this economizer control board optimizes ventilation and reduces mechanical cooling loads during favorable outdoor conditions

allowing for quick adjustments or system testing

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

Standard 24V Logic: Integrates seamlessly with existing 24V HVAC controls and standard transformer outputs

Functional Devices RIBM013PN Relay 340155-7026 this economizer control board optimizesThe 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