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Old 02-08-2011
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Tuennerman Tuennerman is offline
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Issues with Marvair System

I'm wondering if anyone out there has experienced a similar issue with their Marvair Reverse Cycle Air Conditioners.

I have two (2), 16,000 BTUH Systems installed on my Catalina 445. According to Marvair's own Documentation, each System requires a minimum water flow of 282 GPH for a total of 564 GPH. The Systems were installed, one forward and one aft, with a single Cal Pump, installed midship.

I've been having a lot of problems, some of which I believe are related to Water Flow. Unfortunately, Marvair has not been responsive at all even though these Systems were installed six months ago.
  1. Has anyone come across a similar configuration installed onboard their Vessel?
  2. Has anyone had issues with their Marvair Systems maintaining temperature?
  3. Has anyone had repeated Pump failures?
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