Rainbird 1804-SAM-PRS 4" Pop-up Sprinkler w/In Stem Pressure Regulator & Seal-A-Matic Valve

SKU: 482644
Brand: Rainbird Model: 1804-SAM-PRS Condition: New

Regular Price: $6.99
On Sale: $4.90
Available to Ship: Within 48-72 Hours

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The 1800 SAM Series is ideal for use in areas with changing elevations and offers all 1800 Series features. The spray head with a built in Seal-A-Matic check valve prevents low head drainage and the In Stem Pressure Regulator is designed for areas with high and/or widely fluctuating water pressures.

* 3 to 18 feet with standard Rain Bird Spray Head Nozzles (MPR, VAN, U-Series) 13 to 24 feet with Rain Bird Rotary Nozzles


• Patented PRS pressure regulator built into the stem
• Built-in Seal-A-Matic (SAM) check valve: Eliminates need for under-the-head check valves
• Ensures maximum spray head and nozzle performance, even with varying inlet pressures
• Maintains constant outlet pressure at 30 psi (2,1 Bars); spray heads and nozzles perform best at 30 psi
• Restricts water loss by up to 70 percent if nozzle is removed or damaged
• No parts to be installed at the site: Saves time and money
• 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
• Ends misting and fogging caused by high pressure
• SAM stamped on cap for easy identification and maintenance
• Designed for use with all Rain Bird plastic spray head nozzles
• "PRS" stamped on cap for easy identification and maintenance
• Recommended for vandal prone areas
• Designed for use with all Rain Bird plastic spray head nozzles


• Model: 1804-SAM-PRS
• Product number: A44915

Operating Range
• Spacing: 3 to 24 feet (0,9 to 7,3 m)
• Pressure: 25 to 70 psi (1,7 to 4,8 bar)

• SAM Capability: Holds up to 14 feet (4,2 m) of head; 6 psi (0,4 bar)
• Flow-by: 0 at 8 psi (0,6 bar) or greater; 0.50 gpm (0,11 m/h; 1,80 l/m) otherwise

• 1/2" (15/21) female threaded inlet
• Body Height: 4"
• Exposed Surface Diameter: 2 1/4" (5,7 cm)

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