4 in 1800 series pop-up spray head with Seal-A-Matic check valve
Designed for use with all Rain Bird plastic spray head nozzles
Traps water in lateral pipes in elevation changes of up to 14 feet (4,2 m)
Reduces wear on system components by minimizing water hammer during start-up
Prevents drainage from spray heads at lower elevations
Stops water waste
Ends landscape damage due to flooding and/or erosion
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
Even stronger retract spring to accommodate elevation changes up to 14 feet (4,2 m) One of the strongest springs in the industry
Co-molded, pressure-activated, multi-functional wiper seal assures positive seal without excess "flow-by" which enables more heads to be installed on the same valve
All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler
Constructed of time-proven UV-resistant plastic and corrosion resistant stainless steel parts, assuring long product life
SAM stamped on cap for easy identification and maintenance
No nozzle
2-1/4 in exposed surface Dia
4 in pop-up H
with Seal-A-Matic check valve
1804SAM Mode
Specificationsarrow_drop_down
Connection Type: 1/2 in FNPT
Flow Rate: 0.5 gpm
Height: 4 in
Mfg Standards/Approvals: cULus Listed, HVI2100, Title 24 Compliant