Enhanced Durability: Features a heavy-gauge rolled steel frame and pressure-cast aluminum end plates for structural integrity

System Efficiency: Minimizes standby heat loss by closing the damper during the off-cycle

preventing catastrophic pressure buildup

Once the system cools to the 35°F close point

Enhanced Fuel Efficiency: Precision-calibrated natural gas flow regulation prevents over-firing and reduces overall energy consumption

Resideo R4222D1013 Relay 318172-701 Enhanced Durability: Features a heavy-gaugeThe Resideo R4222D1013 Relay is a heavy duty, field proven switching solution designed for refrigeration, air conditioning, and industrial automation equipment. This 120V DPDT General Purpose Relay features a double pole, double throw contact configuration, allowing for simultaneous control of multiple circuits. Built with a laminated magnet construction for superior operating efficiency and an untaped coil for cooler performance under continuous