this 15 AMP fusible link serves as a primary defense against furnace or air handler overheating

a different window insert and cover configuration would be required to maintain scale legibility

Use the integrated Schrader access valve located on the shell to take accurate readings and determine when the internal element is restricted

Versatile Compatibility: Integrated 1/4" barb fittings allow for quick connection to standard pneumatic diagnostic lines

factory-preset to activate at 30 PSI on decreasing pressure to alert teams of critical system pressure drops

Johnson Controls P400AD-2 Pressure Switch Freon this 15 AMP fusible linkSingle Point Differential Oil Pressure Switch, 12. 75 0. 75 Psid Open Point ( Differential Pressure ), Less than or Equal to 4. 5 Psid Close Point ( Differential above Open Point ), 3 4" Threads, Includes Wiring Harness ( WHA P400 100 ) P400AD 2 is the direct replacement for P300AD 2