The only time it will be used is when draining for repairs when it is being discarded or when flushing the lime scale out with a hose.
General electric water heater drain valve.
Smith water heater isolation valve.
Turn off the cold water supply to the water heater.
Wear work gloves to protect your hands.
Drain the tank.
Switch the 2 house circuit breakers dedicated for the water heater to off.
Open the temperature and pressure relief valve on the side or top of the tank by flipping the lever to the open position this allows air into the tank to prevent suction that would inhibit draining.
Not only can the valve spring a leak but it can also make your routine flushing almost impossible.
Attach a garden hose to the drain valve located at the bottom of the unit and run the garden hose outside.
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For pricing and availability.
A drain valve is a convenience feature on a water heater.
Whirlpool water heater tune up kit.
Having a faulty drain valve on your water heater can be a real headache.
Thankfully water heater drain valve replacement is a rather easy.