656-0010 | Assembly, 1/2", 3-Way water mixing (2.5Cv) or Air Station Pilot Valve (3-8psi) | Siemens

This is a 656 Series Valve Assembly with a 1/2" Line Size, with 3-Way Pilot Valve Action and Flow rate of 2.5 Cv. This item can also serve as air station equipment which rapidly responds to large volume demands and supply pressure variations. This pneumatic pilot valve is used in two-pressure systems for either day-night or heat-cool applications. This pilot valve has a 1/2" OD SAE flare inlet/outlet port, 3 to 8 psi pneumatic actuator and a 1/8" NPT female pilot port.