This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 93W94 (also 103614-09 & 10361409 ) & the Honeywell # is 9371DO-BS-0036. It is rated at 0.90" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Thanks for looking and good luck!
Partial List of Lennox/Armstrong/Ducane Units that use this Item:
ODHA125D5-1 ODHA125D5 ODFB125-D5-1