Air Pressure Switches

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 93W86 & the Honeywell # is 9371DO-BS-0028. It is rated at 0.65" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Function:An air switch is safety...

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 Air Pressure Switch. The Part # is 12W53 (also 12W5301 20293411 R20293411 & Honeywell # IS20151-3439) & it is rated at 1.52" W/C PF. Switch has 2 hose ports and 2 wiring terminals. 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 OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 49L90 (also49L9001 ) & the Honeywell # is IS20100-3072. It is rated at 0.47" 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 57M67 (also 57M6701 20293416 & Honeywell # IS22171091S5083) & it is rated at 1.71" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Function:An air switch...

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...