The hose reel system generally serves as an initial firefighting aid. When the hose reel is brought into use the pressure in the pipe immediately downstream of the pump check valves will drops below the field adjusted pressure

setting of the pressure switch thereby triggering the pump to come into operation automatically to feed a steady supply of water to discharge through the hose. Firefighting hose reel is the part which can be easily accessible. The fire hose reel outlets should be properly housed in glass fronted cabinet secured under lock and key.