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  1. Replies
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    i have a walk in cooler with no charge my low...

    i have a walk in cooler with no charge my low pressure show a cut in at 20 psi. the switch is stuck closed the unit as been running in a vaccum. my sight glass show yellow. i am putting in a new...
  2. Replies
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    1,051

    ihave a walk in freezer with a suction of 8psig...

    ihave a walk in freezer with a suction of 8psig high side of 200 sight glass is clear. the box temp is only 30f. it need to be -10.r22. i usually just do hvac but our frig guy is on vacation.the...
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