See Details Compare OEM Reznor Furnace Air Pressure Switch Replaces Honeywell REZ-201159 201159 IS22140081L5051 Fits Reznor MSRP: Now: $58.95 Was: This is a BRAND NEW Honeywell Gas Furnace Air Pressure Switch. The HoneywellModel # is IS22140081L5051 (Reznor # is REZ-201159 & 201159 ). It has two wiring terminals and two hose ports... MSRP: Now: $58.95 Was: See Details Compare