Remove nozzle or hose and horn assembly and visually inspect within valve body. (Chemical in the valve system might show which the extinguisher has become partially discharged and will thus be recharged). 5. Evacuate the developing, and contact the fire Office to inform them on the fire and request aid. https://self-catering-gravelotte28300.blogdemls.com/29148008/5-essential-elements-for-gas-fire-suppression-system