For questions generally relating to the hot-water supply system of a typical residential or commercial building, primarily regarding the heating mechanism itself (a traditional hot water heater tank, tankless heaters including "point-of-use", boilers and heat exchangers, etc).

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2
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0answers
37 views

Possible cross over issue with water lines

About 2 weeks ago our hot water started getting less and less hot, now it is completely cold. If I turn the cold angle stop off at the sink, so only the hot water line can feed the faucet, and turn it ...
0
votes
0answers
19 views

How to shut off both cold water and hot water?

I want to install a new basin tap mixer in my bathroom but I cannot find the valve to off the hot water. I can see the cold water valve is under the sink in the kitchen. Here is the water heater on ...
1
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1answer
38 views

Minerals when draining water heater

Per the instructions with my new water heater, I drain a gallon from the bottom every month. The previous owner of my home never did anything and that water heater started leaking, hence the ...
0
votes
0answers
13 views

Getting at water heater anode AO Smith ECT40-200

I found this spec sheet for my water heater which shows where the anode is. However I'm not so sure which of two ports is the anode. Here's a picture. In the spec sheet diagram it seems the anode ...
22
votes
7answers
6k views

Are water boilers dangerous when showering?

Where I'm from (Serbia) everybody says to turn off the water boiler (the container that heats up water and stores it for use in the bathroom and shower) when you take a shower or use the bathtub. They ...
0
votes
1answer
37 views

How/where to put hydrogen peroxide in water heater

I just moved into a house that has 2 water heaters. The second one was rarely/never used by previous owner and all the hot water that comes from it is smelly. This came up during the inspections but ...
1
vote
1answer
25 views

Water heater drain pan pump capacity needs?

In the event of water heater failure, I'm considering installing a water heater pan with drain pump per this answer. How can I determine the necessary pump rate? According to the Insurance ...
1
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0answers
31 views

Why are water heaters generally installed on a pedestal? [duplicate]

Why are tank-style water heaters generally installed on a 2-3 foot (~0.6-0.7 meter) tall pedestal?
0
votes
1answer
19 views

Water Heater Cold Intake Pipe always drips from drain valve

The cold intake pipe for my water heater has a drain valve with plastic tubing leading to my basement drain. This tubing always has a constant flow of dripping water; basically, my water heater's cold ...
3
votes
2answers
74 views

Can I wire a water heater and tanning bed on the same 220V circuit?

Can I wire a water heater and a tanning bed on the same 220V breaker. I live in Ohio.
0
votes
1answer
19 views

What is causing my gas water heater to make a high pitched noise?

I woke up two mornings ago to water that was colder than usual, so.. I naturally went to check the water heater and the pilot was out, the pilot light has never went out in the 4 years- almost 5 I've ...
3
votes
2answers
160 views

Installed new water heater yesterday, today there is water in the catch pan

Yesterday we installed a new water heater. Pretty straight forward, my father in law has done many of these. I monitored pretty closely for next 12 hours and the catch pan under the water heater ...
1
vote
1answer
55 views

Mystery valve on hot water line from water heater

I have a 1/2" od PVC outside my home with a steady drip of water. It is a few inches above the line that runs to the TPR valve on the water heater (confirmed by opening the valve). It's not the AC ...
0
votes
1answer
19 views

The hot water pressure is low in my shower and tub

What would cause the only the hot water pressure to be low only in the shower. The pressure use to always be strong. It's not the shower head.
1
vote
4answers
70 views

Is a tank-style water heater always under pressure?

Is a tank-style hot water heater always under pressure? In other words, is the entire tank pressurized? Is the pressure largely created by the force of the incoming cold water supply?
3
votes
1answer
67 views

Are water heater warranties really relevant quality of the product?

I have a new water heater with an 8 year warranty and I noticed that the warranty length is included in the model number. On the manufacturer's website I couldn't find any information about ...
1
vote
1answer
54 views

What is the impact of moving a geyser outside?

We have an indoor geyser but are considering moving this outdoor to save space. We live in a Mediterranean climate with a cold winter day being 5°C (41°F) and summer temperatures generally ranging ...
4
votes
4answers
573 views

How to flush all the water lines in your house

I live in a small (1-traffic-light) town in upstate NY. Some local village water officials accidentally cracked a water main (feeding water to the entire area) and so the Department of Health had to ...
2
votes
2answers
55 views

Does the gas water heater in my laundry room require a dedicated vent?

I have been told recently by a potential buyer of my home that due to the gas hot water heater in my utility room, with electric washer and dryer, that I need separate venting to bring it up to code. ...
5
votes
2answers
59 views

Broken Hot Water Circulating Pump - Shouldn't I still have hot water in showers eventually?

I have a Grundfos hot water circulator. After turning off the main to the house and the hot water circulator the other day to change out a valve for our dishwasher, the hot water circulator hasn't ...
1
vote
2answers
98 views

What is coming out of these water pipes?

I have been dealing with some hot water pressure issues. See Should hot water pressure be reduced after hot water is used? Today, hot water pressure reduced so much it was impossible to shower. In ...
1
vote
3answers
101 views

Water gets cold after ten minutes of use!

Water runs cold after about 10 minutes of showering! Also there was black stuff coming out of bath pipe before. Just got a new water heater and it didn't fix the hot water problem :(. What could it ...
1
vote
1answer
80 views

Should hot water pressure be reduced after hot water is used?

I'm noticing reduced hot water pressure (on all faucets/shower) after significant hot water use (2 long showers, 2 loads of HE (High Efficiency) laundry, and using a sink for about 5 minutes). Cold ...
0
votes
3answers
37 views

Do I need to unplug my hot water recirculating pump when I turn off the water to the house?

When I turn off the water to the house (for vacation) and open a faucet to relieve the pressure, I notice that the hot water recirculating pump makes a lot of noise that it doesn't when the water is ...
0
votes
1answer
76 views

Water heater not filled with water before being turned onto hot setting

I had a new water heater installed by a local handy man plumber. My initial concern was tank had 3 dents in it. Was on phone with company (Sears) re: dents, so plumber was delayed some due to phone ...
2
votes
1answer
22 views

Sulfur smell in one hot water heater, but not the other hot water heater

We have two hot water heaters in our house; one is in the attic and one is in our crawl space. We have a sulfur smell coming from the crawl space hot water heater, but the water smells fine coming ...
3
votes
2answers
95 views

Is this flue dangerous?

I had access to a ladder the other day, so naturally I was poking around in the attic of our house where we have lived for about a year. Above the closet where the furnace and water heater are ...
0
votes
0answers
25 views

Why does apartment plumbing make a rattling noise?

I live in an apartment, and recently the electric water heater was dying. There was a small leak and it stopped heating a couple times. It also made a crazy rattling sound like a little snare drum, ...
2
votes
1answer
38 views

Venting by gas meter

We're looking at installing a natural gas tankless water heater, but the vent option with it (that would be easiest to install through our solid poured walls) would come out about a foot away from the ...
2
votes
1answer
65 views

Is it worth it to pay extra for a stainless steel tank water heater?

I'm getting ready to replace my ancient water heater and wondering whether it makes sense to get to a model with a (edit: 316L) stainless steel inner tank instead of one with the standard glass-lined ...
3
votes
1answer
76 views

Tankless water heater requirements

I'm looking at the possibilities of replacing my water heater. Currently we have an electric, 2 element, 50 gallon tank heater that is 32 years old and almost ready to go. The water can sometimes come ...
0
votes
1answer
28 views

How do you change a lower heating element in an electric water heater?

Is it easy enough to do or do I need a professional?
1
vote
1answer
34 views

Why does my hot water heater flame and pilot go out?

Why would Kenmore water heater it lights then burner comes on until tank is all hot but after that it won't light again and flame goes all the way out and then I have to manual light the pilot again?
1
vote
1answer
33 views

Water heater pilot not staying lit

A customers 70 gallon gas fueled Bradford White water heaters' pilot light goes out immediately after releasing the red pilot button when relighting it. I concluded (in order of most likely suspects) ...
1
vote
2answers
82 views

Can i use a water heater as my source for the in floor Pex tubing system?

I installed Pex tubing in concrete in 2 areas, both garage floors. I have been told 2 things.... one is that it will require a boiler, two, that a hot water tank will do the job. Cost is a huge factor ...
0
votes
0answers
70 views

Tankless water heater beeps and causes power surge

We have a new tankless water heater. Every time we turn on water lights through out house flicker and water heater starts beeping. Any ideas on what causes this to happen??
8
votes
5answers
1k views

How high to raise water heater above floor?

I saw a water heater stand at Home Depot but it's about 15" high. That's a bit too high for my basement. Can I just make one with 2x4 and plywood that's only 4" tall, basically just enough to be able ...
0
votes
3answers
43 views

Electric water heater power switch

Q1: Should there be a(n emergency) power switch next to an electric water heater? Q2: If A1 is no, is it okay to have one anyway? Q3: If A2 is yes, what kind of power switch should I use? I don't ...
1
vote
1answer
24 views

Are water heater piezo igniters compatible across brands?

Is there really any difference in the piezo igniters used on water heaters? My Maytag has a bad one and they are not available any more, but it and its bracket look exactly the same as this Rheem one. ...
1
vote
2answers
71 views

Does a water heater consume more or less power if one element isn't working?

Will there be more power consumption to heat water in the tank if one of the elements is not working or will it just take twice as long to heat the same amount of water to a preset temperature?
0
votes
1answer
80 views

Hot water is coming out of all faucets brown

I live on the second floor in a condominium and had my direct vent hot water heater replaced approximately 8 years ago. At the time I recall having various vendors out to give me an estimate and very ...
11
votes
9answers
2k views

Is it about time to replace the water heater?

My wife and I just recently closed on our first home. The home was built in 1930 and aged excellently. The couple who we bought the home from had purchased it as a foreclosure in 2006 and made it ...
1
vote
2answers
107 views

I stripped the thermocouple adapter on the gas valve on my hot water heater so I cannot connect the thermocouple.

I can tell the connection piece has threads, is there a way to unscrew that piece and replace with a new one? The nut sheared off. Is there a way to alternately connect the end of the thermocouple to ...
0
votes
0answers
22 views

elec hot water heater stopped heating after water was shut off for repair

i am in a mobile home with a 9 month old elec hot water heater. They turned off the water yesterday due to a water main break. now it is not heating. help
1
vote
2answers
80 views

Can I replace the thermopile with a thermocouple in my water heater, and have it work properly?

I'm having a tough time finding a thermopile at Home Depot, and lowes. I can find thermocouples all day long, and I can rig the wiring so I have no loose ends. However, I know those two units don't ...
1
vote
1answer
41 views

Plumbing - Particles / Debris In Faucets and Toilets - Water Softener Going Bad?

I had a hot water heater replaced in my house. Shortly thereafter, I noticed that the water flow in one of my faucets near the heater was very low. I wasn't sure, what to make of it, so I had the ...
1
vote
2answers
122 views

Connecting a water heater, what kind of fittings, valves, and adapters?

I'm buying a new water heater, and quite frankly the series of connections and valves are mind boggling. What I'd like to do rather than soldier the pipes together is to go from compression to thread. ...
0
votes
2answers
79 views

Hot Water Tank limit switch tripping, but not over heating?

My just over 2 year old, professionally installed gas hot water tank frequently loses the pilot light. I've had the installer come out 4 different occasions to look, and every time, he's stumped at ...
0
votes
1answer
18 views

Furnace and Water Heater Ventilation pipe

I have a home that was built in 1924, the pipe that vents my furnace and water heater is green and it is located in my chimney. The top of the chimney is open in my attic, you can see the green ...
3
votes
2answers
73 views

Why is the TPR valve dripping on my new water heater?

I recently install a Kenmore #58240 40 gal. electric water heater. I had a 50 ga. approx. 12 yr. old Rheem which started to pop a little so I just decided to get a new one. After I installed it at ...