GM-4CS for compliance with BS 6173 and IGEM/UP/19.
Features two in-build fan current sensors (2.8 kW each), system status indicators, stop button and the facility to connect a remote stop button and air pressure switches. The control unit ensures there is no gas flow to burners unless air extraction is present.
For use with an BS EN 161/+A3 approved solenoid or electro-hydraulic gas safety shut-off valve.