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Old 12-14-2016, 11:24 AM   #2
Ski in NC
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City: Wilmington, NC
Country: USA
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 5,409
Post what your engine is. Pretty much any engine has taps where you can attach supply and return hoses for the heater. You do not want to put it in the loop going to the keel cooler. Best way is for one tap to be near the circulating pump suction, the other to be just upstream of the thermostat. That way you get flow through the heater even at light load where thermostat is closed or just cracked open.

Nice feature. I have one on my boat and having good solid heat without needing ac power is awesome.
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