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This Photohelic pressure switch utilizes phototransistor-actuated DPDT relays
Contractors rely on this general-purpose motor for its 1
and belt-driven compressors where reliability is critical
Installation is efficient with the 1/4-inch quick-connect terminals
Loren Cook 778531 Belt Tensioner 320720-756 This Photohelic pressure switch utilizesThe Loren Cook 778531 Belt Tensioner is a critical OEM replacement part engineered to maintain precise drive belt tension in commercial HVACR systems. Designed for heavy duty fan and blower assemblies, this automatic tensioner utilizes a internal spring mechanism to eliminate belt slippage and reduce vibration during startup and continuous operation. As a veteran grade HVAC drive component, it facilitates optimal power transmission between the motor
