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SheltieLover

(59,599 posts)
Thu Apr 15, 2021, 01:39 PM Apr 2021

Does anyone have a tankless water heater that you can recommend?

Hi All,

Just as my Biden Bucks (borrowed term) arrived, my water heater decided to start acting up.

I am looking for a tankless, high-efficiency unit, well made, for a resonable price, and offered by a company that will honor a DIY install.

I really like the Navien, made in South Korea, but they will not honor a DIY install.

Hiring a licensed plumber in the not-so-great state of TN pretty much ensures a screwed up install.

Thank you in advance!

24 replies = new reply since forum marked as read
Highlight: NoneDon't highlight anything 5 newestHighlight 5 most recent replies
Does anyone have a tankless water heater that you can recommend? (Original Post) SheltieLover Apr 2021 OP
I have a Rannai. pwb Apr 2021 #1
I second the Rinnai.. For a couple it was perfect. I would suggest you get the pump to mitch96 Apr 2021 #4
Absolutely! SheltieLover Apr 2021 #6
It seems Rinnai is the hands down winner! LOL SheltieLover Apr 2021 #5
I agree, Rannai is great! Delmette2.0 Apr 2021 #2
Seems to the the hands-down fav! SheltieLover Apr 2021 #7
Aqua Star WhiteTara Apr 2021 #3
Thanks for sharing! SheltieLover Apr 2021 #8
you're welcome! WhiteTara Apr 2021 #9
Rheem @ Home Depot and Richmond(made by Rheem) @ Menards seem to be highly rated.. Hassin Bin Sober Apr 2021 #10
I'm looking at a Noritz SheltieLover Apr 2021 #11
Natural gas unit SheltieLover Apr 2021 #12
Do you have to upgrade your meter? Hassin Bin Sober Apr 2021 #13
No need to upgrade meter SheltieLover Apr 2021 #14
I don't stress too much about warranties. Hassin Bin Sober Apr 2021 #15
Well, that's a great point SheltieLover Apr 2021 #16
Do yourself a huge favor jmowreader May 2021 #17
Agreed! SheltieLover May 2021 #18
Just installed a rinnai natheo Jul 2021 #19
Great! SheltieLover Jul 2021 #20
Rheem electric we can do it Jul 2021 #21
Tyvm SheltieLover Jul 2021 #22
I'm a little slow😻 we can do it Jul 2021 #23
Np SheltieLover Jul 2021 #24

pwb

(12,198 posts)
1. I have a Rannai.
Thu Apr 15, 2021, 01:43 PM
Apr 2021

All the hot water I want. My friend put it in four years ago and no problems. Those things are made right so you should have no problem with it.

mitch96

(14,651 posts)
4. I second the Rinnai.. For a couple it was perfect. I would suggest you get the pump to
Thu Apr 15, 2021, 03:32 PM
Apr 2021

clear out the water heater plumbing every year. Keeps things flowing good.
https://www.diychatroom.com/threads/which-pump-for-flushing-tankless.639963/
m

SheltieLover

(59,599 posts)
6. Absolutely!
Thu Apr 15, 2021, 04:36 PM
Apr 2021

Definately will put that in for flushing. We have really great water here, but will still flush it once per year, as recommended.

Thanks for sharing about your unit! Rinnai seems very popular, just a bit too pricey for my budget.

SheltieLover

(59,599 posts)
5. It seems Rinnai is the hands down winner! LOL
Thu Apr 15, 2021, 04:35 PM
Apr 2021

Thank you for sharing.

They are likely a bit too pricey for my budget, but I'll keep looking.

SheltieLover

(59,599 posts)
7. Seems to the the hands-down fav!
Thu Apr 15, 2021, 04:37 PM
Apr 2021

They are just a bit pricey for my budget, but I'll keep looking.

Ridiculous, really, if you consider how much less material there is to a tankless one. But they can charge whatever they want, so they will make them crazy expensive. :-/

Thanks for sharing!

Hassin Bin Sober

(26,691 posts)
10. Rheem @ Home Depot and Richmond(made by Rheem) @ Menards seem to be highly rated..
Fri Apr 16, 2021, 10:59 AM
Apr 2021

Are you doing gas or electric?

I’m about to pull the trigger on a 199,000 btu Rheem from Home Depot

Keep in mind the huge BTU requirements might necessitate a gas meter or electrical panel upgrade. As far as I can tell, my gas company will upgrade at no charge.


Also keep in mind Home Depot will give you the 11% cash back to match Menards if you buy while Menards is running their 11% cash back program. You go on the HD website and fill out a form - which is better than mailing in to Menards.

SheltieLover

(59,599 posts)
11. I'm looking at a Noritz
Fri Apr 16, 2021, 11:15 AM
Apr 2021

Amazon & NYDirect have same unit for $860 / $820, respectively.

These are made in Japan & have 1 yr labor, 5 yr parts & 12 yr heat exchanger warranty.

Perhaps most importantly, Noritz employees answer phone & are very helpful. Seems like a great company!

You might want to try calling Rheem to ensure the level of support you desire is available.

I've had HVAC pros tell me Rheem is awful to deal with. No personal experience with Rheem.

Ty for heads up on 11%! I might check their Noritz pricing, as they are an authorized seller.

Gl with your purchase & install!

SheltieLover

(59,599 posts)
12. Natural gas unit
Fri Apr 16, 2021, 11:18 AM
Apr 2021

Sorry, I missed that question.

Opting for gas due to poor elect quality & wiring from the pole to my home.

Hassin Bin Sober

(26,691 posts)
13. Do you have to upgrade your meter?
Fri Apr 16, 2021, 06:00 PM
Apr 2021

One of the reasons I’m probably going to buy from HD is their liberal no questions asked return policy.

SheltieLover

(59,599 posts)
14. No need to upgrade meter
Fri Apr 16, 2021, 06:35 PM
Apr 2021

Well, that's good, but read before you buy, because some say "professional installation required for warranty," or something like that. I know Navien is that way, sadly. Navien is not responsive either. I emailed them days ago, and still no response. And that email was sent to their claim department, so if I had a Navien unit and needed to make a warranty claim, I'd still be waiting!

Hassin Bin Sober

(26,691 posts)
15. I don't stress too much about warranties.
Sat Apr 17, 2021, 12:50 AM
Apr 2021

The thousands I save doing my own work and making sure it’s done right is worth it to me.

The parts they warranty for long periods don’t wear out. And the other wear parts usually come with a “labor charge” that is more than the part.

I have so many hvac nightmare stories regarding bad “professional” installs. I can’t e the only one...

SheltieLover

(59,599 posts)
16. Well, that's a great point
Sat Apr 17, 2021, 12:56 AM
Apr 2021

The "solutions" so called "professionals" come up with in this red hellhole area would be laughable if they weren't potentially deadly.

jmowreader

(51,438 posts)
17. Do yourself a huge favor
Tue May 18, 2021, 08:00 PM
May 2021

If you don't have gas service, DO NOT get a tankless water heater.

They make electric ones...but they need multiple 50 amp breakers to work. Stiebel Eltron makes them...they give a maximum flow rate in gallons per minute, and it varies by incoming water temperature. Their biggest one will raise 4.5gpm from 50 degrees to 105 degrees, which is basically lukewarm water, and it needs three 50-amp breakers to work. It will raise the temp of the water all the way to 140 degrees if you want, but at a lower flow rate.

Gas ones work fine, and there I agree with everyone else: Rinnai is the way to go.

SheltieLover

(59,599 posts)
18. Agreed!
Wed May 19, 2021, 12:57 AM
May 2021

Just had black pipe installwd for unit.

The pathetic power grid here can barely handle it when someone turns o a window AC. Lights beown out, etc.

I ended up buying a Noritz unit. Should be installed in a couple of days. 😁

Ty!

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