Rugged Construction: Built to withstand the environmental demands of mechanical rooms and industrial plants

This high-precision furnace pressure switch monitors the combustion blower's performance

providing the necessary bridge between specialized compressor ports and standard 1-1/8" or 1-3/8" tubing sizes

Technicians often perform a continuity test with a multimeter or use an inline spark tester

Eaton Cutler-Hammer D15CR31AB Relay 320734-701 Rugged Construction: Built to withstandThe Eaton Cutler Hammer D15CR31AB is a heavy duty industrial control relay engineered for rigorous HVACR and motor control applications. Operating on a 120V 60Hz coil (110V 50Hz), this 4 pole magnetic relay features a specific 3NO 1NC contact configuration (3 Normally Open 1 Normally Closed). Rated for 10A continuous thermal current, the D15 series is the standard for multipole relays requiring high reliability in inductive load switching. The compact