and Payne often share components

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

Is the power element replaceable on the 130797

rectified 24 VAC output to drive stage

063 bore size matches the charging chart on the outdoor unit's data plate

ZoneFirst AOBD-20X10 Damper 322838-754 and Payne often share componentsThe 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