Rain Bird - 1800 Series - 6" Spray Head With SAM

Rain Bird® 1806-SAM Spray Heads are built to handle elevation changes, eliminating low head drainage and water waste in sloped landscapes. With durable construction and compatibility with all Rain Bird plastic nozzles, this pop-up spray head is ideal for professional residential and commercial irrigation systems.

Key Features:

• 6" pop-up height for tall grass or shrub areas
• Built-in Seal-A-Matic™ check valve prevents low head drainage
• Compatible with all Rain Bird plastic spray head nozzles
• Accommodates elevation changes up to 14'
• Minimizes water hammer and reduces wear on system components
• UV-resistant plastic and stainless steel components for long life
• Components removable from the top for easy servicing
• SAM-stamped cap for easy field identification

Construction & Durability:

• Constructed from high-grade, UV-resistant plastic for weather resistance
• Corrosion-resistant stainless steel internal parts
• Pressure-activated wiper seal prevents debris intrusion

Performance & Functionality:

• Operating pressure: 25–70 PSI
• Flow-by: 0 at 8 PSI or higher, 0.1 GPM below 8 PSI
• SAM holds up to 14' of elevation (6 PSI)
• Spray coverage: 2.5' to 24' depending on nozzle used
• Bottom inlet only; accepts 1/2" female-threaded inlets

Ease of Installation & Use:

• Tool-free servicing with top-accessible internal components
• Pre-assembled; ready for installation with any Rain Bird plastic nozzle
• Integrated check valve eliminates the need for separate under-the-head devices

Technical Specifications:

• Operating Pressure Range: 25–70 PSI
• Flow Rate: 0.1 GPM at low pressure
• Spray Radius: 2.5’–24’ (varies by nozzle)
• Thread Type: 1/2" Female-threaded NPT
• Pressure Regulation: No (SAM check valve only)
• UV-Resistant Components: Yes
• Arc Adjustment Range: Determined by nozzle
• Body Diameter: 2.25” exposed surface
• Pop-Up Height: 6”

Installation & Application:

• Recommended Uses: Residential, commercial landscapes, parks, slopes, elevation-varied terrain
• Installation Method: In-ground installation with standard 1/2” fittings
• Soil & Climate Suitability: Ideal for all soil types, especially sloped or undulating terrain

Compatibility & Optional Accessories:

• Compatible Nozzles: Rain Bird plastic spray nozzles (variable arc, fixed pattern, HE-VAN, U-series)