durable diaphragms

This Grade 7 element is designed to withstand continuous operating temperatures up to 150°F (66°C) without compromising the integrity of the filter media

Optimized for R404A refrigerant

even in cramped cabinet configurations

it features electronic stall detection

MARS 32621 Crankcase Heater R-134A durable diaphragmsExperienced 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