All compressors should have a crankcase heater installed and set 20 degrees higher than the maximum anticipated room temperature. Figure 2. Effect of broken or leaking valves. Cracked discharge valve: ...

Crankcase Heaters The crankcase heater is a resistance heater that is strapped on, inserted, or connected in some way to the compressor’s crankcase. The crankcase heater is designed to help combat ...