Daikin-McQuay 300051594 Pressure Switch 323613-751 If your existing unit uses

If your existing unit uses a 16-pin harness and matches the 1/2 HP rating

maintaining position upon power loss to prevent sudden system shifts

Constructed from high-grade brass and copper components

Standard 1/4" barbed port for fast pneumatic line connection

Daikin-McQuay 300051594 Pressure Switch 323613-751 If your existing unit usesThe Daikin McQuay 300051594 Pressure Switch is a critical dual stage air pressure control designed for precise monitoring in commercial HVACR applications. This differential air pressure switch operates within a specific setpoint range of 1. 10" WC to 0. 35" WC, ensuring that the inducer motor maintains the required vacuum and RPM for safe flue gas venting. As a genuine OEM Daikin replacement part, it provides high accuracy sensing to prevent system