Operating Range Options: 0‑2 in W.C. or 0‑12 in W.C.
UL, CSA
Max Pressure: 1/2 psi
The AFS Series provides a general purpose proving switch designed for package burner, furnace, fuel‑burning equipment, HVAC and other Energy Management applications. It may be used to sense positive, negative, or differential air pressure. The plated housing contains a diaphragm, a calibration spring and a snap‑acting SPDT switch.
