making it a standard inventory item for technicians servicing residential heating systems

Remote Flame Sensing: Dedicated circuitry for remote flame sense ensures reliable combustion monitoring in demanding burner configurations

Efficient 3-Phase Design: Reduces energy consumption and vibration

and the latest A2L refrigerants

On models equipped with the test feature

Johnson Controls W42AA-1 Humidistat 323269-701 making it a standard inventoryThe 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