Hot water everywhere!

[Georgia]

Why would hot water flow from the cold water side of every faucet in my home? It will turn cold after a few minutes of running but will return to hot at the next use.

[Phil VenturaParticipant]

: Why would hot water flow from the cold water side of every faucet in my home? It will turn cold after a few minutes of running but will return to hot at the next use.Here are a few thoughts:?-Is the water very hot like the heater is overheating and causeing excessive pressure. ?-Is it possible that somewhere in the house a shower valve is on with just the shower head cut off. this will cause cross over. ?-have you noticed any white particles in the water this could indicate dip tube in heater has failed. also less hot water that normal. ?-is this something that has just begun or was it like that from the beginning-may need heat trap at cold water inlet on heater.

[Phil VenturaParticipant]

: : Why would hot water flow from the cold water side of every faucet in my home? It will turn cold after a few minutes of running but will return to hot at the next use.: Here are a few thoughts:: ?-Is the water very hot like the heater is overheating : and causeing excessive pressure. : ?-Is it possible that somewhere in the house a shower valve : is on with just the shower head cut off. this will cause : cross over. : ?-have you noticed any white particles in the water : this could indicate dip tube in heater has failed. : also less hot water that normal. : ?-is this something that has just begun or was it : like that from the beginning-may need heat trap at : cold water inlet on heater.I have been turning the water temperature down recently. I checked all the shower heads. Nothing wrong there. The problem is about two weeks old in a 6 year old house. I havent noticed any white particles in the water. The amount of hot water seems normal. Before I began turning back the water temp the water was even hot on the input to the water heater.Phil V

[Phil VenturaParticipant]

Is the floor hot? Your symptoms are what one would expect from a major hot water leak under a concrete slab heating up all the pipes under the slab.: Why would hot water flow from the cold water side of every faucet in my home? It will turn cold after a few minutes of running but will return to hot at the next use.

[Phil VenturaParticipant]

: : : Why would hot water flow from the cold water side of every faucet in my home? It will turn cold after a few minutes of running but will return to hot at the next use.: : Here are a few thoughts:: : ?-Is the water very hot like the heater is overheating : : and causeing excessive pressure. : : ?-Is it possible that somewhere in the house a shower valve : : is on with just the shower head cut off. this will cause : : cross over. : : ?-have you noticed any white particles in the water : : this could indicate dip tube in heater has failed. : : also less hot water that normal. : : ?-is this something that has just begun or was it : : like that from the beginning-may need heat trap at : : cold water inlet on heater.: I have been turning the water temperature down recently. I checked all the shower heads. Nothing wrong there. The problem is about two weeks old in a 6 year old house. I havent noticed any white particles in the water. The amount of hot water seems normal. Before I began turning back the water temp the water was even hot on the input to the water heater.: Phil V?-are you turning the thermos back because water is excessively hot-if so then one of the thermos is bad or a element has burnt out and is grounded a little causing it to heat all the time. once set the themos shouldnt need to be bothered. ?-is heater at a lower level than the water lines, like in a basement-if so dip tube failure would allow water to travel up cold water pipes.

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