High Flow Capacity: The 1 1/4" NPT connection and robust internal porting provide the necessary Cv for large-scale residential and industrial heating demands

High Compatibility: Efficiently replaces Jard 4031M and other standard 40VA 24V transformers

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maintaining compatibility with existing 2-pole 40-amp circuit configurations

Crown Engineering 10034 Spring Coupler 323080-701 High Flow Capacity: The 1The Crown Engineering 10034 Spring Coupler is a heavy duty 1HP EasyLink power transmission component designed for high torque HVACR and industrial pumping applications. Engineered for precision and longevity, this spiral spring pump coupler features a 5 8" x 5 8" bore configuration and is built to absorb start up torque, protecting the motor and pump shaft from premature wear. As a critical oil burner motor coupling, it ensures a seamless mechanical