this coupler provides the exact tolerances required to maintain system hydraulic efficiency and quiet operation in residential or light commercial boiler loops

maintaining the same physical dimensions and seat alignment

Will this fix a Code 31 or 32 on a Carrier furnace

allowing for quick adjustments or system testing

Always verify the part number in the service manual

Functional Devices RIBM013PN Relay 340155-7026 this coupler provides the exactThe Functional Devices RIBM013PN is a heavy duty 3PDT track mount relay engineered for high current switching in demanding HVACR and industrial automation environments. This enclosed power relay features a 120 Vac coil and is rated for 30 Amp resistive loads, making it a reliable solution for controlling multi phase motors, large electric heaters, or high density lighting circuits. The triple pole double throw configuration allows for complex circuit