![]() ![]() Turn off the power or the gas to the tank itself.Turn off the cold water entering the tank.If the valve releases water from the tank but then begins to drip and won’t stop, this is another sign that the valve needs to be replaced. If opening the valve releases no water from the tank, then your valve is clogged and must be replaced immediately. Wear gloves while you do this and be gentle with the valve to prevent it from releasing an explosive blast of water. Be careful! if you have your hot water tank set to scalding temperatures, you could burn yourself. Once this is done, hold a bucket directly beneath the TPR valve and lift the valve gently to open it.ĭrain one or two cups out of the hot water tank. First, remove the the discharge pipe from the TPR valve. To ensure it’s working well, your TPR valve should be checked on an annual basis. (Unless, that is, you want your water tank to explode) In this post, we’ll describe how to test your TPR valve and replace it. Either way, your TPR valve should be checked annually and replaced when necessary. It can also happen when deposits of minerals build up inside of the valve. This can happen if a valve has weakened with age. If the TPR valve starts to overflow and develops a constant drip, this is a sign that your overflow valve is malfunctioning. If the TPR valve were to malfunction, pressure inside the tank could cause the tank to explode, causing terrible damage to your home. The TPR valve is attached to a discharge pipe that aims the overflow at the floor or ground where your hot water heater is positioned. Your water heater comes with a safety feature called a “temperature pressure relief valve.” When the pressure builds up inside of your water heater, the TPR valve releases it. ![]()
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