The VentGuard Plus is a cost-effective BS6173:2009 and IGEM/UP/19 compliant ventilation interlock, with built-in fan current monitors for the intake and extract fans, however, can still be used with Air DP Switches.

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With dedicated interfaces and LEDs for the intake and extract fans, the VentGuard will provide an indication of any ventilation issues, however, will not shut down the gas supply until the ventilation has not been operating for a full 30 seconds to avoid any nuisance tripping.