Resideo MARD-12 Damper R-22 This DD11-10 squirrel cage blower

This DD11-10 squirrel cage blower wheel features a 1/2 inch bore and a clockwise (CW) rotation when viewed from the hub end

The 8215G63 is a normally open valve typically used for venting

This ensures that any frost on the evaporator has melted

What happens to my settings if the 110 Vac power is disconnected

failure of the outdoor fan to kick on

Resideo MARD-12 Damper R-22 This DD11-10 squirrel cage blowerThe Resideo MARD 12 Damper is a professional grade 12 inch round modulating damper designed for high performance HVAC zoning and bypass control. Built with heavy duty 22 gauge galvanized steel, this three wire motorized damper is engineered for longevity in both residential and light commercial mechanical systems. It features a 24Vac floating actuator that provides precise control, with a 90 second motor timing for full stroke transition from open to