Air Pressure Switches

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.45". It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.85. It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch. It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating the...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.85". It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.85". It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.70. It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch -0.70" WC. It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.70". It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.86. It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch -0.86" WC. It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.86". It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch 0.86". It replaces the part numbers listed below.Function:An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating...