This robust proving switch features two independently adjustable SPDT snap-acting switches mounted on a single foot bracket

OEM Reliability: Guaranteed Copeland compatibility ensures a proper fit and consistent pressure rating compared to generic aftermarket alternatives

this 1-speed PSC (Permanent Split Capacitor) motor delivers a rated 75 CFM to maintain critical static pressure for safe flu gas exhaustion

If your application requires auxiliary signaling

reducing HVAC system downtime

Heil Quaker ICP 1190574 Motor 321042-401 This robust proving switch featuresThe Heil Quaker ICP 1190574 Motor is a high performance, 340VDC OEM replacement motor engineered for precision in HVAC condenser fan and blower applications. Specifically designed as the direct 1 3HP replacement for the HA42CZ232 motor, this component operates across a variable speed range of 300 1500 RPM at 250 Watts. As a veteran technician knows, maintaining the correct condenser air movement is critical to preventing system overheating and