Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [hot-water]

Questions about systems that produce and distribute heated water.

469 questions
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Very low hot water pressure entire house

Setup: Electric 53 Gallon Heater, installed in 2014 by previous owners. Location: Tampa bay, Florida, Home built in 1961, typical cinder block house. WE purchase the home in December and all has been working great. Issue: Very low hot water…
apeek2901
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4 answers

Fast hot water - tankless heater as backup or recirculator

My master bathroom is the farthest from my electric water heater (traditional with a tank) on the other side of the house. All other faucets are much closer and receive quick hot water. During the bathroom remodel I've been spoiled using the guest…
s0rce
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4
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1 answer

Summertime hot water in the cold lines

I have an oil fired boiler (baseboard) that also heats my hot water. The hot water has a line from the cold supply to feed the system then it circulates through the boiler and into a tank for storage. I've noticed in the summertime, I get a lot of…
Matty U
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3 answers

Insinkerator Instant Hot SSRV-1 Spitting Air -- Need Ball Valve

My Insinkerator Instant Hot undersink water dispenser is about 8 years old and it has begun spitting air when running water. It is not a steam/overheating problem, because it only spits air when running water out of it, and it still spits air if…
Wes
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Can a water heater that's been stored for several years be put back into service?

We have a 30 gal water heater in our garage. The unit was turned off three+ years ago but the water was left inside. Can mold, etc. grow inside it? Do we need to replace it before using it again? If not, do we have to sanitize it?
Insinkerat
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Are CPVC pipe and SharkBite connectors allowed on a water heater in Virginia?

I am renting a home that had to have the gas water heater replaced. The landlord had someone install the new one and the connections are questionable. My plumber informed me that using CPVC with SharkBite connectors directly out of the tank instead…
Chris Whittington
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On Demand electric water heater on a well, works intermittently. What are ideas for consistent hot water?

On Demand electric water heater on a well, works intermittently. Replaced 3 X over 12 years, the problem persists and I'm sick of it. My gut says it's about water pressure/flow, because sometimes you can trick it into working by turning on the sink…
Overit
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Why do I get hot water from the cold side of the faucets

I get steaming hot water downstream of any faucet being used. How can this happen?
Bruce
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hot water humming maybe Grundfos pump

There has been a humming noise coming from the hot water heater, and it sounds like it's coming from the Grundfos UP 15-18 B5 pump. The humming is constant 24 hours a day and from what I can tell it is NOT affecting the performance of the water…
user52326
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Will keeping the hot water running by accident cause any damage to the hot water heater

The hot water was left running over night about 6 hours in my bathroom sink Would that have caused any damage to the hot water heater
user35557
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Should I use a timer or motion sensor in my hot water recirculation system?

I want to get a hot water recirculation line added to a house. plumber is proposing a timer to turn on/off the pump. I'm thinking a motion sensor method would be better. are these even common and how do most people install them in terms of where to…
Cool Pontiac
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water running but wont run hot through the kitchen only

we have hot water in all other parts of the house, but not in the kitchen? the water will come through cold and not become hot. If we turn the laundry hot water on, it will turn the kitchen hot water on, but the pressure is at half strength.
Marlaina Chan
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removing cold and hot water lines from hot water tank

I need to replace my hot water tank as it's old and we run out of hot water fast. I actually did maintenance on it by shutting power off, cut off cold water and draining a bit of water from bottom drain as the maintenance manual says ro do every…
gstlouis
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What is the official definition of first-hour delivery of hot water tanks?

I am looking at getting a new hot water tank. In deciding between a 40 gallon and a 50 gallon, I discovered that the 40 gallon has a higher first-hour delivery rating than the 50 gallon (see this spec sheet). I got curious and am doing the math on…
Tom Hamming
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Dedicated Hot Water Recirculating System Woes

Two plumbers and no remedies to why my hot water turns cold (but not as cold as the cold water rather slightly warmer). This problem began to happen gradually and it occurs at every hot water faucet/shower through out the house Plumber No. 1: Hot…
Timothy Szczerbinski
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