Questions tagged [hot-water]
Questions about systems that produce and distribute heated water.
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Why is there no power to the heating system in my flat?
I turned off the power in my flat (UK) to change a light fixture. When I turned it back on everything worked…except the switch for the heating. It’s a central boiler with an evinox satellite unit. The ...
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Tankless water heater cold water after 3 minutes then recovery
Rinnai Tankless Water Heater feeding about 6 fixtures. The two shower valves are thermostatic mixing valves. ALMOST reliably the water will slowly warm up and deliver hot water for about 3-4 minutes ...
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Hot water knocking and surging in the back shower then stop
I opened the hot water faucet in the shower and it started knocking and surging and then stopped flowing. How do I go about fixing this?
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Is this the right way to change heating element for hybrid electric water heater?
Our water heater barely gives hot water for 10 minutes before it runs out. It's 8 years old, model number GEH50DFEJSR. I haven't done any maintenance in the last 3 years, and I'm not sure if the ...
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How can I adjust a Rheem water heater thermostat?
We've recently moved into our new apartment with an electric water heater, but it has a 47L capacity.
Unfortunately, we've found we can't manage back-to-back showers, nor can my partner manage a ...
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How to set temperature and mixing valve for heat pump water heater?
I have a Rheem heat pump water heater and a mixing valve. I have heard many (contradicting) advice for how to set water temperature. The mixing valve has simple settings but no thermometer and I haven'...
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How to avoid shower cord damage from brief hot water flow after shutoff hot before cold taps?
My shower cable with metallic covering is leaking and I suspect damage from temporary hot water flow even though hot water tap is closed before cold water tap.
Is it possible brief hot water damage ...
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hot water system overflows after repairs
Our water system was making a thudding noise when we ran the tap. Called a plumber and they installed a hammer arrester, which fixed the thudding.
However, we now get a large amount of water coming ...
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1 inch Copper pipe to new Navien Tankless - no hot water on other side of house
I just installed a Navien tankless condensing unit. It sits next to the kitchen, which gets really hot water. But on the other side of the house, the water isn’t even lukewarm. I’m running a 1 inch ...
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Can a hot water heater be repaired with corrosion at the base of the input and output pipes?
This is an 80 gallon hot water heater. Leaks at the base of the pipes shown fill the small basins in the top of the heater over a period of about 1 to 2 hours. The catch basin at the base of the hot ...
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Running AC vent hose through water heater closet?
Is there a safety risk if I run an AC vent hose through the water heater closet? I don't mean venting the AC exhaust into the closet. The hose would run through there and then out one of two large ...
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Can I directly connect cold water supply line to a ever-hot hot water dispenser tank
I have an ever-hot hot water tank. The inlet of cold water comes from the faucet/dispense, which is chilled from the cold water chiller. Can I directly connect a cold filter water to the tank?
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Is an HVAC Reducing Elbow a Thing?
We're installing a Rheem Hybrid (heat pump & electric) hot water heater. The space where the heater goes is very tight and I need to use elbow on the cold air discharge as I come out of the heater....
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Hot water pressure won’t come back. Cold water is fine
So I had to remove the cartridge from my shower. I shut off the main valve on top the water heater but couldn’t figure out why it didn’t stop the cold water. I eventually had to go outside and open ...
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How high can baseboard heaters be installed?
I'm trying to do a basement loop to heat up my basement. Can I install a hot water baseboard at approx. 12" from the floor?
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