Introduction
This manual provides instructions for the proper setup, operation, and maintenance of your Gilmour Adjustable Rectangular Lawn Sprinkler. Designed for efficient watering of lawns and gardens, this sprinkler offers adjustable coverage to suit various area sizes and plant types.

Image: Front view of the Gilmour Adjustable Rectangular Lawn Sprinkler.
Setup
- Unpack the Sprinkler: Carefully remove the sprinkler from its packaging. Inspect for any damage.
- Connect to Hose: Attach a standard garden hose to the swivel coupling on the sprinkler. Ensure the connection is secure to prevent leaks. The swivel coupling allows for easy attachment and positioning.
- Position the Sprinkler: Place the sprinkler in the desired area of your lawn or garden. Ensure it is on a stable, level surface for optimal water distribution.

Image: A hand adjusting the spray pattern dial on the sprinkler.
Operating Instructions
The Gilmour Adjustable Rectangular Lawn Sprinkler features a dial for precise control over the watering area.
- Adjusting Spray Area: Use the dial located on the sprinkler head to select your desired spray pattern. Options typically include:
- Full: Waters the entire rectangular area.
- Left: Waters only the left side of the rectangular area.
- Right: Waters only the right side of the rectangular area.
- Center: Waters only the central portion of the rectangular area.
- Water Pressure: Adjust your water faucet to achieve the desired water pressure and spray distance. The sprinkler is designed to provide a gentle spray, suitable for delicate plants and newly seeded areas, covering up to 3000 sq ft.

Image: The sprinkler in operation, distributing water across a lawn.
Maintenance
Regular maintenance ensures optimal performance and longevity of your sprinkler.
- Cleaning Nozzles: The spray tube cap doubles as a jet cleaner. If you notice uneven spray or reduced water flow, remove the spray tube cap and use it to clear any debris or clogs from the nozzles.
- Winter Storage: Before freezing temperatures, disconnect the sprinkler from the hose, drain all water, and store it in a dry, protected area to prevent damage.

Image: A diagram illustrating key features of the sprinkler, including the adjustable length and the spray tube cap functioning as a jet cleaner.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Uneven spray pattern or reduced flow | Clogged nozzles | Use the integrated jet cleaner (spray tube cap) to clear debris from the nozzles. |
| Sprinkler does not oscillate or gets stuck | Low water pressure; internal mechanism obstruction | Ensure adequate water pressure. Check for any visible obstructions in the oscillating mechanism. |
| Leaks at hose connection | Loose connection; worn washer | Tighten the hose connection. Replace the rubber washer if it appears worn or damaged. |
Specifications
| Feature | Detail |
|---|---|
| Brand | GILMOUR |
| Model Number | 888303-1002 |
| Color | Gray |
| Material | Plastic |
| Style | Oscillating |
| Item Dimensions (L x W x H) | 3 x 17.25 x 6.5 inches |
| Item Weight | 9.6 ounces |
| Maximum Flow Rate | 3 gpm |
| Coverage Area | Up to 3000 sq ft |
Warranty Information
This Gilmour Adjustable Rectangular Lawn Sprinkler comes with a limited warranty against material and manufacturing defects. For specific details regarding warranty coverage, duration, and claims process, please refer to the warranty documentation included with your purchase or visit the official Gilmour website.
Support
For further assistance, technical support, or to inquire about replacement parts, please contact Gilmour customer service. Contact information can typically be found on the product packaging or on the official Gilmour website.