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Tankless Water Heater


               
2022 Apr 11, 1:30pm   6,248 views  57 comments

by EBGuy   follow (0)  

Getting a natural gas fired (while it is still legal in California) tankless water heater installed in a couple of days. Tell me why I'm making a big mistake.

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1   Ceffer   @   2022 Apr 11, 1:43pm  

Because it's a tankless endeavor.
2   clambo   @   2022 Apr 11, 2:24pm  

They're good.
3   FortWayneAsNancyPelosiHaircut   @   2022 Apr 11, 3:17pm  

I've installed a tankless one (gas). Been 2 years now, so far so good. But it's only been two years so I don't know what kind of issues I can have with it. Last month our gas bill was $14. Of course faggot Biden is trying to fix that by increasing natural gas prices with this war shit.

The thing about tank heaters that I did like is that they are simple as shit, it's easy to fix them. I'm not a plumber, but I can fix just about anything with them, too easy to troubleshoot. But tankless once, I have no idea where to even start. That's my only worry. Otherwise I like it, less space, works well for the whole house.
4   Eric_Holder   @   2022 Apr 11, 3:43pm  

FortWayneAsNancyPelosiHaircut says
Last month our gas bill was $14. Of course faggot Biden is trying to fix that by increasing natural gas prices with this war shit.


So even if natgas prices double you'll be looking at what, $28 per month bill? And you whine all over Patnet over THAT? Cheeses Crust! Reading you it feels like you're bleeding THOUSANDS per day... And I thought I was cheap, LOL.
5   EBGuy   @   2022 Apr 11, 4:11pm  

FortWayneAsNancyPelosiHaircut says
I've installed a tankless one (gas). Been 2 years now, so far so good.

I'm curious if you know the size of your unit (was it around 8+gpm, or did you go for the largest unit available at 199k BTUs)?
6   Patrick   @   2022 Apr 11, 4:14pm  

I was an exchange student in Germany and tankless heaters were the norm there.

The Germans are definitely into efficiency, and I also liked that you don't waste water waiting for it to get hot.
7   Hircus   @   2022 Apr 11, 4:54pm  

An interesting spin on a "tankless water heater" - if you goto a poor neighborhood in the tropics, you'll see many do without a water heater. Instead, they use a 110v plug in water heater that just screws in behind your showerhead. The water goes in and gets heated as it passes through internal heating coils. Granted, they dont work too well, as 110v * 15A just cant put out enough energy to raise the water temp too much. They usually get used in combo with a water saver shower head; not to save water, but by restricting the water flow rate, the water temp can be raised a few more degrees.

It's a little unsettling though to have a power cord going into your shower, especially knowing that its basically a hairdryer with water going through it. But theyre dirt cheap, and work well enough. A big part of this though is that the tropics have fairly warm tap water, so the heater doesnt need to elevate the temp too much.
8   SunnyvaleCA   @   2022 Apr 11, 7:59pm  

I looked into it a decade ago. I was warned that if I were getting permits then the gas line all the way back to the meter would have to be leak tested, which would probably fail (given that it's iron and 50+ years old). In my case that would entail a tricky re-routing since the original pipe went under the concrete garage floor (before it was poured). I also didn't want to convert to gas cooktop, since I love induction for that application. Even here in crazy California, my monthly gas bill is as low as $10 in the summer, so that pilot light isn't costing me all that much.
9   EBGuy   @   2022 Apr 11, 8:08pm  

Eric Holder says
Reading you it feels like you're bleeding THOUSANDS per day... And I thought I was cheap, LOL.

Pity us poor Californians. Our biggest monthly expense is the water bill....
10   rocketjoe79   @   2022 Apr 11, 9:04pm  

Ok - hijacking the thread somewhat: Has anyone put in a water heater recirculation pump? Did ya save money?
11   EBGuy   @   2022 Apr 12, 2:11pm  

I'm opting for the model without the recirculation pump. Hoping I don't regret it. Will be located below the master bedroom and don't want to hear it going off at all hours. Less parts to break, and then you don't require a thermal expansion tank. That said, our place is two stories and a relatively small footprint (though the kitchen will be the longest reach...) May put a bucket in the shower to catch the initial cold cold run in the pipes and use for flushing.
12   komputodo   @   2022 Apr 12, 2:31pm  

Hircus says
An interesting spin on a "tankless water heater" - if you goto a poor neighborhood in the tropics, you'll see many do without a water heater. Instead, they use a 110v plug in water heater that just screws in behind your showerhead. The water goes in and gets heated as it passes through internal heating coils. Granted, they dont work too well, as 110v * 15A just cant put out enough energy to raise the water temp too much. They usually get used in combo with a water saver shower head; not to save water, but by restricting the water flow rate, the water temp can be raised a few more degrees.

It's a little unsettling though to have a power cord going into your shower, especially knowing that its basically a hairdryer with water going through it. But theyre dirt cheap, and work well enough. A big part of this though is that the tropics have fairly warm tap water, so the heater doesnt need to elevate the temp too much.

I have had one for many years and they work great...Instant hot water...the ones we have heat the water inside the shower head. BTW, the water gets hot as hell if you put it on high.

13   komputodo   @   2022 Apr 12, 2:40pm  

EBGuy says
Getting a natural gas fired (while it is still legal in California) tankless water heater installed in a couple of days. Tell me why I'm making a big mistake.

IMHO, tankless are great for heating water but can be tricky to get the temp correct for showering. It's the opposite of intuitive...the slower the water flows thru it, the hotter it gets but if you turn the flow down too much it shuts off the heat. OTOH, with the old tank style, you balance the temp with hot and cold. Just sayin'.
14   komputodo   @   2022 Apr 12, 2:43pm  

FortWayneAsNancyPelosiHaircut says
But it's only been two years so I don't know what kind of issues I can have with it.

Batteries for the igniter go dead
15   FortWayneAsNancyPelosiHaircut   @   2022 Apr 12, 4:01pm  

Eric Holder says
FortWayneAsNancyPelosiHaircut says
Last month our gas bill was $14. Of course faggot Biden is trying to fix that by increasing natural gas prices with this war shit.


So even if natgas prices double you'll be looking at what, $28 per month bill? And you whine all over Patnet over THAT? Cheeses Crust! Reading you it feels like you're bleeding THOUSANDS per day... And I thought I was cheap, LOL.


it all adds up man. look at it from my perspective. I'm spending $300 more on gas every month now, I drive a lot. Add inflation on every little thing, I'm not rich, it starts adding up. I don't know what natural gas will end up at, double, triple, 10x... I don't know.
16   FortWayneAsNancyPelosiHaircut   @   2022 Apr 12, 4:08pm  

EBGuy says
FortWayneAsNancyPelosiHaircut says
I've installed a tankless one (gas). Been 2 years now, so far so good.

I'm curious if you know the size of your unit (was it around 8+gpm, or did you go for the largest unit available at 199k BTUs)?


10 gpm. overkill for the house, but I wasn't sure on the usage. Plumber convinced me on the Noritz brand, said those are the reliable once. Just had to run a thicker gas pipe to it, so they used the flexible one, they sell those at plumbing stores out here. If you get a smaller one, you might not need the volume.

17   komputodo   @   2022 Apr 12, 7:56pm  

DooDahMan says
Since Natural Gas is/has taken over for a lot of electric generation - you know where those increased costs of generation are going and who is going to pay for them don't you ?

Tesla owners?

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