For contractors handling gas pressure testing

this genuine Lennox replacement part restores factory-spec thermal protection and system efficiency

ensuring reliable HVAC fire safety monitoring

as long as the primary and secondary voltages match

Circuit Identification: Features a distinct yellow stripe on a black base for fast troubleshooting in pneumatic systems

Honeywell 220736A Internal Auxiliary Switch Els PW 17895 For contractors handling gas pressureThe Honeywell 220736A is a precision engineered Internal Auxiliary Switch designed for integration within Honeywell Modutrol IV motors. This single pole, double throw (SPDT) switch provides critical feedback loops and auxiliary control for HVAC damper actuators and valve linkages. Functionally identical to the 220736A U, this component allows contractors to trigger external equipment such as fans, pumps, or pilot lights based on the motor's shaft