Rain Bird - 1800 Series - 4" Spray Head With SAM

Rain Bird 1800-SAM Series Spray Heads are engineered to prevent water waste and erosion on sloped landscapes by incorporating a built-in Seal-A-Matic™ (SAM) check valve. Trusted for decades, the 1800 Series is the gold standard in pop-up spray heads for both residential and commercial irrigation applications.

Key Features:

• Built-in SAM™ check valve eliminates low head drainage—no extra parts required
• Accommodates elevation changes up to 14’ with one of the industry’s strongest springs
• Co-molded pressure-activated wiper seal minimizes flow-by and supports more heads per zone
• Fully serviceable from the top—no special tools needed for maintenance
• UV-resistant plastic and stainless steel components ensure long-lasting durability
• Compatible with all Rain Bird plastic spray nozzles—MPR, VAN, U-Series, Rotary, and XPCN
• Pre-installed flush plug for debris protection before nozzle installation

Technical Specifications:

• Operating Pressure Range: 25–70 PSI
• Flow Rate: 0.1 GPM at < 8 PSI; 0 GPM at ? 8 PSI
• Spray Radius/Coverage Area: 2.5–24 ft
• Thread Type: ½” Female NPT inlet
• Pressure Regulation: No (SAM only)
• UV-Resistant Components: Yes
• Arc Adjustment Range: Nozzle dependent
• Body Diameter: 2¼" exposed surface diameter
• Pop-Up Height: 4” (10 cm)
• SAM Capability: Holds up to 14 ft (4.2 m) of elevation

Installation & Application:

• Recommended Uses: Residential and commercial lawns, slopes, hillsides, landscaped areas with elevation change
• Installation Method: Buried in-ground with bottom inlet
• Soil & Climate Suitability: All soil types; highly effective in areas prone to runoff or erosion

Compatibility & Optional Accessories:

• Compatible Nozzles: Rain Bird MPR, VAN, U-Series, Rotary, XPCN