the bracketry on the BM-8072 is specifically aligned for Hydrotherm boiler chassis

this assembly facilitates the vital mechanical link between the float arm and the valve sealing mechanism

Always refer to the connection diagram on the nameplate to ensure correct rotation and phase balancing during installation

rectified 24 VAC output to drive stage

Is the power element replaceable on the 130797

ZoneFirst AOBD-20X10 Damper 322838-754 the bracketry on the BM-8072The 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