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  1. Why is my water expansion tank leaking? - Home Improvement …

    A water expansion tank gives water a place to expand in a closed system (frequently found with boilers, or home water supplies with a check valve). Otherwise, heated water cannot expand …

  2. Do I need separate expansion tanks for my boiler and water heater?

    Jan 21, 2018 · In my previous house I had a combination unit with only 1 expansion tank, so I'm assuming there must be some sort of set up where by 1 tank can buffer against both …

  3. What is the Correct Hot Water Expansion Tank Pressure

    Jul 12, 2017 · 2 What is the correct pressure for the pre-charge on a domestic hot water expansion tank? I have read in several places that it should be pressurized for the incoming …

  4. why does my expansion tank shoot out water when taking off

    Apr 2, 2023 · 3 New to plumbing here, I was trying to do a DIY and add an expansion tank to my water heater. I noticed it was dripping from the fitting, so I tried to take it off to apply more …

  5. repair - How can I fix a leaking expansion tank? - Home …

    Mar 24, 2014 · This is on your heating system or your potable water system? I'm suspecting a heating system, in which case you will have to drain the system before proceeding, unless you …

  6. Low foghorn noise after new pressure reduction valve and …

    Mar 4, 2021 · A plumber recently installed a new pressure reduction valve and expansion tank in my house (which previously had neither) because the water pressure was unusually high. …

  7. Can an expansion tank described as for a water heater be used for …

    Dec 16, 2019 · There is only one expansion tank we can find which states it is also a thermal expansion tank but it says it protects hot water heaters

  8. Why does expansion tank not fix water hammer type noise?

    Oct 28, 2024 · New to me old ('62) house with a fair amount of remodeling, gas hot water heater. When I moved in no expansion tank and water pressure would shoot up to > 110psi, also …

  9. Pressure spikes causing water heater TPR valve to drip/open

    May 22, 2023 · The expansion tank on the cold water line is presumed to be ineffective to control the pressure impulse. The expansion tank is presumably ineffective because the cold water …

  10. After installing expansion tank, massive buildup of pressure then a ...

    Turns out the expansion tank bladder was filled with water and needed to be replaced. I got a new 2 gallon 100 psi max expansion tank but before putting it on I measured the water pressure at …