a dedicated biflow drier should be used to prevent trapped debris from flushing back into the system

Always check the silicone tubing for cracks or moisture buildup before assuming the switch is defective

The RIB2421C is UL864 listed

System Protection: Acts as a primary furnace safety switch to prevent overheating and potential structural damage to the heat exchanger

Using this kit on larger 240RA or smaller series valves may result in improper seating or thread mismatch

Copeland 918-0019-01 Crankcase Heater Els PW 17895 a dedicated biflow drier shouldThe Copeland 918 0019 01 is a high performance belt type crankcase heater designed to maintain critical oil temperatures in refrigeration and AC compressors. Operating at 120V and delivering 70W of heating power, this component prevents refrigerant migration to the crankcase during the off cycle, significantly reducing the risk of slugging and mechanical failure upon startup. Engineered for durability, this external wrap around heater ensures optimal