They cost between $6.75 to $15 each. Sidewall sprinkler heads protrude from the wall and are best used in smaller spaces such as a closet or where an overhead sprinkler pipe isn’t accessible or ...
Walworth upright fire sprinkler head collected by Mather & Platt, Manchester. Part of sprinkler collection showing the development of fire sprinkler heads from 1885 when the company acquired the UK ...
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