• 4040 Solenoid Valve for Aprilaire Humidifiers 24V 1/4"

      4040 Solenoid Valve for Aprilaire Humidifiers 24V 1/4" Up for Sale is a Solenoid Valve for Aprilaire Humidifiers, stock number 4040. The valve is rated 24 Volts A/C, has 1/4" threaded compressions ends on both sides. Valve body is made of Brass and has a 3/32" orifice. Inlet and outlet ports are reversible to fit a wider variety of humidifiers. Mou ...  More $35.2
    • Aprilaire 4040 Solenoid Valve 24 Volt 24V Sealed New NIB

      If you have any questions please ask BEFORE bidding. Item must be returned in same condition as received. Opened, unsealed, or used items cannot be returned. If you received free shipping with purchase and return the item, original shipping cost will be deducted from refund amount. ALL ITEMS WITH FREE SHIPPING WILL SHIP FIRST CLASS IN BUBBLE MAILER ...  More $50.99
    • OEM 4040 AP-4040 Aprilaire Humidifier Water Solenoid Valve A2012-S118 24/60 VAC

      This is a BRAND NEW OEM 24 Volt Aprilaire Humidifier Water Solenoid Valve. Aprilaire part # 4040 (or AP-4040) and the Valve # is A2012-S118. 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. Thanks for looking and good luck! Visit our eBay Store ...  More $55.85
    • 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
    • #4040 Aprilaire Humidifier Solenoid Valve--DISCONTINUED

      #4040 Aprilaire Humidifier Solenoid Valve--DISCONTINUED This replacement solenoid valve is for Aprilaire Humidifier models 220, 224, 330, 400, 400A, 400M, 440, 500, 550, 550A, 558, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768. The #4040 solenoid valve includes a new inline strainer (pre-inserted in inlet side of valve), and a co ...  More $37.99
    • Generalaire Humidifier Solenoid GA 4040 Replacement for Aprilaire

      Opened box to take picture of valve, shipped in original packaging. Replacement humidifier solenoid for Aprilaire models 220, 224, 400, 440, 550, 550A, 558, 560, 560A, 568, 600, 760, 760A, 768, and 700. This valve operates on 24VAC. Both the inlet and outlet are threaded 7/16"-24 UNS for accepting a compression fitting for " tubing. The inlet inclu ...  More $31.88
    • Aprilaire 4040 - Humidifier 24V Water Solenoid Valve

      $42.75
    • APRILAIRE 4040 WATER SOLENOID VALVE 24 VOLT

      $43.96
    • Aprilaire Model 4040 1-24V Solenoid Valve Humidifier Part Free Shipping!

      $42.0
    • APRILAIRE RP 4040 Humidifier 24V Water Solenoid Valve Orifice Not Included NEW

      $26.99