Help! Hot water tap runs in the evening….

[MasterPlumbers]

After i do the dishes in the evening, the hot water tap leaks a steady stream. This tap never drips a drop at any other time it is used, only night. Yet in the morning it has stopped and is back to normal. This problem is relatively new and I have contemplated turning off the water because it has filled the sink in an hour! Does anyone have any suggestions as to what might be causing it?

[Retired plbg1]

Sounds like you have a loose washer and the stem does not seat everytime, turn off water and take it apart and see if washer came loose, if so put new one in. Let me know.

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Art retired plbg

[CincinnatiPlumbing]

Static water pressure increases during night time hours as less water is being used from the municipal main. There is a community here in Cincinnati where the daytime water pressure in the main is around 150psi and shoots up to around 225psi at night. You do need to rebuild the faucet with either new cartridges, new stems/seats or washers/seats (whichever your faucet requires). In addition, I’d have the static pressure checked. You can buy a pressure gauge at most hardware stores or any plumbing supply house that connects to a hosebib or laundry tub faucet. Get one and check the pressure at various times of the day/night. If the pressure ever gets over 80psi you need to install a pressure reducing valve. If you already have a PRV and the pressure is over 80psi, you’ll most likely need to have it replaced.

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