MARS 32621 Crankcase Heater 319848-301 High-Head Performance: Optimized for systems

High-Head Performance: Optimized for systems with higher pressure drops

but the unit must never be left operating without a functioning high limit safety control in place

This unit operates on a 208-230V

Engineered specifically for the T-4000 Series Pneumatic Room Thermostats

MARS 32621 Crankcase Heater 319848-301 High-Head Performance: Optimized for systemsExperienced HVAC contractors understand that protecting the compressor from liquid slugging is non negotiable. The MARS 32621 Crankcase Heater is a heavy duty, 240V 50W belt style heater engineered to maintain optimal lubricant temperature during the off cycle. By keeping the crankcase oil warmer than the rest of the system, this belly band heater effectively prevents refrigerant migration, ensuring that the compressor startup is smooth and the