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Hunter Rotor 4 in. | PGP-ADJ

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Sales Price $7.65 Our Price $24.18 You save 68%
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Hunter Rotor 4" PGP-ADJ


  • Brand: Hunter
  • Pop-Up Height: 4 in.
  • 1 Adjustment Tool per Order
  • No Check Valve

Features & Benefits Of The Hunter PGP ADJ Rotor

The PGP® is Hunter's original product‐the item that put the company on the map in 1981. Its exceptional design and impressive performance placed the rotor a cut above back then, and continuous improvements and enhancements have allowed it to remain the number one selling rotor in the world ever since. With the ability to deliver even water distribution from engineered nozzles, this sprinkler is unequaled in reliability, durability, versatility, and value. With its endless built-in features and Hunter's years of experience in gear‑drive technology, it's no wonder the PGP remains the professional's choice year after year.

Why Choose PGP?

  • Pop-up sprinkler rotates silently then disappears when the job is done
  • Has precise pattern control with no wasteful backsplash onto walkways or buildings
  • Whisper‐quiet rotation, without impact or clatter
  • Through‑the‑top adjustment with a helpful symbol makes it easy to adjust, wet or dry
  • Easy fine‑tuning without changing nozzles
  • Integral rubber cover with membrane‑covered sockets keep dirt out
  • Large dirty water screen puts an end to the nozzle clogging
  • Model: 4"
  • Arc setting: 40 to 360 degrees
  • Factory installed rubber cover
  • Through-the-top arc adjustment
  • QuickCheck™ arc mechanism
  • Water lubricated gear-drive
  • Nozzle choices: 12, with 27 total (optional)
  • Nozzle racks: Red, Blue (optional), Gray Low Angle (optional)
  • Warranty period: 2 years
  • 1 Set of Nozzles per rotor and 1 Adjustment Tool per Order

Product Details For Hunter PGP ADJ

  • Radius: 22' to 52'
  • Flow rate: 0.5 to 14.1 GPM
  • Recommended pressure range: 25 to 70 PSI
  • Operating pressure range: 20 to 100 PSI
  • Precipitation rates: 0.4 in/hr approx.
  • Nozzle trajectory: Std = 25 degrees, Low angle = 13 degrees

Learn How To Adjust A Hunter PGP-ADJ Nozzle From The Professionals At Sprinkler Warehouse

The Hunter PGP-ADJ has been used for its innovative design and top-quality performance since 1981.

When you are shopping for the Hunter PGP-ADJ 4" rotor, our Sprinkler Warehouse product specialist will teach you how to adjust and install it. In our tutorial videos, we discuss the tools you need to get started as well as optional accessories to get the job done even faster. Our product experts will also demonstrate the various components of the rotor as well as the functions of those parts. To learn more about these videos and articles our customers can visit Sprinkler School, hosted by Sprinkler Warehouse, anytime for free. You can order the PGP-ADJ online or buy your rotors in our store. We offer same-day and next-day shipping whether you buy your PGP-ADJ online or in-store.

The PGP-ADJ Is The Most Popular Rotor Available On The Market Today

The Hunter PGP sprinkler head has been a number one selling rotor since the early 1980s. This is because its design saves water and gets the job done well. The PGP-ADJ is valued for its accurate pattern control which prevents water from being wasted on accidental coverage to walkways or fences. The design also features a large dirty water screen that prevents the nozzle from clogging as often as other models may tend to do.

Hunter Industries Is One Of The Most Trusted Rotor Manufacturers And Here Is Why We Recommend It

Sprinkler Warehouse is proud to provide our customers with the brands and products they trust including the famous PGP-ADJ rotor. Whether our customers are shopping for a DIY homeowner installation or looking to stock their truck for a professional contractor project, we have the Hunter rotors you want when you need them. Hunter's PGP series has been trusted for years due to its durability, versatility, and value. This rotor is well known by professionals for its exceptional design and impressive watering performance. Hunter Industries strives to make continuous improvements and enhancements to its irrigation products.

The PGP-ADJ rotor boasts a wide variety of features including the pop-up sprinkler's ability to rotate silently and drop down out of sight when the cycle is over. The top of the rotor comes factory installed with a top adjustment slot with a clear-to-read symbol that makes adjustments easy no matter if it's wet or dry. This rubber cover also has a membrane-covered socket that prevents dirt from entering the system. With the help of the Hunter adjustment tool, this rotor is easy to tune without needing to change the nozzles. Due to these features and more, the PGP remains the professional's choice for sprinkler rotor installation.

Read About More Features Available In The Hunter Adjustable Arc Rotor 4 in.

The PGP is Hunter's original gear-drive rotor. The Hunter PGP-ADJ has the ability to water irrigation zones evenly due to its innovative nozzles and historically reliable and durable build. The gear-driven technology features an overall height of 7⅜ inches, a pop-up height of 4 inches, an exposed diameter: 1¾ inch, and an inlet size of ¾ inches. This top-quality rotor has an operating pressure range from 20 PSI to 100 PSI with a recommended pressure range from 25 PSI to 70 PSI.

Top 5 Product Details That Make The Hunter PGP-ADJ So Popular:

  1. No check valve
  2. Pop-up height is 4 inches
  3. Flow rate is 0.5 to 14.1 GPM
  4. Spray radius is 22' to 52'
  5. Comes with a 2 year warranty

Hunter PGP-ADJ Rotor Tutorials

The ability to adjust sprinkler heads allows you to provide every bit of your lawn or garden with...

The ability to adjust sprinkler heads allows you to provide every bit of your lawn or garden with...

Learn about the difference between Hunter rotors to choose the right PGP Series Rotor for sprinkler...

When it comes time to replace your Hunter PGP-ADJ rotor, there are a few options available. Watch...

Frequently Asked Questions About The Hunter PGP-ADJ

How do you adjust Hunter PGP-ADJ?

These tools include a Hunter adjustment tool, the desired nozzle tree, a nozzle insertion collar, and a set of needle-nose pliers. To adjust the PGP-ADJ simply locate the arc adjustment slot and use the Hunter tool to manipulate the arc how you need it. For more information on how to adjust the arc, visit Sprinkler Warehouse's how-to videos library.

What does PGP stand for Hunter?

Hunter Industries manufactures a variety of top-quality irrigation products from valves, nozzles, controllers, sprays, rotors, and more. This high volume product production requires the company to create identification numbers and letters for each product type. PGP is one of these identification codes used by Hunter to stand out among multiple products.

What is the difference between Hunter PGP and Hunter PGP Ultra?

Both the PGP-ADJ and the PGP-Ultra are high-quality rotors manufactured by Hunter. The simplest explanation is that the PGP-ADJ is a basic model and may lack many core features. However, the PGP Ultra is a more advanced version of this model that has more nozzle compatibility options and a stainless steel riser, along with other advanced features. To learn more about these rotors, our customers can watch our Sprinkler School videos online for free.

More Information
Brand Hunter
Type Rotor
Application Residential
Body Height 7-3/8
Inlet Size 3/4 in.
Pressure Range (PSI) 25-70
Warranty 2 Years
Spray Pattern Part Circle Adjustable (40 - 360)
Spray Radius 22 ft. - 52 ft.
Series PGP
Pop-Up Height 4 in.
Riser Material Plastic
Brochure (239.78 kB)
Guide (2.19 MB)
Manual (423.73 kB)