HONEYWELL P643A1007 Pneumatic / Electric Switch including Spdt switch and adjustable differential. Used to convert a pneumatic signal from a controller to an electrical switching action to provide start and stop control of equipment such as fans and pumps. Replacement devices available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell pneumatic/electric switches. Adjustable setpoint.

Features

• Adjustable differential.

• Externally visible scales.

• Heavy-duty switch.

• Integral gage connection.