Quote:
Originally Posted by azcindy
Nova came out to install their system on a house I just purchased. For $75 extra, I had them install a pressure regulator that will keep the pressure going to the cannisters from going over 65psi. There are two pressure gauges on their system so I can verify the pressure. I can adjust the pressure regulator myself (or a handyman), but that is what they recommended. I feel fairly confident I won't have problems with the cannisters due to pressure.
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If the pressure regulator is located on the water supply pipe that supplies water from the street to the canisters, it will not prevent a pressure increase caused inside your house by a defective expansion tank on your water heater. Yes, you can read the pressure gauges, but if the pressure increases suddenly, you won't know about it until you have a leak or a damaged canister.
Read Post No. 39, and ask Nova if your filter system is protected from a defective expansion tank that causes thermal expansion and a huge increase in water pressure inside your house.