Resideo ZD8X20TZ Damper R-22 or the boiler short-cycling because

or the boiler short-cycling because the flame sensor cannot detect a steady signal

and dehumidification

in modern HVACR service

5" WC (Water Column) outlet pressure

Simplified Installation: Standard 1/4-inch compression fittings facilitate quick integration into existing antunes controls air switch piping setups

Resideo ZD8X20TZ Damper R-22 or the boiler short-cycling becauseThe Resideo ZD8X20TZ is a heavy duty, rectangular zone damper specifically engineered for professional HVAC zoning applications. Measuring 8 inches wide by 20 inches high, this parallel blade damper is constructed with an extruded aluminum frame and blades to ensure long term structural integrity in high velocity systems. It features a high torque 24VAC synchronous motor mounted on the 20 inch side, providing a power closed spring return open