TORO Sprinkler Risers/Inners 34/35/54/55
Toro FLEX800 replacement riser assemblies
Replacement riser and internal drive assemblies for selected Toro FLEX800 golf sprinklers. Choose the exact sprinkler family, arc type, trajectory arrangement and nozzle-number group shown in the variant name. The valve-in-head body and solenoid are not included.
Variant guide
| Riser family | Arc and trajectory | Available nozzle groups |
|---|---|---|
| FLX34 | Full-circle; dual trajectory at 15° or 25° | 31–34 or 35–37 |
| FLX35 | 40°–330° part-circle or true full-circle; dual trajectory at 15° or 25° | 31–34 or 35–37 |
| FLX35-6 | 40°–330° part-circle or full-circle; 24-position TruJectory from 7° to 30° | 31–34 or 35–37 |
| FLX54 | Full-circle; dual trajectory at 15° or 25° | 51–54 or 55–58 |
| FLX55 | 40°–330° part-circle or true full-circle; dual trajectory at 15° or 25° | 51–54 or 55–58 |
| FLX55-6 | 40°–330° part-circle or full-circle; 24-position TruJectory from 7° to 30° | 51–54 or 55–58 |
Selection and installation
- The final radius and flow depend on the fitted nozzle, stator, pressure and site conditions; do not choose only by the 34/35/54/55 family number.
- Toro publishes a recommended operating range of 4.5–6.9 bar for the assembled sprinklers, with a 2.8 bar minimum and 10.3 bar maximum.
- Match 34/35 risers to a compatible 1-inch body and 54/55 risers to a compatible 1½-inch body.
- Shut off the water supply and bleed residual pressure before removing a riser or servicing the main valve.
- When installing 35/55 risers, align the riser and ratchet-ring references before securing the snap ring.
Choose the matching Toro FLEX800 body and solenoid.
See the supporting gallery image for Toro’s FLX35/55 dual-trajectory nozzle adjustment. It applies only to the dual-trajectory FLX35 and FLX55 variants; FLX34/54 and FLX35-6/55-6 need their own model instructions. Never stand or lean over a sprinkler during filling, operation or servicing. Shut off the supply and relieve residual pressure before removing a riser or main valve. Retain the full guides below for arc adjustment, service and exact nozzle/stator tables.
Toro FLEX34/54 installation and nozzle tables (PDF), Toro FLEX35/55 installation and nozzle tables (PDF) and Toro FLEX35-6/55-6 specifications (PDF).
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