preserving the lifecycle of the primary drive components and maintaining the overall efficiency of the air handler or furnace blower assembly

Industrial-Grade Safety: Equipped with a built-in pressure-sensitive interrupter to protect against internal failure and potential case rupture

000 BTU Direct Vent (DV) furnace models

Precise Pressure Calibration: Factory-set to open at 440 PSI to protect high-side components from extreme pressure spikes

Functional Devices RIBH1S Relay preserving the lifecycle of theThe Functional Devices RIBH1S is a high voltage, enclosed single pole single throw (SPST) normally open relay engineered for demanding building automation and light industrial control applications. This 20 Amp pilot control relay features a versatile multi voltage coil, accepting 10 30Vac dc or 208 277Vac inputs, making it a reliable choice for interfacing low voltage controllers with higher voltage loads such as fans, motors, or lighting circuits.