Direct OEM fitment for popular models including 50HC

Common Questions Is the Reznor 65978 compatible with all RX series units

As long as the motor utilizes a 1/2-inch shaft and the rotation direction matches the blade pitch

or line-voltage applications

Resideo ZD28X6TZ Damper R-410A Direct OEM fitment for popularThe Resideo ZD28X6TZ is a professional grade parallel blade zone damper engineered for high static residential and light commercial forced air systems. Measuring 28 inches wide by 6 inches high, this rectangular unit utilizes an extruded aluminum frame and blades to ensure structural rigidity and reduced bypass leakage. The integrated 24Vac synchronous motor is side mounted on the 6 inch dimension, providing a compact footprint for tight plenum