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Flow Check Valve leaking, can I just replace the inside of the valve and no soldering?

darklunar123
darklunar123 Member Posts: 5
in Gas Heating
This is the valve I have:
https://images.homedepot-static.com/productImages/aa3ac4dd-2d28-4313-9459-164d9828b64c/svn/watts-air-admittance-valves-2000s-m5-64_1000.jpg

Comments

  • HVACNUT
    HVACNUT Member Posts: 6,945
    Yes, you can replace the insert only. Be sure to clean the brass seat inside before you pop to new one in.
  • darklunar123
    darklunar123 Member Posts: 5
    Thanks. Would I need to just unscrew the very top? Tried googling around and couldn't find any instructions on this.
  • HVACNUT
    HVACNUT Member Posts: 6,945
    edited October 2019
    You need to wrench loose the large brass nut where it meets the valve body.
    The butterfly screw needs to be hand tight on the new one to prevent a gravity heat rise
    darklunar123
  • darklunar123
    darklunar123 Member Posts: 5
    Thank you!!

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