Rain Bird 4" 1800 Series SAM Spray Head - No Nozzle

Rain Bird - 1804SAM 4 " 1800 SAM Series Spray Heads Seal-A-Matic™ (SAM) check valve

Ideal for use in areas with changing elevations, the 1800 SAM Series offers all 1800 Series features plus: Built-in Seal-A-Matic™ (SAM) check valve. Eliminates the need for under-the-head check valves. No parts to be installed at the site Stronger retract spring to accommodate elevation changes up to 14’ (4.2 m). One of the strongest springs in the industry Prevents drainage from spray heads at lower elevations. Stops water waste. Ends landscape damage due to flooding and/ or erosion Helps retain water in lateral pipes which reduces wear on system components by minimizing water hammer during start-up Designed for use with all Rain Bird plastic spray head nozzles