the Hall Effect sensor within this assembly is likely the culprit

Field Adjustable: Selectable heat/cool fan delays allow for precise airflow tuning based on specific ductwork requirements

and PA225 gas-fired unit heaters

For proper mechanical potential relay operation

It maintains the same 24V floating signal requirements for seamless integration

York S1-373-06660-000 Tube R-22 the Hall Effect sensor withinFor service technicians maintaining York and Johnson Controls heating systems, the York S1 373 06660 000 Gas Pilot Tube is the direct OEM solution for restoring reliable ignition. This GV HW tube assembly is precision engineered to transport fuel from the gas valve to the pilot burner, ensuring a stable flame for proper thermocouple excitation. Designed specifically for compatibility with the D1HG048N06025EBA model and broader GV HW furnace platforms,