Air Pressure Switches

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .25" w/c and the other is rated at 1.00". Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .25" w/c and the other is rated at 1.00". Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .25" w/c and the other is rated at 1.00". Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .25" w/c and the other is rated at 1.00". Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .25" w/c and the other is rated at 1.00". Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .25" w/c and the other is rated at 1.00". Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded Lennox/Armstrong/Ducane furnace air pressure switch. It is rated at -.68" w/c and has two wiring terminals and one hose port. Thanks for looking and good luck!Function:An air switch is safety designed to ensure that your...

This is a Brand New OEM Upgraded Lennox/Armstrong/Ducane furnace air pressure switch. It is rated at -.68" w/c and has two wiring terminals and one hose port. Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded Lennox/Armstrong/Ducane furnace air pressure switch. It is rated at -.68" w/c and has two wiring terminals and one hose port. Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded Lennox/Armstrong/Ducane furnace air pressure switch. It is rated at -.68" w/c and has two wiring terminals and one hose port. Function:An air switch is safety designed to ensure that your inducer motor is running at the...

This is a Brand New OEM Upgraded Honeywell furnace air pressure switch. It is rated at -.10" w/c and has two wiring terminals and one hose port. Thanks for looking and good luck!Function:An air switch is safety designed to ensure that your inducer motor...

OEM Furnace Air Pressure Switch Replaces Honeywell is safety designed to ensure that your inducer motor is running at the proper RPM, and creating the proper vacuum for your furnace to flue safely.Replaces Old Part #s:IS20164-6021Repair Difficulty...