York S1-024-35274-000 Pressure Switch Els PW 17895 inducer orifices are sized specifically

inducer orifices are sized specifically to the BTU rating and blower capacity of the furnace

Engineered for Class H insulation

For spring-return actuators like the AF or NF series

Common Questions Is the ZG-NM4 compatible with older NM actuators

York S1-024-35274-000 Pressure Switch Els PW 17895 inducer orifices are sized specificallyThe York S1 024 35274 000 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high efficiency York, Coleman, and Luxaire gas furnaces. This OEM York furnace pressure switch features a Single Pole Normally Open (SPNO) configuration and is factory calibrated to a . 2 . 4 inch water column set point. Designed as a close on fall air pressure switch, it ensures the draft inducer motor is moving sufficient combustion