Air Flow Switches

Johnson Controls air switching cumulator with a maximum supply pressure of 25 psi and direct acting two position action. This cumulator is adjustable from 2-12 psi and comes factory set at 9 psi. Learn More

Johnson Controls pneumatic selector air switch, with five ports (all switching), that manually switches the air flow in pneumatic control systems. Learn More

Johnson Controls pneumatic selector air switch, with five ports (one exhausting and two pairs switching), that manually switches the air flow in pneumatic control systems. Learn More

Johnson Controls pneumatic selector air switch, with five ports (three holding and one pair switching), that manually switches the air flow in pneumatic control systems. Learn More

Johnson Controls pneumatic selector air switch, with five ports (three exhausting and one pair switching), that manually switches the air flow in pneumatic control systems. Learn More

Johnson Controls pneumatic selector air switch, with five ports (one holding and two pairs switching), that manually switches the air flow in pneumatic control systems. Learn More

McDonnell & Miller model number AF1 is a 120 volt, single pole, double throw, snap air flow switch for medium and high velocity requirements on general purpose applications. Learn More

McDonnell & Miller model number AF1-S is a 120 volt, single pole, double throw, snap air flow switch for medium and high velocity requirements on general purpose applications. Learn More

McDonnell & Miller model number AF2 is a 120 volt, single pole, double throw, snap air flow switch for low velocity requirements on general purpose applications. Learn More

McDonnell & Miller model number AF3 is a 120 volt, single pole, double throw, snap air flow switch for low velocity requirements on general purpose applications. Learn More

McDonnell & Miller model number AF3-D is a 120 volt, double pole, double throw, snap air flow switch for low velocity requirements on general purpose applications. Learn More

McDonnell & Miller model number AFE-1 is a 120 volt, single pole, double throw, snap air flow switch for medium velocity requirements on general purpose and hazardous applications. Learn More

3-way air switching valve with psi between 2 & 4 lbs.Functions as a selector or diverter for Day/Night switching. Learn More

3-way air switching valve with psi between 11 & 15 lbs.Functions as a selector or diverter for Day/Night switching. Learn More

3-way air switching valve with psi between 15 & 19 lbs.Functions as a selector or diverter for Day/Night switching. Learn More

Siemens SPST, manual reset air flow switch with a 1" to 12" WC setpoint range. This air flow switch senses static differential pressure and the diaphragm operated snap switches actuate electrical circuits. Learn More

Lochnivar flow switch. Learn More

Siemens SPST, automatic reset air flow switch with a 0.05" to 1" WC setpoint range. This air flow switch senses static differential pressure and the diaphragm operated snap switches actuate electrical circuits. Learn More

Lochinvar outdoor flow switch. Learn More

Daikin-McQuay 2-stage air pressure control switch. Learn More