this HVAC inducer pressure switch (MPN S1-02435274000) provides a direct fit for 2-stage variable speed downflow and horizontal units

With selectable direct or reverse acting modes via internal jumpers

such as temperature or pressure

mounting subplates

this adjustable air pressure sensing switch delivers precise control without the nuisance tripping often associated with fixed-rate alternatives

Burnham Boiler 609600011 Port Kit Els PW 29614 this HVAC inducer pressure switchThe Burnham Boiler 609600011 Rear Observation Port Kit is a direct OEM replacement component engineered specifically for Burnham V9 and V11 series cast iron boilers. This boiler observation port assembly allows technicians to perform critical visual inspections of the combustion chamber and flame pattern without compromising the pressure vessel's integrity or thermal seal. Constructed with high temperature gaskets and a durable viewing glass, this kit