and ZB models

silicone tube with a 36-inch lead

this 5-foot tube allows for 2/3 duct coverage in larger air handlers

Safety Integration: Works in tandem with the gas valve to confirm the presence of a pilot flame before allowing main gas flow

as long as the primary and secondary voltages match

Honeywell 220736A Internal Auxiliary Switch Els PW 17895 and ZB modelsThe 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