Engineered for heavy-duty circulator pump duty cycles

meaning the contacts open when the pressure drops to the low setpoint (typically used to cycle fans off)

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

Broad Compatibility: Fits various Lochinvar and A

it features electronic stall detection

MARS 32621 Crankcase Heater R-134A Engineered for heavy-duty circulator pumpExperienced 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