• Universal Aprilaire General Humidifier Water Solenoid Valve 4040 AP-4040 990-53

      This is a BRAND NEW Universal 24 Volt Humidifier Water Solenoid Valve. It Replaces Aprilaire part # 4040 (or AP-4040 and General part # 990-53. Thanks for looking and good luck! Visit our eBay Store: NorthAmericaHVAC This Item is used in Aprilaire Humidifier Models: 20, 224, 400, 440, 500, 550, 558, 560, 568, 600, 700, 760, 768 On Mar-28-12 at 18:0 ...  More $49.99
    • Aprilaire / Generalaire 4040 Humidifier Solenoid Valve

      Aprilaire / Generalaire 4040 Humidifier Solenoid Valve Product Description Aprilaire part numbers 4040, 4040-RR, 4040RR Fits Aprilaire models 110, 112, 220, 224, 440, 550, 550A, 550-A,558, 560, 560A, 560-A, 568, 600, 760, 760A, 760-A, 768, 700. Fits Some 350, 360 Models That Use 24/60 Volt Solenoid Valves. If it uses a 12 Volt Solenoid, then this v ...  More $34.65
    • Aprilaire 4040 Generalaire Humidifier 24v Water Solenoid Valve- 3 Pack

      Aprilaire 4040 Generalaire Humidifier 24v Water Solenoid Valve- 3 Pack Product Description Aprilaire part numbers 4040, 4040-RR, 4040RR Fits Aprilaire models 110, 112, 220, 224, 440, 550, 550A, 550-A,558, 560, 560A, 560-A, 568, 600, 760, 760A, 760-A, 768, 700. Fits Some 350, 360 Models That Use 24/60 Volt Solenoid Valves. If it uses a 12 Volt Solen ...  More $95.56
    • 4040 SOLENOID

      Original Aprilaire #4040 replacement solenoid valve. Replacement solenoid value for Aprilaire Humidifier models 220, 224, 400, 440, 500, 550, 558, 560, 568, 600, 700, 760, 768. The #4040 soleniod valve includes a new inline strainer (pre-inserted in inlet side of valve), and a compression nut & washer for the inlet side only. 24 VAC PLEASE MAKE ...  More $40.0
    • Furnace Humidifier Solenoid Valve General Aprilaire 4040 Replacement Valve

      Furnace Humidifier Solenoid Valve General Aprilaire 4040 Replacement Valve Product Description Furnace Humidifier Solenoid Valve General Aprilaire 4040 Replacement ValveFeatures: Aprilaire part numbers 4040, 4040-RR, 4040RR Fits Aprilaire models 110, 112, 220, 224, 440, 550, 550A, 550-A,558, 560, 560A, 560-A, 568, 600, 760, 760A, 760-A, 768, 700. F ...  More $34.65
    • Aprilaire 4040 - Humidifier 24V Water Solenoid Valve

      Need Help? : 800 776 3432 Aprilaire 4040 - Humidifier 24V Water Solenoid Valve GET IT EVEN FASTER ... Upgrade to 2-day shipping for only $1.99 ! Aprilaire 4040 - Humidifier 24V Water Solenoid Valve Product Description Original Aprilaire #4040 replacement solenoid valve. Note: Valve styles may vary. 24 VAC 2.3 Watts Replacement solenoid value for Ap ...  More $68.61
    • Aprilaire 4040 Humidifier Solenoid Valve

      $56.0
    • Aprilaire 4040 Replacement Humidifier Solenoid

      $31.75
    • Lennox Solenoid Valve for Healthy Climate Humidifiers - Old Style

      $54.88
    • Aprilaire #4040 Solenoid

      $54.88