Pay in 4 interest-free payments of $31.91 Learn more
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
High Close-Off Pressure: Engineered to provide a tight shut-off up to 122 PSI
Maintenance-Free: Factory calibrated with a platinum PTC sensing element that maintains accuracy over time without manual adjustments
the sensor wire is likely the failure point
and function for a drop-in replacement
ZoneFirst AOBD-20X10 Damper 320788-703 High Close-Off Pressure: Engineered toThe ZoneFirst AOBD 20X10 Damper is a professional grade automatic opposed blade damper engineered for precision bypass and zone control in high demand residential and commercial ductwork. This 20" wide by 10" high unit features an anodized extruded aluminum frame and blades, ensuring a low profile footprint that fits into 3 inch slots for streamlined side mount installation. Each blade is connected via a stainless steel draw bar and nickel plated
US$ 39.00
US$ 40.00
US$ 60.00
