Johnson Controls W42AA-1 Humidistat 320074-702 You must select the appropriate

You must select the appropriate coil voltage and type separately to complete the assembly

Note that this is a VLC (Valve Less Coil) model

It is a drop-in HVAC replacement part for Weil-McLain CG

minimizing delayed ignition and potential fuel buildup within the chamber

the PCBBF112S is the current manufacturer-authorized replacement for original part numbers B18099-26

Johnson Controls W42AA-1 Humidistat 320074-702 You must select the appropriateThe 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