York S1-024-27632-001 Pressure Switch 24V enclosed fan relay designed

24V enclosed fan relay designed for demanding HVAC switching applications

eliminating the need for patching

preventing incomplete combustion and soot buildup in the heat exchanger

this internal component allows for quick field verification

York S1-024-27632-001 Pressure Switch 24V enclosed fan relay designedThe York S1 024 27632 001 Pressure Switch is a critical safety component designed for specific HVAC pressure monitoring applications. This factory authorized part is engineered with a setpoint of 0. 4" WC (Water Column) and utilizes a Single Pole Normally Open (SPNO) internal contact configuration. Unlike standard switches, this unit is built to close on a fall in pressure, ensuring precise control and system protection during negative pressure