How To Replace A Water Heater With A Tankless Water Heater(STEP BY STEP)
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- Опубліковано 7 тра 2022
- I recently replaced my old water heater with a tankless water heater (11 kW)to save me a lot of space and money. See all the electrical and plumbing steps that I had to go through in this highly comprehensive step by step DIY tankless water heater installation video. DIY home repair and installation. This information in this video can save you THOUSANDS! Enjoy the video.
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DISCLAIMER: Working with AC mains power has the potential to cause serious injuries or death. To be safe, wear thick soled shoes, as well as insulated gloves. Do as shown in this video at your own risk. Know your limits, safety first! Always check with local building codes before installing a new tankless heater.
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It's a tankless job but someone's got to do it!
Thanks for watching Andy!
🤦♂️
That's so punny 😅
Tanks for that haha
After doing this you’ll need to go and get tanked 😂
Why can’t all diy videos be like this no ads no over talking straight to the point like sub and shared with my dad
Wow. That's crazy how simple the heater is! Thank you for this. The local stores where I'm at try to make installation seem difficult. For a while, it was not even LEGAL in my state for a homeowner to do their own installation.
Thank you for another very informative video!!
You're welcome! Looking forward to your latest video!
@@electronicsNmore Thanks for not using 6-2 NM-B AKA "Romex" because it's only rated for 55 Amps but a lot of people don't realize that.
@@illestofdemall13 Yep, 60C rating.
This video was extremely helpful!
I don't think I'm going to do this myself, and watching this video helped confirm that in my case it'll be a lot easier and time effective if I hire someone to do it for me
finally someone actually tells you what size of breaker you need.. great explanation...
Nicely done. I can always count on learning something new when watching your videos.
Glad to hear it!
Outstanding video buddy!! I liked at 8:49 before it was even finished. By far the best video I've seen on a tankless system install. No BS, no pumping product just straight to the job and every step (more than most people will have to deal with) is explained and shown. Best video I've seen on these installs! Will be checking out your channel for sure!! Thank you!
Glad you liked the video! Thanks for watching
Awesome video, I did this back in 2020 after my 30+ year old gas water heater failed, dumping all over my laundry room floor, and we replaced it with a Rinnai tankless gas water heater installed on the outside of my house due to S. Carolina building codes, and the igniter, and electronics run off 120 volt, with the cord simply running through the wall inside the house into the laundry room, and sharing the same outlet as my washing machine to make the job easier.
Only downsides I've had with the tankless is it takes a little longer to get hot than a tank heater, and DO NOT take a shower when the washing machine is running, and it wants water at the same time as the water temps will be all over the place. HOT HOT OUCH!!! 🥵
For a gas tankless heater, as far as the electric goes, all you need is a typical outlet(like you mentioned)?
Wow. Super step by step. Nice work. Beautiful. Thank you
Very clean job and solder joints look very good! However, instead of an FIP, you should have put unions for easy disconnect in the future when you swap out units or so you can flush the tankless. Or, you could have put shut-off valves and two tees between the valves and the heater for the flushing purpose.
Since this video was made I added unions. Thanks for watching
thank you, what a blessing it is for you to show people this installation. God bless you Brother
You are very welcome Emilio! Be sure to look over my extensive video playlists below for many other videos of interest to you, and most importantly take one minute to share a link to my channel with others. Thank you
ua-cam.com/users/electronicsnmoreplaylists
Your video was very interesting just watching it, that halfway through the video I honestly didn’t remember what I was watching, as if I was hypnotized due to the well explain video. New sub!
Bravissimo 👏
Great job man explaining how to do it
Nice and clean solder joints
Thanks a lot this video helped me a lot and you made everything simple and easy
One of your best videos yet!
I would like a performance review of the water heater in a few months(years) time.
I love it so far. :-)
Understandable that you dont make much videos, but appreciate it.
I've been spending a lot of time renovating my house. When it's done in a month or two I'll be uploading weekly again. For the lack of exposure that UA-cam gives me after all the work making the video , it wasn't even worth my time making it. Thanks for watching
Great work! Awesome review! Thanks for sharing! Have a happy week!👍
Thank you! You too!
very good work,pro done
You the man, 10/10 vid
Just a tip, you can always pre-solder the joints at the female adaptors before attaching them to the heater so it doesn’t burn the system
Nicely done!
Thank you Rich!
I like to use a slightly lesser kick in the EMT, so that there's a tiny airspace between the tubing and the wall. I feel that helps prevent the tubing from corroding, since concrete does pass/hold moisture.... Naturally, there will need to be small shims under the straps to maintain tightness with the EMT (and use more straps, and space them a little bit closer together).
very nice explanation, thank you
Glad you enjoyed the video Gerry! Be sure to look over my extensive video playlists below for many other videos of interest to you, and most importantly take one minute to share a link to my channel with others. Thanks
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Great video. Thank you
Glad you enjoyed the video! Thanks for watching
Great job on those solders. You should be proud of those.
Thank you, and thanks for watching!
Excellent!!!
Many thanks!
nice video, thanks
Glad you liked it!
Buen trabajo!
Glad you liked the video!
Excellent video, as always. The gas water heater in our house here in North Georgia is 20 years old and probably will need replacing soon. A plumber I spoke to told me the cost for a tankless (including installation) would be around $3,000 which seemed kind of pricey to me. DYI installation would obviously bring the cost down, but I’m not sure if I should be messing with gas!
Rip off price. The wiring, unit, and plumbing parts cost me $275. Only one day for the entire job.
You also have to keep in mind what kind of gas you have. Some tanks require natural gas and some require propane. That should all be labeled on the heater unit
Excellent Video. Mahalo from Hawaii.
Glad you enjoyed the video! Also be sure to check out my extensive video playlists for other videos of interest to you, and share my Channel with others. Thank you
Great video. That is a really compact unit. Big improvement. That said, and IMO, the ONLY con to the tankless system is that you no longer have that 40/50 gallons of emergency water at hand. Especially in an urban environment. If it wasn't for todays world political situation it wouldn't matter too much.
Yes that's the only drawback. You don't have any reserve of hot water in the event of a power failure. Thanks for watching!
@@electronicsNmore Or water at all should the utility stop supply.
I probably would have put a safety switch inside since the panel is outside. I'd hate to have to troubleshoot on a 'rainy' stormy day. But nevertheless, great solder joints and video.
I've started Fires trying to Soldering on Brass Fittings @ Copper Fittings.Thanks Electric 🚹
If I wanted to simply hardwire an extension cord into my electric water heater unit. Would I wire green to ground, white to leg one and black to leg two?
what would you do if the water pipes come down from the ceiling? can this get installed upside down?
Would it be safe to install this in my attic? Looking to replace my Rheem 50 gallon electric tank water heater with an electric tankless. It’s been hard to find a tankless equivalent to what I currently have. I’m just concerned if it would be ok to install a tankless (if that’s the route I take) in my attic, due to hot and humid conditions down here in Louisiana. Would love some advice from yourself and possibly anyone in the comment section.
So how many GL should I get if i have a tank that’s 40gl ? 🤔
What type of filter is on that kitchen faucet
Great job and video.
Thank you!
In colder clims they can't keep up with the freezing ground water.
Hi, thanks for the video. Was wondering ... could leave the plug for the tankless or does it need to be a direct electrical connection?
Direct
i may need to switch my gas water heater to tankless... thank you!
That outlet is winking at me😉
At the 12:50 mark, where do you find wire like that? I'm only familiar with wire that is inside the yellow covering.
Home Depot and Lowes type stores sell that kind of wire. You can either buy it on a roll or buy it by-the-foot.
Hey, Wonderful Vid, Great job!!!, my questions are, did you exceed the max capacity of the 3/4 conduit?...max capacity as I understand it is 40% wire with a 60% void for heat or is your area liberal to that requirement? or maybe I got it wrong, and, Why not Pex and avoid the copper?....needless Great Job! very informative!!
I know number 6 wire you needed minimum three-quarter inch conduit. That said, there was still plenty of room for movement inside the conduit for the 120-volt circuit. I'm no fan of PEX. Many years down the road that material can possibly dry out and crack. The copper will last far longer and you also have the benefit of copper as being a antibacterial metal
@@electronicsNmore Thanks...Go for it!! it's been proven that bacteria can grow at 120 degrees
The tankless water heater looks fairly small to me. Does that water heater supply enough hot water for a two bathroom with a washer? How do i figure how what water heater i need for my home?
It's not about the size of the house. Tankless heaters heat the water as it goes through. As in, it isn't heating water unless you have a tap running somewhere requesting hot water. So what you need to determine is how many faucets and/or appliances will be using hot water at one time, then you can decide how many gallons of hot water you'd need per minute, which is how the tankless sizes are set. So if you run your dishwasher and two showers at the same time, you'll need a pretty powerful tankless unit, like 9+ gallons per minute. but if you are only running hot water in one place at a time, a much lower powered one might suffice, like 3-6 gallons per minute.
Do these units need to be descaled every so often? How would you go about doing that with this type of installation? I don't believe any service ports were attached?
Since the video was made, I added one more union to allow for easy removal
I noticed there was no expansion tank. Are they unnecessary for just this brand or is it because it's not a combination boiler/water heater?
No need for expansion tank on an instant as water is only heated when it is flowing. So no closed system to pressure up.
Is that small unit enough for a whole house, or just for a sink?
It does the whole house. Ideal for South Florida for up to 2 baths.
By "Double pole 60 amp" - Do you mean (2) 30 amp breakers? Currently my tank heater is on double poles - a 20 and a 50. Thanks
(2) 60A, not (2) 30A. Your heater should not have a 20 & 50 tied together.
All I can say is that it’s a tankless water heater. Someone must step up and get it done
No need for a pressure relief valve by code?
Grey pvc conduit ftw
No flush valves?
I saw a youtuber make a custom water tank that acted as a (500 gallons) heat battery. Its far more efficient to have a tank of heated water then a tankless water heater. And the bigger the tank the better the savings. You have to put so much energy into water to heat it. To take 3 gallons to boiling it takes me around 30 minutes on electric stove. But if i started with hot water the time is half. Water will obviously get hot faster if its mixed with hot water first. I could make a tankless water heater work. Id get a pressure tank and set it in front of the tankless water heater then let that get to room temp in the house. That way at least the water is above 60f when it goes in. I could also just paint it black and place it under a skylight. But like i said just upsizing your water heater will save you money. The only reason to go tankless is you would rather have infinite hot water. Like oh ill just run this for an hour. If you really want to save money lol get a wood stove and a copper coil 😂😂😂
I don't think you're going to get much cheaper than a 15-minute hot shower for $0.12.
What made you go with that particular model?
Size, power rating, and cost
@@electronicsNmore How many rooms will it support?
I really want to install a tankless, but the electrical portion of it is the biggest hurdle. Currently, the electric heater has a 30 AMP breaker, and I'm going to need two 40 AMP breakers. The path to the heater isn't nearly as direct as this and I have no idea if the wiring is being ran through conduit behind the drywall. If the electrical could be sorted, the rest would be a no-brainer.
You also need to make sure that your home can handle adding a double pole 60A breaker. Use an online electrical service load calculator.
@@electronicsNmore Yes, I didn't think of that. The panel is massive and still has tons of room on it, but yeah, it's never safe to assume.
Every tool has a hammer side.
Can you use pex instead of copper?
Yes, but I'd rather have copper.
Isn't 6 gauge wire max amp is 55amps but there's a rule from the nec that allows for 60amps to be used on 6 gauge wire
6ga can handle 60A. Depends on the insulation used.
Not many people understand the difference between energy and power.
No dielectric unions?
You only use dielectric unions on dissimilar Metals such as galvanized and copper
Cam you connect to water heater with cpvc?
Yes all hot water lines use CPVC if you don't have copper
Great video, Wear shoes the next time for safety reasons.
I was quoted $4000 for a swap lol can you believe that!
They're all a bunch of criminals.
I agree... I was just quoted $3115 for a new water heater install... since my son is working out of state, his friend is coming and putting in a tankless for me...BTW the guy tried to tell me that was a cheap quote 😂
Where's the valves for BOTH sides, not just hot side. ALSO, where's the pressure release?
According to the manufacturer, I called them and they said for my particular tankless heater a temperature and pressure relief valve is not required because the unit has more than one safety feature installed, but I did decide to add one later. I was also told the power cable that was included could be used as is, but I also added an armored jacket over it later. As for the valve, one is sufficient on the cold side. I normally turn off the power to the heater before turning the valve off
Revonext 215
What size tankless did you use? I replacing a 30 gallon tank.
This
I watched this entire video so i know what wires hook where and it didn't even show that part.
Black to black, Red to red, White to white, green to Green
I will never, for the life of me, understand how people have their fuse box outside their house.. It just doesn't make any sense at all. I have lived in 5 of the 10 provinces in Canada and never once seen that here. It's extremely insecure and seems dangerous. I mean, any moron can just walk up and turn off your power any time they want. It's just plain stupid.
Good luck doing that with a fenced in yard and security cameras. You can also lock the panel if desired.
In the place of some country where I live (prefer not saying it), electricity around here can be billed monthly or by topping up the balance of kWh just like internet data plan on phones.
For the monthly part, usually some technician come to check something in the fuse box every month, hence the placing of the fuse box. I don't know what it is. All I know is just they want to see some series of number that's changed everytime by themselves.
I don't bother to ask what's the purpose or what's the thing in the device they're checking on. Probably next time.
Different places have different building codes that change over time. I live in S. Carolina, and close to 15 years ago I inherited my grandparents house built in the mid 50's, and we had to redo the entire electrical system as it had various issues from age, and the norm back then was 2 prong outlets except 220v appliances, and even copper wiring was not needed for a house to be passed by building code laws, as they could have used junk aluminum wiring, but thankfully the builder for my house used copper, and smoke alarms were none existent, but I had to have them hardwired throughout my house to pass inspection.
Also when I replaced the old gas water heater in my house with a gas tankless code was updated to state they could no longer be inside the house, so the plumber I hired to do mine along with some other plumbing work that was long overdue for my old house, had to put the water heater on the outside of my house, and ran a 120 volt cord through the laundry room wall into the same outlet my washing machine shares, yet the electric ignitor for my old gas tank heater was hardwired directly to the breaker box.
@@electronicsNmore We don't tend to have fences and security cameras in Canada.
@@CommodoreFan64 First thing I have to say is Commodore made awesome computers. :D I had an Amiga in the 80's. Second, codes do change, that's for sure. My friend bought a house a couple years ago that still had an actual fuse box and aluminum wiring. Cost him quite a bit to change it to breakers and copper. Being in Canada though, there is not way in hell we could have a water heater outside. lol
The house I live in now was built in 1950. All copper in the house now, but the two outlets in the spare room still have only two prong outlets. hehe
I still don't think it's a good idea to have your panel outside your house though.
I can tell that you are electrician not plumber 😉
I can tell you're another moron commenting. :-)
Efficient use of space, out performs expectations !
My unit works great. The only issue I noticed is that you don't get hot water at the faucet if you only have a very small stream of water. No big deal to me, I turn it up a little higher flow.
you should 1000% be turning off the WHOLE HOUSE POWER at the top of the breaker box. By leaving the main breaker on, the bus that you're working on is still powered up. This can be done without zapping yourself, but you REALLY shouldn't be taking risks with 100+amps, which can absolutely kill you.
Everything else is okay, but that's just ignorant and stupid and could lead to an unwitting viewer getting killed.
Flip Flops, really?
Yes, really. I've climbed mountains in flip-flops. LOL
Oh, you're a Florida Man. That explains a lot. @@electronicsNmore
You need to work on your electrical skills man, as an electrician some of the things you did made me seriously cringe. Great video otherwise!
Instead of mouthing off, humor me, tell me what I did wrong. I'm used to pedants commenting.
@@electronicsNmore can you tell me what the difference is in monthly operating costs between your gas and electric hot water heaters?
gezus that thing is tiny! pex when done right works awsome.
My concern about PEX is that it won't hold up as long as copper. It may become brittle and crack. Thanks for watching!