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  1. #1

    cost effective measurement points

    What is the most cost effective way to measure temps/pressure on 3/4 and 1" HDPE pipe. I know about balancing valves but these are costly. I would like to have just a ball valve with a TP port or just a TP port with HDPE connections.

    What have others used. I am not going to put this on every system, but will have a couple on HP coil in every system.
    You don't need to give me prices , just appreciate ideas.
    Thanks for feedback.

    GoneGeo

  2. #2
    Join Date
    Jul 2008
    Location
    Berkley, MI
    Posts
    3
    Depending on where you're looking to locate the P/T port I'd think you could either locate it right at the heat pumps with a brass 90 that has an integral P/T port. You could also install an inline "T" with a brass adapter that would accept a P/T port.

  3. #3
    Join Date
    Jul 2003
    Location
    The Isle of Long
    Posts
    611
    I use brass fittings (tees, nipples, reducers, boiler drains, PT ports, etc) at the heat pump and then break down to whatever piping is being used (s40,s80, L). Have found it easier to work with brass fittings than to use PVC or Copper fittings at the heat pump connections. The brass gives you a strong connection where the PVC won't.
    Learning is a lifelong process

  4. #4
    Join Date
    Dec 2008
    Location
    South Jordan Utah
    Posts
    158
    You can buy HDPE tees with a brass thread on one leg and then just thread in the P/T port.

    The tees are available at Geothermal Supply Co and other suppliers.
    Dewayne Dean

    www.palacegeothermal.com

    See my live system data here:

    We Heat and Cool with Dirt

  5. #5
    Join Date
    May 2005
    Posts
    159
    Quote Originally Posted by geodean View Post
    You can buy HDPE tees with a brass thread on one leg and then just thread in the P/T port.

    The tees are available at Geothermal Supply Co and other suppliers.
    This is what I used. They worked out very well. Solid construction.

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