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The differential pressure switch LG3A4/2 is an adjustable differential pressure switch as per EN 1854 for automatic burner controls
GW 2000 A4/2 HP X approx
400B2 - Oil/gas burner control
Pilot or direct spark ignition without purge sequence
18502 - Actuator
Siemens SKP15.012U2 Gas Valve Actuator 230V Safety Shut-Off (ON/OFF) voltage_120v The differential pressure switch LG3A4/2Siemens SKP15. 012U2 Gas Valve Actuator (230V) The Siemens SKP15. 012U2 is an electro hydraulic actuator used on industrial and commercial combustion systems where reliable gas valve operation and rapid fail safe closure are required. SKP15 actuators are safety critical components. If an actuator fails, the valve may not complete its stroke correctly, often leading to burner lockout or shutdown. This unit is supplied for direct like for like