A front-accessible recalibrator screw allows for field adjustments

Whether you are addressing "limit switch open" fault codes or performing seasonal HVAC maintenance

Utilizing a high-quality gas furnace burner orifice prevents common manifold pressure fluctuations and protects the system from the inefficiencies typical of generic or improperly sized alternatives

the AFS-222-112 is suitable for air and combustion by-products that do not degrade its internal silicone diaphragm

ensure that the set screws on the crank arm or ball joint are seated firmly against the rod

Antunes Controls 8224212025 Pressure Switch Els PW 17895 A front-accessible recalibrator screw allowsThe Antunes Controls 8224212025 is a high precision Model ADPRO 900 air differential pressure switch designed for monitoring airflow in commercial HVACR and industrial combustion systems. This SPDT pressure switch features an adjustable set point range from 0. 05" to 9. 0" W. C., providing reliable sensing for positive, vacuum, or differential pressures. Built for robust field performance, it includes a bottom 1 4" male NPT connection and a side 1 4"