It creates an electrical arc to ignite the gas

and the captive cover nut prevents hardware loss during installation

restoring the call for heat

While a DPST relay can technically switch a single circuit

maintaining electrical continuity and reliable circuit interruption across thousands of cycles

Honeywell 315782 Ball Joint It creates an electrical arcThe Honeywell 315782 Ball Joint is a critical linkage component designed for precise mechanical articulation in high demand HVAC and industrial automation systems. Specifically engineered for motor shaft mounting, this ball joint features a 9 16 18 UNC internal thread for secure attachment and is optimized for use with 5 16 inch diameter pushrods. Whether you are maintaining damper actuators like the MP920B or integrating custom mechanical linkages,