Check marine supplies.  About 30 years ago I had a sailboat with
about a 5 gal HW heater that ran on 120 volts but also had fittings
to run engine heated water through it.

John

On 5 Sep 2002, at 10:41, Ben McCafferty wrote:

> I've always wanted to see a setup that exchanges heat with the exhaust
> or radiator somehow, though it would require running the engine for
> heat.... Hmmmmm.... bmc  :) "Faith will move mountains, but you'd
> better bring a shovel...."
>
>
> > From: Greg Pratt <Gflat13@AOL.COM>
> > Reply-To: Gflat13@AOL.COM
> > Date: Thu, 5 Sep 2002 12:20:57 EDT
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Hot water heater
> >
> > Has anyone considered installing an RV water heater such as a
> > Suburban 6gal or 3gal in a Westy? I realize these units have huge
> > hideous doors and require cutting a large hole, but could they be
> > modified to vent through the fridge flue or install a second flue
> > without cutting? I was thinking these heaters could be used for a
> > hydronic heating system inline with a low wattage pump and a
> > thermostatic control. I ran across this article and it got me to
> > thinking:
> >
> > http://www.solarhaven.org/HPArticle.htm
> >
> > Maybe circulate water through an automotive coil or run hydronic
> > tubing under a false floor. Tap off for hot showers. Crazy idea?
> > Anyone have experience with these types of heaters?
> >
> > gp
> > 87 Syncro
> > 86 GL 7p
> >