Orange Smoke Vent manual fireman's keyswitches for use with Haes Automatic Opening Vent control systems. These are manual override switches which are used to open and close smoke systems, and can be used alongside our smoke control panels. This unit is supplied with a resettable, non-glass element which allows the call point to be reset much quicker than conventional glass elements. Key Features: Available in orange or yellow Supplied with a back box for surface mounting Labelled 'Smoke Vent' Suitable for use with Haes AOV control panels
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