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  1. #1

    Pressure tank glass relief valve

    My glass relief valve is on my pressure tank is leaking through the pit cock. Does anyone know where I can buy a complete new replacement? Also my tank pressure reads 140 PSI. Should it be higher?
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  2. #2

    Re: Pressure tank glass relief valve

    This is what I’m looking for. Any help would be appreciated.
    Attached Images
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  3. #3

    Re: Pressure tank glass relief valve

    It shows sideways but it’s not installed that way
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  4. #4

    Re: Pressure tank glass relief valve

    Rusty is that on your air pressure system, if so I will be removing mine soon and you can have mine
    Mahalo V
    1974 53 Motoryacht
    Hull Number 406
    San Diego, Ca. Ready 32 Nordic Tug, Brunswick Ga.

  5. #5

    Re: Pressure tank glass relief valve

    Yes it is. I found them on line but I think they are used. I’ll find that out Monday. It looks like the company is no longer in business. I found some replacements but I would like to keep it original if possible. I’d love to get yours, Thanks John. When are you leaving?
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  6. #6

    Re: Pressure tank glass relief valve

    That is not a pressure relief. It is a sediment and water separator. You can buy at most industrial supply stores. Grainier, etc. Looks like a Parker. Normally there would be a pressure regulator before that quick disconnect. 140 psi seems quite high for your system. I would turn that down to 100psi or so.
    Thanks,

    Tony

    2008 Cheoy Lee Bravo 78 "Bella Sophia"
    1989 78' Hatteras CPMY #311 "Bella Sophia" (sold)
    2007 Everglades 290cc “Bada Bing” (sold)
    2006 Advanced Outdoors 28cc (sold)
    2003 Melges 24 "Bada Bing" (sold)
    2023 HCB 42 “Bada Bing”

  7. #7

    Re: Pressure tank glass relief valve

    Thanks Tony. Once I put the replacement in I’ll lower it. The unit shows 150 PSI. I had not adjusted it. I thought that might be the factory setting.
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  8. #8

    Re: Pressure tank glass relief valve

    Get something like this. https://www.ebay.com/itm/1-4-Pressur...AOSwYHxWH9XjIt has a pressure regulator built it. Also has the metal safety shroud around the bowl and a petcock drain system. Pay attention to the air flow direction arrow when installing. The one in the link is 1/4” NPT. Can’t tell what yours is from pic. The air compressor is mainly for your air horns and to be able to connect a hose for air tools and filling beach toys. I ran my 5 trumpet air horns at 120 psi and they worked fine. The lower the pressure, the easier on the compressor.
    Thanks,

    Tony

    2008 Cheoy Lee Bravo 78 "Bella Sophia"
    1989 78' Hatteras CPMY #311 "Bella Sophia" (sold)
    2007 Everglades 290cc “Bada Bing” (sold)
    2006 Advanced Outdoors 28cc (sold)
    2003 Melges 24 "Bada Bing" (sold)
    2023 HCB 42 “Bada Bing”

  9. #9

    Re: Pressure tank glass relief valve

    Thanks Tony I appreciate your reply and ideas.
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  10. #10

    Re: Pressure tank glass relief valve

    Quote Originally Posted by tonytrakovich View Post
    I ran my 5 trumpet air horns at 120 psi and they worked fine.
    LOL. Reminds me of a friend who has a house boat on a big lake somewhere in Tennessee.......Put a train horn on the thing. Once in a while he'll post a time on FB that he's going to blow the thing and all his buddies go outside at that time..... The record is 5 miles. Not sure what pressure he runs on that. Probably more than 120psi..... Everyone on board has plugs AND muffs and stands on the back deck....
    1978 53' Motor Yacht "LADY KAY V"
    Hull number 524
    Chesapeake Bay

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