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Front angled view of Rain Bird RD1800 RD12SP45F 12-inch SAM-PRS spray head showing riser and cap on white background, product detail image.

Rain Bird RD12SP45F RD1800 12 in. SAM-PRS Spray Head, 45 PSI

Brand: Rain Bird
Save 27%
$48.11
$34.88
SKU RD12SP45F
In Stock (42)

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The Rain Bird RD12SP45F is a rugged RD1800-series 12 in. pop-up spray head designed for reliable irrigation in commercial and residential areas. It combines a Seal‑A‑Matic (SAM) check valve, a factory-set 45 PSI pressure-regulating seat (PRS), and Flow‑Shield technology to reduce maintenance and prevent low-head drainage.

  • Pop-up spray head with 12 in. pop-up and 16 in. body height; 2-1/4 in. exposed diameter.
  • Built-in Seal‑A‑Matic (SAM) check valve to prevent low-head drainage and hold up to 14 ft of head.
  • Factory-set 45 PSI pressure regulator for more uniform coverage across variable inlet pressures.
  • Patented Flow‑Shield technology provides a visible low-flow indicator stream when a nozzle is missing or broken.
  • 1/2 in. female threaded inlet; constructed with UV-resistant plastic and stainless-steel components.
  • Nozzle not included; compatible with Rain Bird MPR, HE‑VAN, VAN, U‑Series and rotary nozzles.

Ideal for slopes, large turf, and reclaimed-water installations, the RD12SP45F simplifies troubleshooting and extends service life. Manufacturer spec sheets, installation guides, and performance charts are available. Backed by Rain Bird trade warranty.

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Frequently Asked Questions

What nozzles are compatible with this RD1800 spray head?
Compatible with Rain Bird MPR, HE‑VAN, VAN, U‑Series and rotary nozzles. Nozzles are sold separately.
How does the SAM check valve protect my system?
The Seal‑A‑Matic (SAM) prevents low‑head drainage and can hold up to 14 ft of head to maintain zone integrity.
What pressure range and regulation does this unit provide?
Factory-set PRS regulates to 45 PSI; operating range for SAM-PRS models is typically 15–100 PSI with inlet up to 100 PSI.
Is the nozzle included and what inlet size does it use?
Nozzle is not included. The RD12SP45F uses a 1/2 in. female threaded inlet and accepts standard Rain Bird spray nozzles.

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