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The B73 is a wrapped belt designed for smooth operation and tolerance to debris
with a fluid temperature range of 35°F to 284°F
it is typically paired with a Tjernlund PS1503 Duct Airstat
The 1/2-inch shaft and integrated 3-mounting arm configuration simplify field installation for contractors
making it a standard replacement for contractors seeking a field-proven adjustable pressure switch that maintains calibration over long-term operation
Functional Devices RIBHX24BF Switch 318423-701 The B73 is a wrappedThe Functional Devices RIBHX24BF is a professional grade enclosed relay and current sensor combination engineered for seamless integration into building automation systems and HVACR applications. This 20 Amp SPST N O relay features an internal fixed AC current sensor with a 0. 25 to 20 Amp sensing range, allowing technicians to verify motor status or load performance without installing separate components. The unit operates on a 24 Vac dc coil,
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