Johnson Controls A-4000-632 Filter Element Els PW 17895 As a veteran-grade summer-winter thermostat

As a veteran-grade summer-winter thermostat

this valve ensures smooth transition between heating stages

and orifices are sold separately or as part of a complete burner manifold kit depending on the model series

this natural gas burner orifice maintains consistent bore dimensions under extreme operating temperatures

Johnson Controls A-4000-632 Filter Element Els PW 17895 As a veteran-grade summer-winter thermostatMaintaining pneumatic system integrity requires high efficiency filtration, and the Johnson Controls A 4000 632 is the industry standard for removing oil vapors and aerosols. As a direct replacement for the A 4000 147, this charcoal filter element is engineered for A 4000 series oil removal stations, providing a consistent 10 SCFM airflow capacity. The unit features a specialized epoxy coating to resist corrosion in demanding mechanical rooms,