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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2answers
325 views
What could be causing water to drip from the relief valve of my new gas water heater, again?
I installed a brand new water heater about 4 months ago, noticed that that relief valve was dripping like crazy. Checked the expansion tank and it was filled with water. I replaced it with a brand ...
2
votes
1answer
337 views
What does the low pressure light on my Rinnai tankless water heater mean?
We have a Rinnai tankless water heater in the basement. Our housemate has a bathroom in the basement. About once a week, the water turns cold during her showers or when she uses the sink. We have no ...
3
votes
0answers
42 views
Why does my Rinnai Infinity water heater fire up after turning off the cold tap?
I have a Rinnai Infinity XR20. It's about 3 years old. I've just recently noticed a peculiar issue with it that I hadn't noticed before. If I turn on a cold tap like the one to the garden hose and ...
2
votes
0answers
62 views
Is it possible to make my own solar water heater?
After blowing (what I consider) a lot of money on 2 residential solar water heaters, over the last 6 years, dealing with 3 set of rather expensive inner-tank replacements, evacuation pipe changes I am ...
2
votes
0answers
66 views
Where could the air in the water system be coming from?
We live on the top two floors of a small brownstone walkup. To get the heating to work upstairs I need to bleed the baseboard heater almost every other day. All faucets in the house sputter, and the ...
2
votes
0answers
361 views
What could cause my tankless water heater to make a knocking sound?
I recently replaced my water heater with a tankless unit (Rheem). After installation I noticed that whenever I turned on the hot water; or when my central heating unit would turn on, the tankless unit ...
1
vote
0answers
55 views
What would cause a water pressure drop after tripping a breaker?
I recently plugged my laptop into a cheap powerbar, which caused said-powerbar to short. This tripped the "sockets" circuit on the breaker, which, upon resetting, caused power to begin flowing to ...
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0answers
49 views
Why am I not getting hot water from my tankless hot water heater?
I just bought my house last year. The previous owner had just replaced the boiler before I closed. I had oil delivered the day that I moved in. I had problems with the hot water right away as it ...
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0answers
158 views
What dangers are associated with changing the pilot light assembly on a gas water heater?
My A O Smith ProMax gas water heater started going out at various intervals. I would re-light it and it might stay lit for a few minutes, few hours, or even a day or so. I figured it was the ...
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vote
0answers
95 views
Without having a pressure regulator or gauge, how would we determine what psi to set our new expansion tank to?
Without having a pressure regulator or gauge, how would we determine what psi to set our new expansion tank to? We just replaced the tank and hot water heater.Before replacing them, had an ok amount ...
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0answers
195 views
Running Shower Faucet After Hot Water Heater's Off
I was awoke by a chemical smell from my electric hot water heater. The past two weeks I noticed my shower was not getting/staying very hot during my 10 minute showers. Thinking not too much about it, ...
