On Wed, 27 Jun 2007 00:53:03 GMT Ken Weitzel wrote in
Message id: Pxigi.65556$xq1.31095@pd7urf1no:

Hi...

May I respectfully suggest you look into car battery warmer blankets
as a possibly more efficient/reliable source of heat for your
water pipes?

There is also a pipe wrap that you plug into an outlet:
http://www.amazon.com/Easy-Heat-AHB-...017353-9213620