My husband turned on the braker to the water heater and now every single faucet only poors out hot water. Water heater is brand new and was installed yesterday. What could the problem be?
- posted
11 years ago
My husband turned on the braker to the water heater and now every single faucet only poors out hot water. Water heater is brand new and was installed yesterday. What could the problem be?
As the water heats and expands, it has nowhere to go but back out into the cold supply. You may need a thermal expansion tank or, if you already have one, it may have gotten waterlogged, i.e. the bladder that held the air had collapsed and there's no longer any air cushion in there, just water.
The new heater is probably larger or at least more efficient than the old one. Your piping system probably had a water hammer arrestor or just a simple vertical piece of pipe, closed off at the top end, which was preventing pipe vibration and rattling. If the old heater was smaller or not as efficient, the volume of the hammer arrestor was probably enough to also double as a small thermal expansion tank and now it's not. The arrestor itself might have gotten waterlogged and that needs to get fixed.
So, you can do several things:
If your water is supplied by a well pump, there may be more to it than only thermal expansion. We would need to know more about your water supply system then. Posting manufacturers and model numbers with questions always helps.
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