• Tridelta Furnace Air Pressure Switch FS4171-145 20537-057 A20537-060-5 .45" W/C

      This is a BRAND NEW Tridelta Gas Furnace Air Pressure Switch. The Tridelta Model # is FS4171-145 (also part # 20537-057 & A20537-060-5). It is rated at .45" w/c. The switch has two wiring terminals and one hose port. Thanks for looking and good luck! Visit My eBay Store: NorthAmericaHVAC The switches are new, but quite dirty from sitting around ...  More $24.99
    • Rheem RUUD Furnace Air Pressure Switch 42-101480-01 .35

      This is a BRAND NEW Honeywell Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch!! The Rheem/WKing/Corsaire/RUUD Part # is 42-101225-01 and IS20341-5656 (Also replaces old part # 42-101480-01) and It's rated at 0.35" W/C. It has two wiring terminals and one hose ports! Thanks for looking and good luck! Visit My eBay Store: NorthAmeric ...  More $57.99
    • Rheem RUUD Furnace Air Pressure Switch 42-101443-89 .45

      This is a BRAND NEW Honeywell Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch!! The Rheem/WKing/Corsaire/RUUD Part # is 42-101443-89 (also part # 42-101443-09 and IS20346-5633) and It's rated at 0.45" W/C. It has three wiring terminals and one hose port! This switch replaces all the old part #s listed below. Thanks for looking and ...  More $53.99
    • Rheem RUUD Furnace Air Pressure Switch 42-21582-03 .45

      This is a BRAND NEW Honeywell Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch!! The Rheem/WKing/Corsaire/RUUD Part # is 42-101443-89 (also part # 42-101443-09 and IS20346-5633) and It's rated at 0.45" W/C. It has three wiring terminals and one hose port! This switch replaces all the old part #s listed below. Thanks for looking and ...  More $53.99
    • Rheem RUUD Furnace Air Pressure Switch 42-21582-09 .45

      This is a BRAND NEW Honeywell Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch!! The Rheem/WKing/Corsaire/RUUD Part # is 42-101443-89 (also part # 42-101443-09 and IS20346-5633) and It's rated at 0.45" W/C. It has three wiring terminals and one hose port! This switch replaces all the old part #s listed below. Thanks for looking and ...  More $53.99
    • Rheem RUUD Furnace Air Pressure Switch 42-21582-89 .45

      This is a BRAND NEW Honeywell Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch!! The Rheem/WKing/Corsaire/RUUD Part # is 42-101443-89 (also part # 42-101443-09 and IS20346-5633) and It's rated at 0.45" W/C. It has three wiring terminals and one hose port! This switch replaces all the old part #s listed below. Thanks for looking and ...  More $53.99
    • TRIDELTA TRIDELTA FS6075-640 GAS FURNACE PRESSURE SWITCH HQ1445593TR 1445593

      $50.0
    • Rheem RUUD Furnace Air Pressure Switch 42-24387-03 0.80 Weather King Corsaire

      $49.99
    • Rheem RUUD Furnace Air Pressure Switch 42-24196-05 1.50

      $49.99
    • Rheem Ruud Weather King Furnace Air Pressure Switch 42-101233-81 .35 -0.35" W/C

      $47.99