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Keeps engine coolant from going through heater core when it is not needed.

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14y ago

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To turn off the hot water in your home, locate the shut-off valve on the hot water pipe near your water heater. Turn the valve clockwise to close it and stop the flow of hot water.


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How does a hot and cold mixing valve work to regulate water temperature in a plumbing system?

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How does a hot and cold water mixing valve work to regulate the temperature of water in a plumbing system?

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To determine if your hot water heater is leaking from the drain valve, check for water pooling around the valve or any visible signs of water dripping or leaking. If you notice these signs, it is likely that the drain valve is the source of the leak.