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Thread: reversing valve

  1. #1
    Join Date
    Dec 2005
    Posts
    6

    Question reversing valve

    my dads goodman hp reversing was repaired by service tech after the cap tubing from comp discharge line to reversing valve pilot/solenoid valve had a leak. he brazed closed where it was, then brazed a new line from pilot to the high pressure liquid line for control of the rev. vlv. was this a bad idea using liquid instead of gas for control? now when it gets below 35 hp according to dad "quits working". as if reversing valve is not switching, I think when it goes from defrost mode back in to heat mode. Im thinking the liquid is not relieving/exhausting in rev vlv to switch it. am I crazy? the valve is designed to use gas as control. please reply, my dad is very very depressed. thanks:

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,125
    Yep. That will mess up the RV's operation.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  3. #3
    Join Date
    Dec 2006
    Location
    Middle Tennessee
    Posts
    11,347

    *

    can't understand why would someone change the way the reversing valve was piped?

    if you took a cars fuel injection and hooked it up to the exhaust pipes would that be a bad move



    .

  4. #4
    Join Date
    Nov 2008
    Posts
    4
    That reversing valve will never work correctly

  5. #5
    Join Date
    Jun 2008
    Location
    South,Tx
    Posts
    331

    You need to :

    Called back the Co and have them do it right , and explain "why" its need to be done . Its beyond me why we got .... (fill in the blank)
    Its an mistake of "not knowing better" in this case : hopefully
    Matt 7:12 The Golden Rule
    "Do for others what you would like them to do for you. This summary of all is taught in the law and the prophets.

  6. #6
    Join Date
    Dec 2005
    Posts
    6
    thanks everyone for your replies, thats the information I needed.

  7. #7
    Join Date
    Aug 2008
    Location
    brampton
    Posts
    9
    you called the wrong person for that job

  8. #8
    Join Date
    Dec 2005
    Posts
    6
    the right thing to do would have been to replace the rev valve. the leak was on the valves inlet pipe. is that a nightmare job for a tech to do? I took an hvac course and practiced at home brazing with the stick silver solder and I had to practically burn the copper to a crisp before it would melt ( I did N2 purge). brazing is an art to itself.

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