Built for durability in demanding mechanical rooms

For service technicians in the field

supplemented by an orange running indicator dial for immediate operational verification

A419 and A421 electronic controls

and 30CHDE series

York 024-34681-000 Pressure Switch Els PW 17895 Built for durability in demandingThe York 024 34681 000 Pressure Switch is a critical safety component designed for precise monitoring of pressure differentials in York HVAC systems. This OEM York replacement part features a reliable Normally Open (N O) contact configuration with specific set points of . 85 1. 0 . 40" WC. Engineered to ensure proper drafting and combustion blower operation, this differential pressure switch prevents the heating cycle from initiating if hazardous