GW Multiple Jet Controls (MJC’s) are for use in sprinkler or waterspray systems where it is required to operate small groups of open sprinklers or waterspray nozzles simultaneously.
Each MJC contains a fragible glass bulb sensitive to heat. The bulb is pre-loaded at the factory to hold a Nickel/Silver plate against a brass seal which provides a water and air tight seal. The application of heat bursts the bulb releasing the disc and allowing water to flow.
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