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

For more information on pressure regulation legislation: Click Here

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PRS Pressure Regulating Spray Body Models Only


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)
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
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)
Height: 5¼" (13,3 cm)
Fine top threads accept all Rain Bird nozzles
½" (15/21) female inlet threads

Model Comparison

  • 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
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