Air Pressure Switches

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is 52M40 (also 20011142 ) and the Honeywell p

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 57W83 (also57W8301 ) & the Honeywell # is IS20344-5604. It is rate

This is a BRAND NEW Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is R102614-01 (also part # 102614-01) and the Honeywe

This is a BRAND NEW Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is R102614-01 (also part # 102614-01) and the Honeywe

This is a BRAND NEW OEM Upgraded Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The switch is rated at -0.40" w/c and has 2 wiring terminals with one hose

This is a BRAND NEW OEM Upgraded Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The switch is rated at -0.40" w/c and has 2 wiring terminals with one hose

This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace 2-Stage Air Pressure Switch. The Part # is 63W40 (also 10252901 & 1025290-01 ). One switch is rated at .2

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 12W48 (also 12W4801)& the Honeywell # is IS20362-5703. It is rated

This is a BRAND NEW Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is R102614-01 (also part # 102614-01) and the Honeywe

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 12W48 (also 20558701)& the Honeywell # is IS20362-5703. It is rate

This is a BRAND NEW Furnace Air Pressure Switch. It is designed to replace the now obsolete Lennox/Armstrong/Ducane/Honeywell air switches with part #s IS20151-3

This is a BRAND NEW Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch! The Rheem/WKing/Corsaire/RUUD Part # is 42-24194-82 (KIT) Pressure Switch P