Crankcase

Self-regulating crankcase heaters provide reliable peak heating during critical cold periods. Unlike conventional constant-wattage heaters, self-regulating crankcase heaters reduce their heating once the compressor starts up or the air temperature rises. Also, self-regulating heaters can be safely overlapped and closely spaced without burning out; so one size fits all hermetic compressors up to 5 HP that are 40 inches or less in circumference. This prolongs the life of the compressor, saving repair and replacement costs over time.

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