Johnson Controls A421AET-01 Temperature Control R-22 This is the specific negative

This is the specific negative pressure threshold (measured in inches of water column) required to close the 0130F00001P switch

000 operations

use a WEL14A-602R bulb well or a compatible packing nut to protect the sensing element

Common Questions Is the Watts 0342691 compatible with my older 0342670 valve

Johnson Controls A421AET-01 Temperature Control R-22 This is the specific negativeThe Johnson Controls A421AET 01 is a line voltage electronic temperature control designed for versatile HVACR applications, providing a reliable alternative to traditional electromechanical thermostats. Operating on 120 240 VAC, this SPDT controller features a broad setpoint range of 40 to 212F, making it ideal for both refrigeration and heating logic. Built with a NEMA 1 enclosure for surface mounting, the unit includes a high visibility front panel