Orbit 57002 Direct Burial Waterproof Grease Tube with Sprinkler Wire Nut – 4-Pack

Protect and prolong your sprinkler wiring

Exposure to water and metal in outdoor environments can threaten the longevity of irrigation systems. Orbit 57002 combines a direct burial grease tube with a sprinkler wire nut to help shield 24 VAC wiring from moisture, corrosion, and electrical shorts.

Designed for use with common solenoids and controllers, these components perform where you need them most—in valve boxes, beneath mulch beds, or along buried runs. The waterproof seal and sturdy cap provide a barrier against the elements, while the grease tube enclosure keeps connections secure during seasonal temperature changes.

Key benefits

• Waterproof protection for 24 VAC sprinkler wire in valve boxes
• Grease tubes ideal for 2-wire and direct burial installations
• Compatible with Orbit, Hydro-Rain, and other major brands
• Simple, reliable installation to help reduce moisture-related issues

Real-world scenarios

In a windy, irrigation-heavy yard, the sealed cap prevents rain and splashes from reaching exposed conductors. For a 2-wire run buried beneath a flower bed, the grease tube adds a durable, direct burial solution that keeps connections firm through soil movement and temperature shifts.

• Ideal for urban landscapes with tight valve boxes
• Useful in gardens exposed to heavy irrigation cycles
• Great for retrofit projects where existing wiring needs weatherproof protection

Installation tips and safety

Follow local and national codes and always turn off power before installing or removing connectors. Typical steps include pushing wires into the cap or tube, twisting to seal, inserting the wire nut fully, and locking the lid in place. Do not reuse waterproof connectors.

With Orbit components, you can pair reliable seals with compatibility across common controllers and valves, helping you maintain a healthy irrigation system without guesswork.