Brand: Hunter Industries SKU: PGP-ADJ Product Overview The Hunter PGP-ADJ is a 4-inch pop-up gear-drive rotor with an adjustable 40- to 360-degree arc and a 3/4-inch female NPT inlet. This Big Frog Supply configuration is the standard no-check-valve version. It is designed for residential and light-commercial turf areas that need longer-range coverage than a conventional spray sprinkler while allowing the watering pattern to be adjusted for corners, property edges, irregular lawn shapes, or full-circle operation. Hunter’s current PGP platform supports 27 nozzle choices across standard red, standard blue, and gray low-angle families. Depending on the installed nozzle and operating pressure, Hunter publishes an approximate radius range of 22 to 52 feet and a flow range of 0.5 to 14.1 GPM. Recommended pressure is 25 to 70 PSI, with an operating range of 20 to 100 PSI. Standard nozzles use a 25-degree trajectory, while low-angle nozzles use a 13-degree trajectory. Through-the-top arc adjustment and the QuickCheck arc mechanism simplify field setup. The factory-installed rubber cover protects the adjustment area and provides a finished surface at grade. Because this standard configuration does not include a drain check valve, use an appropriate optional check-valve solution or a different factory model where low-head drainage control is required. Key Features 4-inch pop-up gear-drive rotor Adjustable arc from 40° to 360° Part-circle and full-circle coverage from one model Approximate 22- to 52-foot radius range Approximate 0.5- to 14.1-GPM flow range 27 compatible nozzle choices Through-the-top arc adjustment QuickCheck arc mechanism 3/4-inch female NPT inlet No check valve included in this configuration Common Uses Residential lawns and larger turf zones Light-commercial landscape irrigation Adjustable corner, edge, and full-circle coverage Replacing a compatible Hunter PGP-ADJ rotor Compatibility and Installation Notes Select the nozzle according to required radius, flow, trajectory, spacing, and available pressure. Connect to a compatible 3/4-inch swing joint or threaded fitting. Install level with finished grade and provide clearance for the full 4-inch riser. Use the Hunter rotor adjustment tool for arc and radius setup. This variant is labeled No Check Valve; plan separately for low-head drainage where needed. Confirm the installed or included nozzle if a specific nozzle number is required. Frequently Asked Questions Can the PGP-ADJ water a full circle? Yes. The arc adjusts from 40 degrees through a 360-degree full-circle pattern. Does this PGP-ADJ include a check valve? No. The live Big Frog Supply variant is specifically identified as the no-check-valve configuration. What determines the final radius and flow? The installed nozzle, operating pressure, radius adjustment, spacing, and site conditions determine actual performance. Why Buy from Big Frog Supply? Big Frog Supply carries Hunter PGP rotors, nozzle trees, adjustment tools, swing joints, check-valve components, and irrigation repair parts.
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