IrriFix Sprinkler Riser Extensions Set of 6 — Stackable Rain Bird 1800 Compatible, UV-Resistant Kit with RotorTool

These IrriFix box set extenders raise Rain Bird and other compatible pop-up spray sprinklers so the spray clears tall groundcover and obstacles without replacing heads.

Sold as a set of six with an instruction card and a RotorTool screwdriver, this kit provides stackable riser extensions made from UV-resistant thermoplastic. They attach between a 1/2-inch male spray riser and a 1/2-inch female nozzle to lift spray heads higher above turf, mulch, or decorative rock. The components are designed for simple, tool-free installation and long outdoor life; note they are not intended for rotor sprinklers and do not retract into the original sprinkler casing.

How do these extenders improve spray coverage?

Raising the nozzle clears visual and physical obstructions so the intended pattern reaches plants and lawn more evenly. By lifting the nozzle above tall mulch, groundcovers, or edging, you reduce shadowing and miss zones caused by blocked trajectories. The extensions are stackable, allowing you to fine-tune the height for each head without changing nozzle type or pressure settings.

• Eliminates spray blockage from thick groundcover or ornamental rock
• Stackable pieces let you select precise height increments
• Maintains original spray pattern when properly positioned

Which sprinkler models will these extensions fit?

These extenders are compatible with many fixed pop-up spray heads that use 1/2-inch male risers and 1/2-inch female nozzles. They are specifically suited for Rain Bird 1800 series and Uni-Spray heads, and they also work with several Hunter, Irritrol, and Weathermatic spray models. They are not designed for rotor-type sprinklers, which have different riser and nozzle assemblies.

• Designed for Rain Bird 1800 Spray and Uni-Spray models
• Compatible with Hunter PRO-Spray, PS Spray, PS Ultra
• Works with Irritrol I-PRO and SL sprays, and Weathermatic LX sprays
• Not compatible with rotor sprinklers

How simple is installation and maintenance?

Installation is straightforward and generally requires no special tools: separate the nozzle assembly from the riser, add the extender(s), and reattach the nozzle. The kit includes a RotorTool screwdriver to assist nozzle removal and adjustment where needed. Periodic checks for debris, sun exposure, and secure connections will help maintain performance season after season.

• Tool-free installation for most spray heads; RotorTool included for assistance
• UV-resistant thermoplastic resists cracking and weathering
• Check seals after installation and remove debris as needed

Can I stack multiple extenders and will they affect retraction?

Yes — the extenders are stackable to achieve the height needed, but stacked extenders will prevent the nozzle from retracting back into the original sprinkler casing. That means they’re ideal where permanent raised positioning is acceptable, such as beds, slopes, or areas with heavy groundcover. Consider local foot traffic and mower clearance before choosing how many layers to use.

• Stack as required for desired spray clearance
• Stacking prevents sprinkler heads from fully retracting into the casing
• Best for fixed or protected install locations, not high-traffic zones

Who is this for: This IrriFix box set suits homeowners, landscapers, and irrigation technicians who need a quick, durable solution to lift pop-up spray heads above obstructions without swapping head types. It’s ideal for beds with tall groundcover, decorative rock installations, or retrofit jobs where preserving existing plumbing and nozzle patterns matters. If you require retractable heads in high-traffic areas, consider alternative solutions that maintain full retraction.