The SML air pressure switch features a sensitive diaphragm to detect changes in air pressure. Easy to install and reliable, this switch is available in two range scales and with an optional neon light indicator.

  • Sensitive diaphragm
  • Snap-action electrical switch, S.P.D.T. rated at 10 amps
  • Cost-effective pricing
  • Custom design per OEM specifications available

This item is available in the following models:

SwitchModelRangeAdjustableCompression FittingsIndividually Boxed
SML82212100340.05" to 1" W.C.YesYesNo
SML82242120210.05" to 9" W.C.YesYesYes

View Owner’s Manual for all SML Models | View Spec Sheet for all SML Models