open-pressure boiler opening and closing valve is normal but the water tank is overflowing

Why Is My Water Heater Overflowing? | Terry's Plumbing

Jan 14 2014 · If opening the valve releases no water from the tank then your valve is clogged and must be replaced immediately. If the valve releases water from the tank but then begins to drip and wont stop this is another sign that the valve needs to be replaced. Replacing the TPR Turn off the cold water entering the Turn off the power or the gas to the

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