drencher
noun 2
Definitions
noun
1
One who, or that which, drenches.
2
A fire prevention device, like a sprinkler but ejecting a denser curtain of water and sometimes mounted on the outside of a building to prevent the spread of fire from those nearby.
A second system of conventional dry sprinkler heads is interspersed with the drencher heads.
The drencher supply should also be separate from the sprinkler supply.
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