Hydrants
Class AA - Light Blue - 1,500 GPM +
Class A - Green - 1,000-1,499 GPM
Class B - Orange - 500-999 GPM
Class A - Red - >500 GPM
Sprinkler Systems
Listed in the following order: Max Ceiling Temp., Temp. Rating, Color Code, Glass Bulb Color
(100F) (135-170F) (Uncolored or Black) (Orange or Red)
(150F) (175-225F) (White) (Yellow or Green)
(225F) (250-300F) (Blue) (Blue)
(300F) (325-375F) (Red) (Purple)
(375F) (400-475F) (Green) (Black)
(475F) (500-575F) (Orange) (Black)
(625F) (650F) (Orange) (Black)
LOL ! Just funnin !