Product Description
Rain Bird's 1804-SAM is a 4" pop-up spray head with a built-in Seal-A-Matic (SAM) check valve. 1800-SAM Series Spray Heads are built for reliable operation and long life and are ideal for use in areas with changing elevations. SAM check valve can accommodate elevation changes of up to 8 feet. With a wide variety of nozzles available it can be customized to better fit the dimensions of your yard. A great, dependable choice for residential applications. 1/2" female pipe thread inlets.
*Nozzles sold separately.
Features and Benefits include:
*Nozzles sold separately.
Features and Benefits include:
- Five year trade warranty from Rain Bird
- Seal-A-Matic (SAM) check valve
- Eliminates the need for under-the-head check valves. No parts to be installed at the site
- Traps water in lateral pipes in elevation changes of up to 8'. Reduces wear on system components by minimizing water hammer during start-up
- Prevents drainage from spray heads at lower elevations, stopping water waste. Ends landscape damage due to flooding and/or erosion
- Even stronger retract spring to accommodate elevation changes up to 8'
- Designed for use with all Rain Bird plastic and brass spray head nozzles
- Exclusive 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
- Precision controlled flush at pop-down clears debris from unit, assuring positive stem retraction in all soil types
- Strong stainless steel spring provides reliable stem retraction
- Ratchet mechanism allows easy nozzle pattern alignment without tools Pre-installed 1800 Pop-Top flush plug blocks debris from entering after flushing. Allows for easy nozzle installation
- UV-resistant plastic and corrosion resistant stainless steel parts, assuring long product life
- All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler
- SAM stamped on the cap for easy identification and maintenance
- Spacing: 3 to 20 feet
- Pressure: 25 to 70 psi
- SAM capability: Holds up to 8 feet of head 3.5 psi
- SAM operable only when installed by bottom inlet
- Flow-by: 0 at 8 psi or greater 0.50 gpm otherwise
- Pop-up height: 4"
- Body height: 6"
- Exposed surface diameter: 2-1/4"
- 1/2" NPT female threaded inlets
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