PA Series Shrub Adapters

Rain Bird offers a range of durable, non-corrosive plastic adapters for attaching nozzles to risers, including:

  • PA-8S-PRS Pressure Regulating Shrub Adapter at 30 psi
  • PA-8S-P45 Pressure Regulating Shrub Adapter at 45 psi
  • PA-8S Plastic Shrub Adapter
  • PA-8S-NP  Non-Potable Plastic Shrub Adapter
  • PA-80 Plastic Adapter

For more information on pressure regulation legislation: Click Here

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PA-8S and PA-8S-NP

  • Adapts Rain Bird nozzles for use with ½" (15/21) MPT threaded risers.
  • Accepts protective, non-clogging 1800 Series filter screen (shipped with nozzle) and PCS Series screens.
  • Durable, non-corrosive plastic construction.
  • Purple plastic shrub adapter for easy identification of a non-potable water system (PA-8S-NP).


  • Converts pop-up stem to ½" (15/21) male pipe thread.
  • Adapts Rain Bird sprinklers for use with any ½" (15/21) FPT bubbler or spray nozzle.
  • Rugged, UV-resistant thermoplastic construction.
  • Easy to install; no tools required.

PA-8S-PRS and PA-8S-P45

  • Attaches nozzle to riser to irrigate ground cover and shrub areas requiring pressure regulation.
  • Rugged thermoplastic construction resists UV rays.
  • Adapts nozzles for use with 1/2" (15/21) MPT threaded risers.
  • Patented PRS pressure regulator built into the stem. Available in 30 psi and 45 psi models.
  • No parts to be installed at the site. Saves time and money.
  • Maintains constant outlet pressure at 30 psi (2,1 Bars) or 45 psi (3,1 Bars)
  • Ensures maximum spray and rotary nozzle performance.
  • Regulates and maintains constant pressure regardless of nozzle used.
  • Ends misting and fogging caused by high pressure.
  • Restricts water loss by up to 70% if nozzle is removed or damaged. Saves water and money. Reduces liability.
  • Recommended for vandal-prone areas.
  • Fits all Rain Bird nozzles.


PA-8S and PA-8S-NP

  • ½" (15/21) female inlet threads
  • Fine top threads accept all Rain Bird nozzles


  • Height: 1½" (3.8 cm); 0.8" (2 cm) above 1800 cap

PA-8S-PRS and PA-8S-P45

  • Pressure: 15 to 70 psi (1,0 to 4,8 bar)
  • Flow: 0.2 to 4.0 gpm (0,05 to 0,91 m3/h; 0,06 to 15,0 l/m)
  • ½" (15/21) female inlet threads
  • Fine top threads accept all Rain Bird nozzles
  • Height: 5¼" (13,3 cm)

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