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With a 1/2 PSI maximum pressure rating and electrical compatibility ranging from 120V to 277VAC
restoring the direct spark ignition sequence essential for safe fuel combustion
Re-use or replace your existing pressure switch separately
also identified as the Lennox 12M5501
MARS 32621 Crankcase Heater 320788-702 With a 1/2 PSI maximumExperienced 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
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