Resideo ZD22X12TZ Damper 328140-751 Replacing the unit with a

Replacing the unit with a genuine OEM part restores the required stable voltage signal

this unit is designed for continuous duty in residential or light commercial systems where motor cooling is provided by the blower's airstream

which prevents premature failure in rooftop units and high-demand blowers

this 24V single pole contactor delivers the reliable arc suppression and terminal integrity required to maintain system uptime and protect compressor windings from premature failure

this keypad is specifically designed for Copper-Fin II pool heaters

Resideo ZD22X12TZ Damper 328140-751 Replacing the unit with aThe Resideo ZD22X12TZ Damper is a professional grade 22" Wide X 12" High Parallel Blade Zone Damper engineered for high static pressure applications. Built with a heavy duty extruded aluminum frame and blades, this 24Vac zone damper features a Power Closed Spring Return Open configuration, making it the ideal choice for systems requiring a fail safe open position. The integrated synchronous motor is side mounted on the 12 inch dimension, providing