After installing a new water heater, it was discovered that a Mixet faucet in a nearby bath exhibited what the plumber called "crossover." That is, with the water to the house "on" and the cold water valve to the water heater "off," the new tank began filling with water flowing from the cold side of the Mixet valve, through the valve, and then flowing backwards through the hot water line to the new tank. A new Mixet cartridge did not fix the problem.
Has anyone encountered this before? If so, I would very much appreciate any suggestions.
Mixet Faucet Problem
Mixet Faucet Handle Removal Problem:
HELP..Warm water to back of house, checked faucets....
new sink installation, but low water pressure
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