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Brand: K-Rain    SKU: 6606

Product Overview

The K-Rain 6606 is the full six-zone configuration of the heavy-duty 6000 Series distributing valve. Its installed six-zone cam advances water through all six physical outlets as the upstream pump or control valve shuts off and restarts.

The valve is designed for high-flow pump systems, high-capacity city-water irrigation, and approved onsite wastewater or effluent applications. It combines a die-cast metal upper housing with a high-strength ABS polymer six-outlet body. The 1½-inch female NPT inlet and six 1½-inch slip outlets support larger piping, while the listed 15- to 150-GPM flow range and 25- to 150-PSI pressure rating accommodate demanding distribution systems.

Only the stem-and-disc assembly moves during normal indexing. A built-in atmospheric vacuum breaker helps the valve drain and reset between cycles. For reliable six-zone operation, every outlet must be piped appropriately, the valve must remain vertical, and the upstream source must stop flow completely before restarting. Separate code-required backflow protection may still be necessary.

Key Features

  • Six-outlet body with six-zone cam
  • Uses all six outlets sequentially
  • Die-cast metal upper housing
  • High-strength ABS polymer outlet body
  • 1½-inch NPT inlet and six 1½-inch slip outlets
  • 15- to 150-GPM flow range
  • 25- to 150-PSI operating range
  • Built-in atmospheric vacuum breaker
  • Seven-year current manufacturer warranty

Common Uses

  • Six-zone pump-fed irrigation
  • Large residential and commercial landscape systems
  • High-flow city-water distribution
  • Approved six-zone wastewater or effluent applications

Compatibility and Installation Notes

Install vertically, connect all six outlets in the intended sequence, and use the approved NPT and solvent-weld procedures. Verify the pump, piping, and upstream control can supply the required flow and create a complete off cycle. Protect the valve from freezing and maintain any separate backflow device required by the installation.

Frequently Asked Questions

Does the 6606 include the six-zone cam?

Yes. It arrives configured to use all six outlets.

Can it operate fewer zones?

Yes. A compatible replacement cam can configure the body for two, three, four, or five zones.

Does it need electrical zone valves?

No. The outlet selection is water operated, although the upstream pump or control valve may be electrically controlled.

Why Buy the K-Rain 6606 from Big Frog Supply?

The 6606 provides maximum zone capacity in the durable 6000 Series with the correct six-zone cam already installed. Big Frog Supply also carries every major internal repair component, making the valve serviceable rather than disposable.

Product Type Heavy-duty water-operated indexing valve
Manufacturer Part Number 6606
Series K-Rain 6000 Series
Installed Cam 6-zone cam
Operating Zones 6
Physical Outlets 6
Upper Housing Die-cast metal
Outlet Body High-strength ABS polymer
Flow Range 15-150 GPM
Pressure Range 25-150 PSI
Built-In Vacuum Breaker Atmospheric type
Electrical Zone Solenoids Required No
Manufacturer Warranty 7 years

Height 7 in.
Width 8 in.
Inlet Size 1-1/2 in. female NPT
Outlet Size 1-1/2 in. slip
Physical Outlets 6

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