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Tankless Water Heater 3 Things to Know

4100 ratings | 796646 views
"Risinger Goes Rogue" on tankless water heaters. Here are some tips you need to know about them before you install. Assemble your own kit for flushing out your Tankless with these parts. Pump http://amzn.to/16vJprP Hose Kit http://amzn.to/193Z7YI and any 5 Gallon Bucket http://amzn.to/1gkAGdr https://www.MattRisinger.com https://www.Instagram.com/RisingerBuild/ https://www.Facebook.com/RisingerHomes/
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Text Comments (332)
Budi Setiawan (4 days ago)
*Best attic ventilator on the market.>>>**nub.best/x0rq**      I've put in hundreds over the last 5 years and like them so well I put them on my personal home.*
abiola gbenga (4 days ago)
Colette Spencer (1 month ago)
Another thing is you need good water pressure for them to work right. This was found out living off the grid with solar and a large water tank supplying the water.
vipleather (2 months ago)
Good info. Most people don’t know about the hard water problem. I have a generator for the power problem. Tossed my electric hot heater.
Jeff Hudson (2 months ago)
The one HUGE thing he did not mention, if you are lucky enough to live in an area with great water pressure like I do and you use rain shower heads with the restrictor removed you're going to lose about 50% of your water pressure!!!!! remember that!!!
Chad Simmons (1 month ago)
Shut-up Jeff, just shut-up!
Peter Dornai (2 months ago)
Great video. We're looking to buy a new water heater in the next day or two but we have a community well. Do you have any advice on what I should do or get in this situation?
Abraham Guzman (1 month ago)
Did you buy one?
Jim Perhaps (2 months ago)
Are outdoor units safe in Northeastern Tennessee or does it get too cold there?
Joe Culpepper (3 months ago)
Would you run an electric tankless in your home with 4 kids? I’m also in Texas, but north central.
papa turtle (3 months ago)
Thanks for making a informative video! However, would you please share some experience about electrical tankless water heater? For either small unit (small condo) and For regular house? I heard there gas unit usually works better for large house. What about electrical unit for small house that is less than 800 sq. ft? I see that electrical unit does not need large exhaust pipe, right? How reliable is it comparing to Gas, in terms or reliability and heating process? Thanks
Maribel Pinzón (4 months ago)
Hi. Can you talk about titan scr2 model n120 how is the maintenance I live in Miami.
David Schafer (4 months ago)
Any butane users out there near the equator? Did you change settings from LP? Thanks.
Carleton Wu (4 months ago)
My current water heater is freestanding in the middle of the room. Do I need to create a wall for it to be mounted to?
Eastern (4 months ago)
And If you lose power during a winter storm your outdoor unit and piping will freeze and be destroyed. Put it in the house.
Crusader Pop’n (4 months ago)
Have you done a video on electric tankless? I can’t find it if you do.
Jose Gonzalez (4 months ago)
Electrical failure renders the tankless water heater worthless? What gives? When I was stationed in Europe the tankless water heaters were not only tankless, they were wireless. And, they worked flawless. You mean to tell me European technology is smarter and better than American engeering? Yeah, I believe so. We couldn't make a decent working yo-yo if we tried.
Cynthia Eng (5 months ago)
It's called a generator...looking at them for backup
michael murphy (5 months ago)
Tankless water heater sandwiching cold water in hot water line how can I fix that problem?
T Brown Records (5 months ago)
You made a cool video thanks
Joe Smith (6 months ago)
Tankless boiler and water heaters require way more service and maintenance. There good at the beginning. Cost a lot more money in the long run. I've been a plumber more than 20 yrs. I know...
Chad Douglas (6 months ago)
I'm looking for a recommendation. I have tried Googling and I'm not getting anywhere. I'm hoping you can help. I need a propane on-demand water heater that doesn't regulate temperature by Flo rate. Basically I wanted to regulate the temperature like many of the electric units do. I have an existing unit at the house and we can never get the water temperature correct without it shutting down the heater dude flow rate being too low.
K K (6 months ago)
What are some HUD approved water heaters??? Pls help.
Darnell Allen (7 months ago)
Matt thank you for such a great and informative video. I was just called this morning that the traditional unit which is a GE has a problem and the part cannot be found in Maryland. So I'm considering installing a tankless water heater. It would have to be mounted in the utility closet, but I think the pipes would have to be wrapped well to prevent freezing. Great video!
Arthur Fiorillo (7 months ago)
Also, he did not tell you it takes about 1 minute of running before you get hot water I'm in Mass. and I have a well in the winter about 1.5 m8nutes before any hot water, and it is in the basement. That is another drawback.expecily if you're on town water with sewage.
Nathan Steele (7 months ago)
looking to build out a camper van with a 25 gallon water tank looking to supply hot water to 1 sink.. was wondering what would be better a small tank water heater or a tankless?
fakk u (7 months ago)
one of the advantages of a tankless versus a regular tank gas its that you will save about a 1.30 a year in savings
F Dryer (9 months ago)
Matt, you're wrong about lack of hot water when power is lost. Since tankless are plug in units, simply using a small portable generator of around 1kw or less is enough to power a tankless unit. My Navien NCE 240E condensing combo dhw and boiler uses 200 watts so a small generator is fine for power outages. As long as water pressure is available, I can use a generator when power is lost and all the hot water I need. So you're argument is based on false information.
Ricky Pruitt (9 months ago)
how big of a heater would i need for 2 people?
Nikhil Dhawan (9 months ago)
i'm in san antonio. is there anyone recommended who could install one of these outside?
JohnnyBDyer (9 months ago)
I've had one for 10 years, propane powered, installed in old heater closet, we love it, I'd never go back to an old fashion heater.
Carmen Linley (9 months ago)
Does a tankless hot water heater need a drip pan?
magickiss245 (9 months ago)
Do you prefer tankless over point of use heaters?
Rock Rosendo (9 months ago)
Ya Dont add water to it Lol
Timothy Scott (10 months ago)
I have been using a Titan N-120 equivalent electric model through my softener at my house for 15 years with no problems or maintenance. It is on a 60 amp breaker that never trips. The only down side is the lights flicker when the heater is one. Also, been using a chinese propane powered unit at my cabin for 10 years with no problems or maintenance. Sill using the same D batteries for spark, unbelievable. Each unit cost about $225
Isaac Levine (10 months ago)
gas; doesn't even mention natural gas on-demand heaters
Neil Kan (10 months ago)
I have this RUC98I unit, could you do a video or videos of cleaning the burner and heat exchangers.
HarryHydro (10 months ago)
I bought the cheapest tankless propane water heater I could find. I save about 80 gallons of propane a year, so it paid for itself already. But, it sprung a leak in the copper tubing, but. Think I can fix it. Anyway, three controls, you can set the max water flow so the water doesn’t get cold if you’re taking a shower and someone runs a sink. The flow is slower, though. You can set the propane fire rate, which sets the water temperature. This is a touchy control. You have to turn it down in the summer. And, there is a Winter/Summer switch, that kind of does the same thing. What I don’t like is if I find the water too warm, turning the flow down makes it hotter. Much hotter! Question: Is there any model that ‘feels’ the water temperature and adjusts the fire rate to compensate? 2 gpm is fine. The one I gave takes 2 D batteries for the ignition. I haven’t had to change them in the three years I’ve had this one. Marey, I think.
Jack Bizaillion (11 months ago)
This is not a do it your self job. Pay the plumber to install.
Dread Xican (1 year ago)
Simon Andrews (5 months ago)
+Matt Risinger Maybe he's taking about showers (in French)? It is a tank less water heating system after all. ;)
Matt Risinger (1 year ago)
Really? I don’t think I fit in that category. What’s your reasoning for the the DB label?
JJ G (1 year ago)
Had mine since 2004. I have hard water and had it flushed once in 2018. The serviceman said it was remarkably clean. I would buy another one in a a heartbeat
Brimar7 (1 year ago)
Sounds like adding a backup generator and a water softener is the way to go.
Antonio Barichee (1 year ago)
We spend whole night fix it
Boone Docker (1 year ago)
I'm not sure why inferior products like tankless water heaters get so much traction, but having a Rinnai like the one pictured here, I can tell you mine has been nothing but trouble, maintenance, and frustration. Give me an old tank based system that sits in the corner and runs for 10 years any day.
Monique Lynwone (1 year ago)
You are the best thanks for the info
Dante Perez (1 year ago)
So you have two tankless water heaters or you have two houses?
John Doe (1 year ago)
Only advice you need, make sure it's not manufactured in Great Britain.
Brian Duval (1 year ago)
Unless you are able to locate your tank less water heater close, with today's low flow faucets, it takes far too long to get hot water! With 5 gpm .8 gpm faucets, you may have 2+ minutes of waiting. And if you turn the water off & need hot water again - even a few minutes later - you have to start all over again. Without that 40 gallon "heat sink" at the other end, the water cools off in the pipes almost immediately! Never EVER let your dopey @$$ plumber mount a tank less far away! Even one room away is too far. If this is your only option, stick with a tank heater.
Di Farr (1 year ago)
Great info..... thank you! Can I use an outside unit in my attic space? I also live in Deep South.... idea is to install heater as close as possible to point of use.
Deimos Phob (1 year ago)
In Arizona, you'd probably be more concerned about melting your hand off trying to install the thing than freezing your water. Even in the dead of winter, you still might burn a few fingers.
Julia Graff (1 year ago)
How did you outside unit do with all the recent cold weather? We are i South Louisiana and the house pipes froze.
Arthur Ricca (1 year ago)
no comment
Steven D'Ambra (1 year ago)
video summary: clean your tankless every few years, no hot water reserve, and mount the unit inside.
T H (1 year ago)
I'd like to hear the comparison of gas to electric supply of the tankless. We've had an electric tankless for years (2 full bath, w/d) and no problems, also no maintenance. It comes with additional thermostats so if you don't want the water as hot in the kids bathroom it is doable. The unit is in Hong Kong and tankless is the standard. We love it but can't find anything comparable in the US. Prior to that we'd also had the type that is in each room, still worked great. Do you know if I can bring one from HK to the US for installation? The plug would be different but being able to have one similar would be awesome.
Frank From Upstate NY (1 year ago)
Hi Matt,...being that most municipalities commonly have water troubles with water breaks and contamination...shouldn't everyone just have a water cleaning system at one's home inlet?
Santos Marquez (1 year ago)
Wow, this helps. But it still wouldn’t deter me from purchase.
Tim Shepard (1 year ago)
If power went out, then it probably wouldn't work anyway since the pump to push the water would be down. Unless you have a generator.
Matt Albrecht (1 year ago)
Matt. nice video! but i want your advice on something: i also live in Texas and currently have an electric 'tank model' in the ATTIC (yeah, crazy. one time allowed by code!). Well it is 20 years old and i want to replace it with a tankless and hang it in the garage. my neighborhood is ALL ELECTRIC. i think maybe the elementary school across the street has natural gas, but there is not a gas manifold to be found in the residential areas, so that means i must go propane, or electric. propane is not really an option (at least, not a very good one) because of where the tank must be located (texas land board i guess says where you can put them), and that would require running a gas lane across the house (tank on the north side) to the water heater (and the garage is on the south side). venting would also be a hassle. this being said, my questions: (1) what is your opinion on electric? what size should i look at for to serve a 5 BR house. 4 of us living here, i can realistically see 2 people taking a shower at the same time, maybe the washing machine running at the same time (perhaps the DW, but neither are drawing water at all times). any particular brand you would recommend over another? I already know i have to upgrade the electric because they did not count on anyone 'adding on' something like this 20 years ago, and the garage panel is FULL, and the amps coming into the house is only 150 judging by the wire size, but i can get that bumped to 200 amps (i am 35 feet at the most from the transformer - underground service), and then run a sub panel branch of 200 amps to the garage and install a new panel. no problems there. (2) like many of the other people commenting, it takes FOREVER (and i am talking about 2 minutes) for hot water to arrive at the furthest fixture. when installing a drinking water line (i have soft water in the whole house, except for a drinking tap at the kitchen sink and the fridge for the ice maker, which are both charcoal filtered and whole house filtered) i also ran a return water line (3/4" PEX tubing, insulation shield on outside), in anticipation of using a circulating pump in conjunction with motion sensors someday. Is there a pump you would recommend using for this purpose (size wise, GPM)? where would you put the pump? on the return side (where the recycled 'cold' water returns from the furthest fixture) and then back into the 'input' side of the tankless (with the appropriate 'T' and back-flow check-valve)? Or on the load side where the water comes out of the tankless, then thru the pump, to the fixtures, and return line hooks straight to the input for the tankless (with the valves arranged as above)? would you use a shut-off sensor on the pipe so when the water reaches a certain temperature in the lines (like the sensor AT the furthest fixture, or in the garage on the return line) it shuts off the pump (so 'hot water' doesn't go back into the tankless, and the tankless shut off because 'it is already hot')? what is the best way to use a circulation pump with a tankless? (3) is an expansion tak needed with a tankless? i have seen various answers to that question, and local code only references TANK models of water heaters. thanks!
Ryan Bierwirth (1 year ago)
I have my tankless set on the highest setting for hot water, but by the time the water reaches my shower the water is luke warm. Never gets super hot. Is there anyway to fix that?
Rob L. (1 year ago)
For the power issue, what about a UPS backup system?
utube4greenfuture (1 year ago)
What about "Cold Water Sandwiching" or how you can't run water at half throttle at your tap due to the minimum flow rate required by tankless systems to keep the burners on?
DumbSkippy (1 year ago)
Bullshit ! 1. I have no maintenance, never ever flush and we have super hard water. 18 years old. 2. My Bosch Hydro uses an inbuilt dynamo that generates it's own spark. Mine is external and I live in Perth Australia when the climate is like san Diego.
Patrick Malloy (1 year ago)
I have a tankless and I hate it constantly shutting down and has to be reset I flush it out and still have problems the thing is a piece of junk I have had problems with it from the first month of having it and it never ends.
Patrick Malloy (1 year ago)
Greenid Guy it's a navien
Patrick Malloy (1 year ago)
Greenid Guy no it came with the new home a DR Horton build
Robert Slackware (1 year ago)
so how do you get the manufacturer to except you don't have hard water as reason you didn't have it cleaned every year for the warranty?
Court (1 year ago)
Risk of cold air entering the flue and freezing the heat exchanger ruining it. Having to install an enormous capacity unit to cover more than one use at a time. Fouling of the heat exchanger due to hard water. Low numbers of cycle life. Larger gas lines. Minimum flow requirements. Higher cost. More complex system a with greater failure probability. All for a marginal decrease in energy use. They don't make sense for anything but occasional use.
Easyshopy Tech Talks (1 year ago)
Hey MattThanks for you awesome video and I tatally agree with you review on water heaters, Howerver, AO Smith HSE-SDS Water Heater is the best one I could find. This has all the feature everyone need. I love this water heater and would highly recommend it to everone. get the deals if you like here https://goo.gl/9868mA or https://goo.gl/mLsP2E. Thanks again for this awesome video.
Daniel Alamo (1 year ago)
We have one and really hard water. I have to flush ours about three times, or more per year. Also, the worst part, those minerals that make the water hard get turned into solids and plug up the water lines.
Daniel Alamo (1 year ago)
antv38 we had one. It didn't make a difference. We tried a different water softener company. They said they couldn't do any better than what we had. Softener hasn't worked for about 3 years. We have culligan water softener and rinnai on demand water heater. The rinnai has lasted 12 years with a 10 year warranty so it's about done. Also quite expensive and not worth plugged water lines. I have to listen to my wife complain and I have to waste a day off taking stuff apart and dig out hard water deposits. I think we'll go back to electric. We have solar now. Regardless gas/electric, with a tank, the solids settle there and don't clog any lines or valves. You have full pressure. No dribbles. No turning on two faucets just to have enough draw just to get the water heater to start.
antv38 (1 year ago)
Daniel Alamo water softener my friend. Great investment for your tank
moo cow (1 year ago)
Thaylor Harmor (1 year ago)
Good video, thanks!
clkoontz3 (1 year ago)
Any worth while electric tankless yet?
rose sullivan (1 year ago)
I am looking for an electric tankless too
Tom Culp (1 year ago)
You said you would not have hot water if electric was out. Well neither would you have any water pressure either.
Phoenix Franks (1 year ago)
Failed to mention that on electric tankless heaters, the gauge wire you need to run from the breaker box to the unit will typically be pretty expensive. So if the heater is far from the breaker box, it'll cost a decent amount for the wire. Heater tanks use a smaller amperage and smaller gauge wire.
Tom W (1 year ago)
They are terrible. Don't buy one. They do not work at all. Unless you are a plumber and feel like fighting with it all of the time.
Pope Thomas (1 year ago)
Tom W 20th9
bodyworks20102014 (1 year ago)
Most tankless can it output 2 to 3 gpm of heater water, this means that, at best, tankless can barely supply one shower at a given time, and only if the showerhead is restricted to 2 gpm...
ken hershberger (1 year ago)
Most tankless now will run 9 GPM
Sarabjit Riar (1 year ago)
They suck....do not get these. Constant problems. The savings Won’t be worth the headaches and the savings are not much compared to other direct vent units. With boilers, get something that won’t require constant upkeep. It’s not cheap having these guys come home to fix stupid error codes.
jeremy beverly (1 year ago)
Never buy a tankless water heater.
Poonam J (11 months ago)
Cause Jeremy can't afford it. He is happy with his 20 years old hot water tanks.
Retired Top43 (1 year ago)
I got a rinnia natural gas...works great instant hot.. just like waiting for the pipes like a tank water heater..saves me money ..my gas is about 25 a month average . Going on 5 yrs .idk about electric ones
Ricky Wright (3 months ago)
Hello Yall, I have been reading all these opinions and ideas about tankless, I was wondering,if anyone has or knows about changing an orifice on a propane Rinnai R94LS,was used at a restaurant in Salado ,well my tank gas just started leaking,??
michael haiden (1 year ago)
What about the total electric models I want to get away from propane due to the high cost
John Halchishick (1 year ago)
we have a tankless I don't like it .Had to be rebuilt around a grand.Also we get different amounts of hot water at different spots in the house.
Just worthy (1 year ago)
Omg you better have water as clean as the water in heaven or these units plug up fast!
Señor Gar (1 year ago)
I'm on a well with a storage tank and bladder for pressure which causes pressure to vary between pump cycles. This in turn causes annoying temperature changes with tankless in the shower due to varying flow/time in the heat exchanger. Switched to a standard (tanked) water heater to solve the problem. Also hot water arrives faster now since my tankless was a combi (hydronic floor heating) and had to fire the boiler to feed hot 'floor' water to the heat exchanger.
Señor Gar (1 year ago)
The well is not the issue. It is the storage tank bladder that delivers a declining pressure between pump restarts where the pressure increases again. Pressure affect flow and time exposure to the heat exchanger and therefore temperature. I asked the plumber for a temp controlled shower valve but insisted a pressure control shower valve to avoid searing toilet flushes (or other ex shower concurrent water use) was the best option. I disagree and and a conventional hot water storage/heater was an economic decision over rebuilding the shower stall and wall to upgrade the shower mixing valve. A quick shower and rinse was never a problem but the long hot soaking sore muscle showers were. Possibly the dedicated DHW tankless heaters offer better control but my comments are based on my experience with a combi unit primarily used for hydronic floor heating and DHW (Viessmann Vitodens 2000 circa 2002).
I too am on a well..i commented earlier. Mine is a rannai I have had absolutely no problem..was a little pricey..3000 professionally installed..lifetime warrenty.
michael haiden (1 year ago)
Señor Gar I also have a bladder tank the small one I got 2 big tanks and married them up walla
G Daddy (1 year ago)
We have a Rinnai tankless water heater and a Halo 5 water conditioner with the ION Stick. 1 filter before water goes into the Halo. Then there is a Nuvo h2o water filter, then there's a larger pre-filter before water enters our Rinnai tankless water heater. We can run 3 showers with hot water at the same time with no loss of pressure!! We also installed a Insinkerator instant hot water with motion sensors in each bathroom. It use to take 3 minutes for hot water to reach upstairs??!! Now it takes 25 seconds to the master bathroom! Then we added a Pelican 6 stage reverse osmosis system hooked up to my ice maker and drinking water. Yes it was expensive, but we wanted our stuff to work and last. Without any problems.
1keykneedeep (1 year ago)
What about high AMP draws during usage? Most customers complain they dont save anything over typical tank heaters.
Ny Chan (1 year ago)
My electric does me fine .one bill .
josh stoops (1 year ago)
You just perpetuated a myth insulation doors create heat you have to have a heat source for insulation to work
Veronica Deras-Roiz (1 year ago)
What is the best brand that does not require gas
Tro Rt (1 year ago)
I’ve had mine for 9 years now with zero trouble. This video missed a few other important factors. 1. Requires a larger diameter gas line than a tank heater. Depending on how the existing pipes are plumbed, this could be a real PITA. 2. Plumbing routes must be changed to get cold water feed and hot water out. Could be a real PITA if pipes are not accessible with cutting wallboard. 3. May need to add an electrical circuit to the new location of water heater. 4. Size of heater. Get bigger that you think you need. While hot water is endless, water pressure is not. I’m considering modifications to create discrete upper and lower floors hot water with a second unit.
Greg Woodruff (1 year ago)
Is it possible to hook up a 50 gallon storage tank to hold the hot water and the tankless heater heats the water in the tank?
Rocko99 Rocko99 (1 year ago)
Yes you could
Stephen Larsen (1 year ago)
That would be a large expense to essentially make a standard water heater.
Cali Valley (1 year ago)
I currently have tanked gas water heater that is installed in the garage. Also I have a whole house water filtration system installed prior to entering the house. I want to go from gas to electric tankless to benefit from a solar power system. Would this be cost effective? I'm in the central valley of California.
Stephen Larsen (1 year ago)
Probably not. The most cost effective hot water are solar water panels on the roof. Semi-hot water would be free in daylight hours. Talk to a solar installer about what your current solar system can keep up with.
Lurkn (1 year ago)
Plz sub to me
Keith Tomczyk (1 year ago)
You also must know that they are not that efficient if you have very cold ground water. Tankless water heaters sold in Michigan have to state this.
#BreakingBad #E209
hellcat1988 (1 year ago)
Another thing they don't tell you is the average tankless can only raise your water by 30 degrees f or less depending on your climate, fuel type, and incoming water temperature. That's fine for most people, but not if you want water over 100 degrees.
twennywonn (3 months ago)
My inlet temp is 43 degree and my Navien 240A has no problems outputting the 125 degrees its set for.
S. Tapia (1 year ago)
My Tagaki I believe that's what it's called goes to around 160 degrees. I can change the temperature from inside the house.
hellcat1988 (1 year ago)
Greenid Guy :. I will admit that gas fire tankless heaters are better, but the electric ones suck.
Max MAX (1 year ago)
I have had a tankless for 5 years and will never go back to a tank
pro insanemonstababy (8 months ago)
How would a tankless water heater be installed in a cape cod style home where the current heating system vents thru the center chimney? If someone has a video that would be awesome.
INKMAN ONE (1 year ago)
I've had mine for 9 years and LOVE it...cut my gas bill by more than half and never ran out of hot water.
John Bennett (1 year ago)
Max MAX what brand of tankless do you have thx
eric heine (1 year ago)
I've been a plumber since 1978. I will sell and install tankless water heaters. I will even show up and descale them. You can use white vinegar or 2/3 water and 1/3 CLR. I just wouldn't put one in my house
MsWhocares14 (7 months ago)
Would it be possible to hook a water tank up to a tankless heater... Like say I used gravity to get the water flowing? If no, any suggestions on how to get water flowing to the tankless heater system?
eric heine (1 year ago)
Samoh Kul stick with the standard water heater, get an ion rod zinc, put in an in-line particulate matter filter ahead of the water heater, Change the drain on your water heater to a good quality brass hose bib, so you can flush your tank without screwing around with that crappy piece of plastic drain valve. People read about the failure rates of tank water heaters. But when you think about how many of them are still in service in America, that's a lot of water heaters and they work pretty good for a long time. Computer free analog technology, that's what I love about the toilet. Pretty clever huh.
eric heine (1 year ago)
Greenid Guy , If you had a tank you could use an ion rod. They make ion filters as well. Reverse osmosis setups, there's a solution, you just have to throw money at it. Sometimes I even recommend Culligan.
not disclosed (1 year ago)
#17: No emergency water supply because it doesn't store enough water.
Matt Risinger (1 year ago)
+not disclosed excellent point!
All RC Aircraft (1 year ago)
Great video. One question, if putting in the basement by your HVAC unit, can you exhaust the unit through a ‘T’ into the existing flue on the furnace? Or do I have to exhaust through a separate vent? Thanks.
antv38 (1 year ago)
John Dueck no way to share venting.
Mark Cain (1 year ago)
John Dueck It is not code to share the furnace PVC vent line with any other appliances. Mark at United Home Inspection.
John Wedzicha (1 year ago)
Your idea won't work since most high-end heaters have concentric piping, which act as an intake and exhaust. Where as you can pick up units on eBay at 1/5 the cost of the Italian Stallions that have been serving me well for many years outdoors in the Pacific Northwest that give you the exhaust option.They use PVC piping on most units. So your exhaust temperature is not a worry. At freezing or below have a dripping faucet.
Anybody But me (1 year ago)
why is the t&p on the gas inlet on plus you can put a battery backup like for a pc if the power goes out
Pat Matt (1 year ago)
I like mine except the cold water "sandwitch" . More wasted water. Im thinking about a solar water pre -heat, not sure it even exists.
Stephen Larsen (1 year ago)
Anything is possible with a good contractor/plumber and enough money!
Jameson Cross (1 year ago)
Matt, you're awesome.
Matt Risinger (1 year ago)
+Jameson Cross thanks! Best comment today!
michele vitarelli (1 year ago)
We had a Bosch tankless and went back to a conventional tank. Tank is cheaper and no maintenance.
bactol edgardo (1 month ago)
+Jeff Hudson lol. My Takagi lasted me for 17 years.
3Xcollasso (2 months ago)
Whats false ? Are you saying that with proper maintenance and flushing of a tank less water heater that they cannot last even longer then a traditional water heater ? Thanks
Jeff Hudson (2 months ago)
+3Xcollasso absolutely false. The best tankless have an average of 6-8 year life span.
3Xcollasso (1 year ago)
Didn't know that. Also, thanks for the tip, and the information. I bought a sump pump, and vinegar, for next time.
Robert Slackware (1 year ago)
yes, same with water filters, and water softeners. read that 4 point font gibberish closely...... Not just a plumber, usually says licensed certified plumber as well. Remember, their job is to NOT have to pay. Now since plumbers charge by the hour. You could flush it yourself the night before so it only takes him 10 minutes to flush when he gets there.
Miguel Castaneda (1 year ago)
k you do not use flex line another the vent is not the same as a standard water heater..on this sysyem its a combo it actually is a exhaust and intake...a stamdard heater will last decades ...if you flush out yearly and replace anode...and back to tankless other countries have a battery powered unit ..a household of two battery will last 2 years.one of 5 will need to replace yearly...these are being used in mexico run around 500 US dollars little pricy but is coming down as users go up

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