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Author:
brmommy (OH)
Hello,
I have a friend that had a water heater replaced around September. Ever since then, about once a day or so, on any faucet when turned on spits and sputters. (Her description). She lives in a manufactured home. The pressure regulator valve and shut off valve were both replace last week and still the problem exists. It never happened until the plumber replaced the water heater. She has called him back twice and it doesn't make the sound when he is there. He has no idea what is causing it. Just says call him when it does it again. She says it is most common to happen in the morning. Any ideas or suggestions on what to do?
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Author:
sharp1 (IL)
The pressure regulator valve you mention creates a closed system meaning there is no place for expansion to take place when the water heater is operating. Opening any valve or faucet allows this extra pressure to escape. Also, the TPR valve on the water heater might weep, allowing for the high pressure to be partly disbursed. If the old pressure regulator was faulty, it could have allowed the extra pressure to back up into the water main without showing this symptom.
The answer is to install an expansion tank on the cold water inlet to the water heater. The initial air pressure charge in the expansion tank is to be equal to the regulated water pressure in the home. The actual expansion of heated water is just a few ounces, so a small tank will usually suffice.
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Author:
mikedel28 (NY)
Is this by chance a Bradford White brand? If so they have had problems with some of their anode rods. Procedure is to replace the anode rod and flush the tank out a few times. Usually covered under warranty. Installer should be aware of this....unfortunately I have installed quite a few this year and have had to deal with the headaches. Oh well thats 2020.....
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