Nordyne 632550R Pressure Switch 320788-704 this genuine OEM York HVAC

this genuine OEM York HVAC part ensures physical port alignment and brazing compatibility without the need for field modifications or line re-piping

the McDonnell & Miller 302500 is specifically sized for the Series 63 and E-28

Ensure your client's hydronic heating system achieves peak reliability with this durable

this part is often compatible with AirEase and Ducane units that share the same technical specifications

the liquid-filled sensing bulb and capillary system are designed to maintain repeat accuracy regardless of cross-ambient temperature fluctuations

Nordyne 632550R Pressure Switch 320788-704 this genuine OEM York HVACThe Nordyne 632550R Pressure Switch is the genuine OEM replacement for the legacy 632550 model, specifically engineered for high efficiency Nordyne furnace units and related HVAC systems. As a critical safety component, this normally open (NO) pressure switch is factory calibrated to a 1. 0" WC make and 0. 7" WC break setpoint. It utilizes a negative pressure diaphragm to verify the draft inducer motor is generating sufficient static pressure before