While it functions as a variable resistor

The Schneider Electric Erie AG24T020 is a high-performance two-position spring return actuator designed specifically for high-temperature applications in commercial HVAC systems

you avoid the common pitfalls of aftermarket coils

Reliable Coil Performance: The 208/240VAC coil is designed for low power consumption with a nominal 9

281") as some larger commercial V9/V11 models may require a different port kit

Antunes Controls 801111316 Pressure Switch 30067439-890 While it functions as aThe Antunes Controls 801111316 (Model JD 2 Grey) is a rugged, field adjustable air pressure switch designed for precision monitoring in commercial HVACR and industrial combustion systems. Engineered with a sensitive diaphragm and a die cast aluminum housing, this switch provides reliable differential pressure, vacuum, and positive pressure sensing across a range of 0. 1" to 4" W. C. (3mm to 102 mm). As a single pole double throw (SPDT) snap action