[Lifetime Warranty] B2015-S85 B2017-S85 4040 24V Humidifier Solenoid Valve
Lifetime Warranty

[Lifetime Warranty] B2015-S85 B2017-S85 4040 24V Humidifier Solenoid Valve

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B2015-S85 B2017-S85 4040 24V Humidifier Solenoid Valve

Key Features

  • Electrical Rating: 24 Volts, 2.3 Watts, 60 Hz
  • Construction: Durable brass body
  • Inlet: Threaded with an integrated strainer screen to filter debris
  • Function: Controls water flow to the humidifier distribution tray

Replaces / Cross-Reference Part Numbers

  • 4040
  • B2015-S85
  • B2017-S85
  • 4040-001

Compatibility & Fitment

  • Fits Aprilaire humidifier models including the 200, 400, 500, 600, and 700 series.
  • Specific compatible models include: 220, 224, 400A, 400M, 440, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768

When to Replace

  • Humidifier fails to produce humidity due to lack of water flow.
  • Water continuously runs or leaks from the valve when closed.
  • Valve produces a loud buzzing or humming sound but does not open.
  • Visible cracks, corrosion, or damage to the valve body or electrical connections.

Installation Tips

  • Disconnect power to the furnace and shut off the water supply before starting.
  • Note the orientation of the old valve and install the new one in the same direction of water flow.
  • Use pipe thread sealant on male threads for a leak-free connection. Do not overtighten.
  • After installation, turn the water supply back on and check for leaks before restoring power.
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  • COMPATIBLE MODEL

    COMPATIBLE MODEL

    This 4040 Humidifier Water Solenoid Valve includes a compression nut, a washer, and an inline strainer.
  • PREMIUM QUALITY

    PREMIUM QUALITY

    Our Water Solenoid Valve is manufactured from rustless Metal & Brass materials, meeting or exceeding standards for durability and performance.
  • SAVING SOLUTION

    SAVING SOLUTION

    It fixed the issue with the old valve not shutting off or water running continuously. BlueStars brings DIY solutions to help deal with any trouble.
  • IMPORTANT NOTE

    IMPORTANT NOTE

    This is a replacement part designed to be compatible with certain appliances. Any brand names mentioned are used solely to indicate compatibility.
CONNECTING LIVES, ENERGIZING MOMENTS

CONNECTING LIVES, ENERGIZING MOMENTS

Compatible with Aprilaire Whole House Humidifier models 400, 400M, 500, 500M, 600, 600M, 558, 550A, 550, 568, 560A, 560, 700, 700M, 768, 760A, 760, etc (Note: Please check the measures and your appliance model carefully before purchasing to ensure that you receive the correct part)
4 SIMPLE STEPS

4 SIMPLE STEPS

1. Turn off the power and shut off the water valve supplying the humidifier; 2. Disconnect the 2 wires attached to the old solenoid valve; 3. Unscrew inlet/outlet compression nuts using 1/2in and 7/16in wrenches. Remove the old valve with a Phillips head screwdriver; 4. Install the new valve and reconnect water lines (Note: Please follow the arrows for flow direction (important during winter to prevent freezing in the lines))
#1 SOURCE OF HIGH-QUALITY REPLACEMENT PARTS

#1 SOURCE OF HIGH-QUALITY REPLACEMENT PARTS

Enjoy the comfort that our small yet mighty parts bring to your home