this Siemens pneumatic selector switch ensures long-term stability and precise signal pressure direction in complex HVACR automation sequences

it monitors for the presence of a gas burner flame through the process of flame rectification

While it fits standard 1/4 inch SAE flare lines

This bored-to-size coupling flange is fully compatible with EPDM and Neoprene sleeves

GC Valve S401GF01V9BF5 Solenoid Valve Els PW 29614 this Siemens pneumatic selector switchThe GC Valve S401GF01V9BF5 Solenoid Valve is a 2 way normally closed, pilot operated piston valve designed for high performance fluid control in industrial and HVACR systems. Built with a rugged brass body and 1 4" NPT connections, this unit features a 3 8" orifice to maintain consistent flow rates while handling an operating pressure differential of up to 300 PSI for air and 150 PSI for water. The 24Vac coil is Class F rated for high temperature