How long can I run my block heater?
#5
I don't think theres a limit to how long you can keep em plugged in as long as theres plenty of fluid to keep the element submerged. Here at work I have 3 cummins diesel generators that get plugged in the 1st of September and stay plugged in till the 1st of May and have never had any problems other than one did give out but it's been on the engine since 1988. All fluids get tested twice anually and all 3 get run for about an hour every monday.
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I worked at a power plant where the fire pump was a T444E. It sat with the block heater on year round for many years. I don't know for certain it's the same heater but it probably is.
I was shocked when this happened for me the first time. I was spending the night at a ski area with my camper and they would let me plug in for $15. I left the block heater running all night and in the morning the windshield was mostly clear even though it was snowing at quite a clip.
I was shocked when this happened for me the first time. I was spending the night at a ski area with my camper and they would let me plug in for $15. I left the block heater running all night and in the morning the windshield was mostly clear even though it was snowing at quite a clip.