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Block Heater Timer
I've read a lot of threads on block heater use. Here in Anchorage, Alaska, it's used a lot. The thing is, with the block heater and two battery blankets, it draws a lot of amps, so I don't want it plugged in all night. It only takes about 3 hours to bring the temp gauge off the C peg when it's below 20F.
Anyway, what I REALLY want, and can't find, is a thermo timer. The timer needs to run all the time, but only send power IF the temp is below 20F (or whatever you set it at). It should be a weatherproof unit that sits outside and plugs in to the outdoor outlet.
Its so simple, yet nobody seems to make them. No need to warm up the truck if it's 30F outside, but if it's -20F hell yeah!
Anybody seen a smart block heater timer they like? Has anyone MADE one they like?
Right now, I'm running it on a simple mechanical timer that comes on about 3 hours before I go to work. It works well, but the temps are so unpredictable, no need to heat it when it's above 20F.