"Rich" wrote in message
...
cpw wrote:
Others believe that leaving the heater on all the time will promote
corrosion brought about by changes in the ambient temperature. Both Tanis
and Reiff do not recommend leaving it on all the time.

Caveats: http://www.reiffpreheat.com/FAQ.htm#QA3


--
Matt
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Matthew W. Barrow
Site-Fill Homes, LLC.
Montrose, CO (MTJ)