Underhill Magnum UltraMAX Full Throttle Nozzle 15-40 GPM
Engineered for heavy-duty watering and washdown tasks, the Underhill Magnum UltraMAX Full Throttle Nozzle delivers a controllable high-flow output between 15–40 GPM (57–151 L/min). Built for durability, it pairs aircraft-grade aluminum construction with stainless steel internals and a TPR rubber grip for reliable performance in turf, groundskeeping, and industrial cleaning applications.
- High-volume performance: 15–40 GPM range for rapid coverage and efficient washdowns.
- Dual inlet sizes: Available in 3/4 in and 1 in female hose thread (FHT) configurations for common hose setups.
- Robust materials: Aircraft aluminum body, stainless steel components, and TPR rubber for impact resistance and corrosion protection.
- Multi-pattern spray: Quickly switch between Fog, Jet Stream, and Fan patterns to suit turf conditioning, equipment rinsing, or stadium cleaning.
- Easy control: Full-throttle design gives precise flow and stream control under high-demand conditions.
- Field-ready: Designed for repeated use in greens/tees, infield conditioning, maintenance equipment, and stadium washdowns.
Technical documentation and a detailed specification PDF are available from the manufacturer. For best results, connect to a compatible 3/4 in or 1 in FHT hose, flush before first use, and rinse after exposure to corrosive chemicals. Contact customer support if you need help selecting the correct inlet size.