Rain Bird Falcon 6504 (F4FC) - 4 in. Pop-Up Rotor, Full Circle

The Rain Bird Falcon 6504 (model F4FC) is a heavy-duty 4 in. pop-up rotor engineered for large turf and commercial irrigation. It delivers consistent, long-range performance with durable construction, a water-lubricated gear drive, and field-proven Rain Curtain™ nozzle compatibility.

• Pop-up and dimensions: 4 in. pop-up height; overall height 8.5 in.; exposed diameter 2 in., minimizing trip hazards in play areas.
• Inlet and compatibility: 1 in. female threaded inlet (NPT or BSP). Nozzle not included; compatible with Rain Curtain™ color-coded nozzles for 39–65 ft radius.
• Performance: Flow range 2.9–21.7 GPM; operating pressure 30–90 PSI; precipitation rate approximately 0.37–1.14 in/hr depending on nozzle selection.
• Durability features: Water-lubricated gear drive, multi-function wiper seal, tapered plastic riser, and heavy-duty stainless steel retract spring for reliable pop-down.
• Anti-siphon and low-head protection: Removable Seal-A-Matic™ (SAM) check device prevents low-head drainage and holds up to 10 ft (3.1 m) of elevation change.
• Applications: Ideal for parks, athletic fields, schools, cemeteries, and commercial landscapes requiring up to 65 ft spacing and uniform coverage.

Designed for professional installers and contractors, the Falcon 6504 F4FC balances serviceability and long-term reliability. Choose compatible Rain Curtain™ nozzles and optional stainless-steel riser or purple cover where needed for vandal resistance or non-potable systems.