Stand alone Gas Minder 4 interlock system pack (ISP-3) for compliance with BS 6173 and IGEM/UP/19.The IP56 rated control unit ensures there is no gas flow to burners unless air extraction is present. Pack consists of Gas Minder 4 control unit, DPSA-20 differential pressure switch, DK-1 duct kit (tube and connectors) and remote emergency stop button.For use with an BS EN 161/+A3 approved solenoid or electro-hydraulic gas safety shut-off valve.
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