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Old 11-09-2013, 12:59 PM   #6
hollywood8118
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City: Port Townsend Washington
Vessel Name: " OTTER "
Vessel Model: Ocean Alexander Europa 40
Join Date: Nov 2009
Posts: 2,378
The way I view a water loop to the water heater is that it in effect acts as a hybrid device of sorts. You can heat as the previous post suggest with the genset but the heat is free from the main engine(s). Why burn additional diesel and add time to the genset when it is already there?

I can see some would freak at the thought of glycol in their water heater.. but do you use hot water to drink from the boat? As the water pressure in the fw side of the system is at 30+- lbs will the engine glycol actually make it to the fresh side.. unless the water pressure side is off?

The other way to view it is that most boats are plumbed this way... how many of you have had the exchanger fail.. most times the water heater tank fails first.
I feel the O.P. got great life from the water heater.. replace the water heater in the current configuration and go boating
HOLLYWOOD
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