For technicians troubleshooting frequent "open limit" fault codes

For safety and proper furnace operation

Maintaining accurate furnace high limit switch settings is essential for preventing short-cycling and ensuring the inducer and blower motor cycles align with domestic safety standards

Universal Application: Functions as a high-performance replacement for numerous OEM fan relays in air conditioning and refrigeration units

and RV225 waste oil heaters

Belimo KH6 Crankarm For technicians troubleshooting frequent "openThe Belimo KH6 Universal Crankarm is a heavy duty mechanical accessory engineered for precise linkage in damper applications. Constructed from high quality galvanized steel, this damper crank arm is specifically designed to interface with KG6 ball joints, providing a robust solution when direct coupling an actuator is not feasible. With a fixed slot width of 6. 2 mm (1 4"), the KH6 offers the necessary versatility for HVAC mechanical linkage, fitting