the P70DA-63—which is technically identical to the P70DA-63C—is engineered to handle the corrosive nature of ammonia through specialized internal components

causing the capacitor to overheat

Key Benefits: Engineered for Reliability: Features automatic reseating and a reinforced stainless steel spring for repeatable performance

ensuring that the 160°C thermal cutoff functions within factory parameters to prevent safety hazards

While the body has a higher maximum allowable pressure (PMA) of 250 psig

York S1-025-50869-000 Pressure Switch 323613-751 the P70DA-63—which is technically identicalThe York S1 025 50869 000 Pressure Switch is a critical safety component designed for precise HVAC furnace combustion monitoring. Engineered to detect proper inducer motor operation, this atmospheric pressure switch ensures that the venting system is clear of obstructions before allowing the ignition sequence to proceed. As a genuine OEM York replacement part, it features a factory calibrated set point of 0. 10" WC, maintaining the tight tolerances