Zonefirst AOBD-12X12 Blade Damper Els PW 17895 75" WC before condemning the

75" WC before condemning the switch

Common Questions Is the 22-100000-663 used for both ignition and sensing

often cross-referenced as VAL08358

Durable Construction: Features a 1/2" NPT connection and corrosion-resistant housing for long-term reliability in demanding HVACR environments

the HH79NZ013 is the official superseding part number for the HH79NZ037

Zonefirst AOBD-12X12 Blade Damper Els PW 17895 75" WC before condemning theThe Zonefirst AOBD 12X12 is a professional grade 12" x 12" automatic opposed blade damper designed to provide precise airflow management in commercial and residential HVAC zoning systems. Constructed from heavy duty extruded anodized aluminum, this damper features a low profile frame that allows for simple "slide in" installation through a standard 3 inch duct slot. Unlike parallel blade dampers, the opposed blade action provides a linear airflow