They may or may not stick out depending on the sprinkler s construction and the way it s mounted but each of these heads relies on piping along or behind a wall for a supply of water.
Wall mounted fire sprinkler head.
Concealed models install in walls or ceilings and fully cover a pendent or sidewall sprinkler head using a concealed fire sprinkler cover plate.
Sidewall sprinklers on the other hand install horizontally often in a wall.
Sprinkler head location there are two main criteria for the location of sprinkler heads.
This heat sensitive plate detaches at temperatures roughly 20 degrees lower than the fire sprinkler head allowing the concealed sprinkler s deflector to drop and the head to activate.
The distance between light fixtures or similar obstructions located more than 8 ft 2 3 m from the sprinkler shall be in conformity with table 4 9 5 1 2 and figure 4 9 5 1 2.
Sprinklers installed near wall mounted shelves or piled storage against a wall are not intended to be governed by the requirements of 8 6 6 1.
Vk4840 residential horizontal sidewall lead free sprinkler k4 2 vk4800 residential flat plate concealed horizontal sidewall lead free sprinkler k4 0 viking fire sprinklers.
First sprinklers must be located so they are within the hot gas layer that develops near the ceiling during a fire because activation occurs when the sprinkler head reaches a certain temperature.