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Old 03-07-2011, 08:52 AM
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ndutton ndutton is offline
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Thanks sailbristol but not to worry, things are a changin'.

I'm posting this a little early as I have little real information but yesterday I tested the system for the first time and the cooling capacity of the HX is insufficient. It's a single pass exchanger. I had a nagging concern when I first realized it but figured I'd give it a try anyway. You'll see in my posts a recurring theme of "Let's see if it works."

Other than that, everything else worked beautifully, electric pump had excellent flow, header tank position and plumbing functioned well, the entire system purged itself of air easily. I'll be testing a borrowed HX this week and pending a successful test, will be shopping for a multi-pass HX. Everything I've seen so far will have the pump mounted differently and because of that there will no longer be a concern over an air pocket at the pump, the reason for the clear hose in the first place. And frankly, I wasn't expecting temps over 160 anyway.

Too bad, that stainless HX sure was purdy.
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1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
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