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  1. #14
    Join Date
    Jul 2013
    Location
    Israel
    Posts
    11
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    (mechanical ) thermostat cuts out at ~55c (130f) and rarely does it run above 600 psi

  2. #15
    Join Date
    Jul 2013
    Location
    Israel
    Posts
    11
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    55c (130f) (give or take, thermostat is mechanical and at the bottom of the tank)

    600 or so psi

  3. #16
    Join Date
    Jul 2013
    Location
    Israel
    Posts
    11
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    (sorry about the repost, i didn't see it show up)

  4. #17
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    19,061
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    R-22 at 600 psig head?
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

  5. #18
    Join Date
    Jul 2013
    Location
    Israel
    Posts
    11
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    r410, (i don't currently have the r22 system running )

  6. #19
    Join Date
    Jul 2013
    Location
    Israel
    Posts
    11
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    i mentioned i tried several different ways with varying levels of success, first i tried making my own coaxial heat exchanger with ~15 meters of 3/8" copper inside a 20 mm pex, next i tried one from Doucette Industry, both worked but need a circulating pump, so now I've made a coil from 3/8" copper, i hand roll it around the cardboard core from pallet wrap, then drill and tap the steel flange-plate found on the bottom of the water tank and seal in the spiral using compression fittings, I'll post pictures of the various things I've mentioned.
    and id like to correct myself, my current system is running at about 400 psi

  7. #20
    Join Date
    Jul 2013
    Location
    Israel
    Posts
    11
    Post Likes
    here are the different coaxes, and the final spiral coil
    Attached Images Attached Images    

  8. #21
    Join Date
    Sep 2002
    Posts
    23,033
    Post Likes
    Excellent.

    You're a Good Man - keep up the good work.

    And please; post it all here.
    PHM
    --------
    The conventional view serves to protect us from the painful job of thinking.

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