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75" WC before condemning the switch
Field Serviceability: Features an integrated gauge port for accurate superheat and subcooling measurements during commissioning or troubleshooting
Durable Construction: Features a 1/2" NPT connection and corrosion-resistant housing for long-term reliability in demanding HVACR environments
2 microamp minimum flame-proving signal to ensure stable operation and includes a 60-minute retry delay after a lockout event
making it a direct-fit replacement for older or failed Honeywell and Lennox assemblies
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
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