Rattling Sound in the Water Heater


Old 01-15-01, 12:47 PM
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I would like help on how to fix rattling sound in the water heater. We live in an upstairs condo and everytime we turn off the faucet in the kitchen, bathrooms, or bedroom, there is that rattling sound in the water heater. It doesn't matter whether we use the cold or hot water. Is there any way I can fix this? Thanks for the help!!
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Old 01-15-01, 03:50 PM
Mike Swearingen's Avatar
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It is probably a deteriorated dip tube at the cold water inlet inside the tank.
Water heater manufacturers had a class action lawsuit settlement (sorry, you just missed it 12/31/00) on dip tubes, and a lot of people are still having problems with them.
Good Luck!
Old 01-15-01, 04:42 PM
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Alot of new water heater come with heat traps, these are small balls inside the nipples of the inlet and outlet of the water heater, there there to keep hot water from flowing in-through the cold side inlet and keeps the hot water from cold water flow in the the hot side of the tank.

If these are there in your tank, you could install standard nipples on the cold and hot inlets to stop the rattles, but keep in mind altering the water heater could void any warranty, if it still is under a warranty.

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