Air Pressure Switches

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 49L91 (also49L9101 ) & the Honeywell # is IS20100-3073. It is rated at 0.51" W/C PF. Switch has 1 hose port and 2 wiring terminals. Function:An air switch is...

This is a BRAND NEW Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is R45696-002 (also part # 45696-002) and the Honeywell part # is IS20103-3139. Switch is rated at -0.70" w/c and has 2 wiring terminals with two...

This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 92L21 (also 92L2101 20293412 & Honeywell # IS20151-3440) & it is rated at 1.61" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Function:An air switch is...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is 52M40 (also 52M4001) and the Honeywell part # IS20152-3437). It's rated at 0.60" W/C PF with 1 hose ports and 2 wiring terminals...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 80W57 (also 10324709 & 103247-09 ) & the Honeywell # is 9371VO-HS-0147. It is rated at 0.65" W/C PF. Switch has 1 hose port and 2 wiring terminals. Function:An...

This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace 2-Stage Air Pressure Switch. The Part # is R102613-02 (also 9370DO-HD-0004 ). One switch is rated at .45" with two hose ports and two wiring terminals and the other switch is rated at 1.00" with...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 57M66 (also57M6601 ) & the Honeywell # is IS22141081S5082. It is rated at 1.41" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Function:An air switch...

This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace 2-Stage Air Pressure Switch. The Part # is 63W40 (also 63W4001 & Honeywell # 9370VO-HD-0001). One switch is rated at .20" with one hose port and one wiring terminal and the other switch is rated at ...

This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace 2-Stage Air Pressure Switch. The Part # is 69W56 (also 69W5601). One switch is rated at .25" with one hose port and one wiring terminal and the other switch is rated at .60" with. Function:An air...

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 rated at 0.10" W/C PF. Switch has 1 hose port and 2 wiring terminals. Function:An air switch is...

This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 92L21 (also 92L2101 20293412 & Honeywell # IS20151-3440) & it is rated at 1.61" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Function:An air switch is...

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 80W52 (also80W5201) . It is rated at 0.60" W/C PF. Switch has 1 hose port and 2 wiring terminals. Function:An air switch is safety designed to ensure that your...