Pokin 4040 Humidifier Solenoid Valve Suitable For Aprilaire Replacement Parts

Proper humidification is very important to protect the healthy life of you and your family.This for Aprilaire 4040 Solenoid Valve controls the amount of water that enters your Aprilaire Whole House Humidifier, ensuring that the right amount of humidity is delivered into the air every time it turns on. 4040 Solenoid Valve is part of the core of Whole House Humidifier, making it possible for you to adjust moisture levels with precision and accuracy.

Fits models： 220, 224, 400, 400A, 400M, 440, 500, 500A, 500M, 550, 550A, 558, 560, 560A, 600, 600A, 600M, 700, 700A, 700M, 760 and 768

Specifications :

24 Volts，2.3 Watts，60Hz
MOPD: 125
Orifice: 3/32
Both the inlet and outlet are threaded 7/16"-24 UNS for accepting a compression fitting for ¼" tubing.

Package includes：

- compression nut, washer and strainer.
- The inlet includes the compression fitting ferrule.
- For the outlet, your existing compression fitting is reused.
- Material: Brass body and stainless steel valve seat
Installation steps:

Tools needed for installation：Adjustable wrench，Phillips head screwdriver
1. Disconnect the humidifier and shut off the water supply to the unit.
2. Remove the solenoid. Unclip the wires from the solenoid. Using the adjustable wrench to unscrew the compression nut and then remove the distributor and tubeLet remaining water drain into the plastic container. Disconnect the water supply. Use a screwdriver to unscrew the screws and discard the old.
3. install the solenoid. Alian the new solenoid and then tiahten the screws. Connect the water supply line. Replace the distributor tube and tighten the compression nut.
4. connect the wires to the solenoid and reconnect the humidifier.