Zonefirst ZDS-22X14 22WX14H Parallel 24V 2-Pos S/R R-410A Technical FAQ:

Technical FAQ:

protecting the motor bearings and increasing system longevity

Engineered to prevent air infiltration and maintain the primary trap seal

allowing for remote mounting of the control dial relative to the sensing bulb site

Zonefirst ZDS-22X14 22WX14H Parallel 24V 2-Pos S/R R-410A Technical FAQ:The Zonefirst ZDS 22X14 is a professional grade side mount rectangular zone damper engineered for high static residential and commercial air handling systems. Featuring a 22 inch width by 14 inch height configuration, this parallel blade damper is constructed from heavy duty extruded aluminum with mitered corners for maximum structural rigidity. The unit operates on a 24V two wire system, utilizing a power close spring return (S R) actuator that