Resideo MARD-12 Damper 340155-7024 This replacement diaphragm is manufactured

This replacement diaphragm is manufactured to the exact tolerances required for Enviro-tec equipment

Physical signs include visible metal shavings (pitting) or excessive play in the blower shaft

and HE360B variants

this 16-inch diameter component features a 29-degree pitch and a 3-blade configuration

Resideo MARD-12 Damper 340155-7024 This replacement diaphragm is manufacturedThe 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