On Fri, 22 Apr 2011 00:12:57 -0500, The Daring Dufas
wrote:

If it's a pressure control, the rapid cycling at that temperature could
indicate a low refrigerant charge. Model number and information on
operation including diagram may show a pressure switch.


It is a Rheem RPKA-031JAZ. I searched for more info but didn't find
it.
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