My question is: what heats your hot water? Your engine cooling
system? If so, why not? You could get some useful heat out of
it, while cooling off your tank, even with the engine off. If
your engine is running, even on idle, you would have a source of
heat you could use, or even if you use a seperate fuelled system
to heat your water. Please don't tell me you use a 12v battery to
heat your water.

Terry K

DB wrote:

We have a 30' Islander sailboat that we sail all year round in the Puget
Sound. I'm fine with the weather in the right clothes while my wimpy wife
doesn't like sailing in 40 degrees. Our bulkhead doesn't have room for a
Force 10 type diesel heater. We've used an alcohol stove (wet heat), a
portable propane heater (toxic) and the propane stove oven (costly.) I was
just about out of ideas that would keep my best sailing buddy warm.
Then, a buddy of mine was out with me for the last three days and he came up
with an idea. He suggested that I pick up a car/truck heater and plumb it
into the hot water heater system. It would provide heat while we're under
way and allow us to go below and warm up once in a while.
Has anyone else installed a system like this and did it work?
Dan

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