Product Review

Features:

Application:
The 4040 solenoid valve is compatible with majority Aprilaire humidifiers except for commercial units and residential models 800, 330, 445, 110, 112, 350 and 360.

Replace numbers:
332226, 59000, 4040, 40-40, 52P90, 5900063, 5F-D1RA-Q1OQ, 683786072210, 686720404016, APR4040, B00HSFN1RY, B00V8CFBPS, B018HBRMKO, CI4040, GA4040 and O1-UGBC-FCJ3.

Installation steps:
Step 1: disconnect the humidifier: shut off the water supply to the unit.
Step 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 tube, then let any remaining water drain into the plastic container, disconnect the water supply, use a screwdriver to unscrew the screws and discard the old solenoid.
Step 3: install the solenoid: align the new solenoid and then tighten the screws, then connect the water supply line, replace the distributor tube and tighten the compression nut, finally connect the wires to the solenoid.
Step 4: reconnect the humidifier.

Specification:
Material: brass and copper wire
Model number: 4040
Watts: 2.3
Orifice: 3/ 64
Volt: 24/ 60V
MOPO: 125

Package quantity:
1 x 4040 Solenoid valve

Note:
All the brand names and models mentioned are not applied as trade marks, just work as product adaptability.