An Oxygen Depletion Sensor (O.D.S) detects when oxygen levels in the room fall below a specified level and cause the pilot flame to lift away from the sensing probe. This activates the Flame Supervision Device (F.S.D), which cuts off the gas supply inside the valve and renders the appliance safe.
NB: Must only be installed by a Gas Safe Registered Installer, for further details to locate an installer please go to www.gassaferegister.co.uk |