Air Pressure Switches

This is a BRAND NEW Gas Furnace 2-Stage Air Pressure Switch. It is designed to replace old Lennox/Armstrong/Ducane part #s listed below. One switch is rated at .20" with one hose port and one wiring terminal and the other switch is rated at .40" with...

This is a BRAND NEW Gas Furnace 2-Stage Air Pressure Switch. It is designed to replace old Lennox/Armstrong/Ducane part #s listed below. One switch is rated at .20" with one hose port and one wiring terminal and the other switch is rated at .40" with...

This is a BRAND NEW Gas Furnace 2-Stage Air Pressure Switch. It is designed to replace old Lennox/Armstrong/Ducane part #s listed below. One switch is rated at .20" with one hose port and one wiring terminal and the other switch is rated at .40" with...

This is a Brand New OEM Upgraded Source1 Furnace Air Pressure Switch. Source1 is the OEM source for all parts used in York, Coleman, and Luxaire HVAC equipment. It is rated at 0.90" w/c with two wiring terminals and two hose ports. It is an OEM Upgrade...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .35" w/c and the other is rated at .60". Thanks for looking and good luck!Function:An air switch is safety designed to ensure that your...

This is a Brand New OEM Upgraded 2 Stage Lennox/Armstrong/Ducane furnace air pressure switch. One switch is rated at .35" w/c and the other is rated at .60". 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 .35" w/c and the other is rated at .60". 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 .35" w/c and the other is rated at .60". 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...

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...