Hunter - Pro-Spray Series - 4" Pop-up Sprinkler 40 PSI with Check Valve

Hunter’s Pro-Spray PRS40 combines a rugged spray body with built-in pressure regulation and check valve, delivering precision performance with MP Rotator nozzles. Ideal for both residential and commercial systems, it offers maximum efficiency and water savings in all soil and slope conditions.

Key Features:

• 4" pop-up height with gray cap for easy identification
• Pressure regulated to 40 PSI—optimized for MP Rotators
• Built-in drain check valve prevents low head drainage (14' elevation)
• Heavy-duty, ribbed body withstands foot traffic and machinery
• Innovative co-molded wiper seal prevents debris and flow-by
• Compatible with all female-threaded nozzles including MP Rotators
• Tool-free directional flush plug for quick debris clearing

Construction & Durability:

• High-impact plastic body with multi-thread buttress design for leak-free operation
• UV-resistant components for extended outdoor durability
• Heavy-duty spring ensures consistent retraction in all conditions

Performance & Functionality:

• Pressure regulation: 40 PSI for optimal MP Rotator performance
• Check valve rated for 14' of elevation change
• Multi-function wiper seal operates at low pressures to allow more heads per zone
• Zero flush design conserves water during system start-up

Ease of Installation & Use:

• Pull-ring flush cap simplifies maintenance
• Pre-installed drain check valve—no assembly required
• Compatible with Hunter adjustment tools or slotted screwdrivers

Technical Specifications:

• Operating Pressure Range: 15–100 PSI
• Pressure Regulation: Built-in 40 PSI regulator
• Pop-Up Height: 4"
• Retracted Height: 5 7?8"
• Exposed Diameter: 2 ¼"
• Inlet Size: ½" Female NPT
• Thread Type: Female-threaded
• UV-Resistant Components: Yes
• Check Valve: Yes, factory-installed

Installation & Application:

• Recommended Uses: Residential lawns, commercial landscapes, parkways, sportsfields
• Installation Method: In-ground installation
• Soil & Climate Suitability: Designed for varied terrain, slopes, and high-exposure climates

Compatibility & Optional Accessories:

• Compatible Nozzles: MP Rotators, Pro Adjustable Nozzles, Pro Fixed Nozzles