Johnson Controls W42AA-1 Humidistat 322838-754 Facilitates a seamless fuel conversion

Facilitates a seamless fuel conversion process to reduce downtime for the homeowner

Check the identification tag on the existing valve or the stamping on the cage

this valve requires minimal pressure differential for full opening

Engineered Compatibility: Exact dimensional match for the Hankison 125 CFM series

Johnson Controls W42AA-1 Humidistat 322838-754 Facilitates a seamless fuel conversionThe Johnson Controls W42AA 1 Humidistat is a heavy duty, 3 wire humidity controller designed for precision management of both humidifying and dehumidifying equipment. Engineered with a stable 150 strand human hair sensing element, this unit provides superior sensitivity and long term accuracy compared to synthetic alternatives. It operates on line voltage (120 240 VAC) or low voltage circuits, utilizing a Single Pole Double Throw (SPDT) snap acting