Hunter Industries PGP-ADJ Ultra Rotor Sprinkler Heads - 4 Pack, 4" Pop-Up, Adjustable 40°–360° Arc & 22–52 ft Radius

Hunter PGP-ADJ Ultra rotor sprinkler heads are robust, gear-driven rotors that provide adjustable, even irrigation for lawns and landscapes.

Built for installers, landscapers and homeowners who want dependable coverage, the PGP-ADJ combines a wide spray radius, adjustable arc and rugged construction. This rotor is the original gear-driven model known for smooth rotation, long service life and flexible nozzle options. It’s engineered to replace older heads or deliver efficient performance in new systems where precise spacing and customizable watering patterns matter.

What watering patterns and arc adjustments can I expect?

The PGP-ADJ supports part-circle and full-circle operation with an easy-to-settable arc range. You can dial arcs from 40° up to 360° to match turf edges, planting beds and oddly shaped zones while minimizing overspray.

• Adjustable arc: 40°–360° for part- or full-circle watering
• Includes adjustment tool for simple on-site arc changes
• Smooth, gear-driven rotation for consistent distribution

How far and how evenly does each head spray?

Each rotor offers a variable spray radius and multiple nozzle trajectories to suit spacing and wind or slope conditions. Expect reliable throw distances and a precipitation rate designed to integrate with most residential and commercial systems.

• Spray radius: 22 to 52 feet, enabling wider spacing and fewer heads per zone
• Flow range: 0.5 to 14.1 GPM to match diverse zone demands
• Precipitation rate: approximately 0.4 inches/hour for uniform application

What are the installation and compatibility details?

The PGP-ADJ installs easily into standard systems and is built to operate across a broad pressure range. Its construction and inlet size make it a straightforward swap for many existing rotor locations.

• Inlet connection: 3/4" NPT for common compatibility
• Pop-up height: 4 inches from the riser for flush finish and protection
• Operating pressure range: 20–100 PSI; recommended 25–70 PSI for optimal performance

Which nozzle options help with wind or slope challenges?

The PGP-ADJ includes nozzle trajectory choices to reduce wind drift and improve distribution on uneven terrain. Select the angle that best matches local conditions to maintain coverage without wasting water.

• Standard nozzle: 25° trajectory for general applications
• Low-angle nozzle: 13° trajectory for windy areas or sloped zones
• Interchangeable nozzles to fine-tune distance and arc overlap

Who is this for: The Hunter PGP-ADJ Ultra rotor is aimed at professional contractors, landscape designers and homeowners who need a durable, adjustable rotor that performs across varied site conditions. It’s ideal when you want dependable long-range coverage, flexible arc control and easy integration into existing 3/4" NPT systems. Packaged as a 4-pack with the adjustment tool included, it’s a practical choice for replacing multiple heads or equipping a new irrigation zone with consistent, serviceable hardware.