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!
Humidifiers increase the humidity in room or building. A humidifier that is attached to your HVAC system will increase the humidity coming out of the home's air duct registers.
4040 AP-4040 A2012-S118