2,100 Square Foot Rainwater Harvesting Kit – Below Ground

$2,503.00

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Part Number: RMS-2100-B

For Roof Collection Areas up to 2,100 square feet

 

The RMS 2,100 Square Foot Rainwater Harvesting Kit for below ground applications is a complete collection and pumping package designed for roof drainage areas up to approximately 2,100 square feet. Engineered specifically for underground cistern applications, this system combines premium filtration, sediment management, overflow protection, and submersible pumping technology to provide a dependable source of harvested rainwater.

Rainwater first passes through the WISY WFF 100 Vortex Fine Filter, an industry-leading pre-filtration system that removes leaves, debris, and roof contaminants before water enters the storage tank. The included smoothing inlet gently introduces water at the bottom of the tank to prevent disturbance of settled sediment, while the multifunction overflow device skims floating debris and improves overall water quality within the cistern.

Stored water is delivered by the Grundfos SBA 3-45 submersible pump package, which is installed directly inside the tank for quiet, efficient operation. The integrated floating intake assembly draws water from just below the surface where water quality is typically at its best, helping protect the pump and improve system performance.

Ideal for residential homes, workshops, barns, commercial buildings, and sustainable construction projects, this package provides a professional-grade rainwater harvesting solution that reduces municipal water consumption while creating a reliable alternative water supply.

 

Why Choose This Package?

  • Designed for roof collection areas up to 2,100 square feet.
  • Specifically configured for underground cistern installations.
  • Premium WISY filtration and water quality management components.
  • Quiet and efficient Grundfos submersible pump system.
  • Floating intake technology improves delivered water quality.
  • Integrated overflow and sediment management features.
  • Complete package selected by rainwater harvesting professionals.
  • Easily expandable with additional storage, treatment, controls, and makeup water systems.

 

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WISY WFF 100 Vortex Fine Filter
  • Premium German-engineered rainwater pre-filter designed for superior debris separation.
  • Uses centrifugal vortex filtration technology to remove leaves, twigs, insects, and roof contaminants before water enters the cistern.
  • High water recovery rate while minimizing maintenance requirements.
  • Stainless steel filter insert provides exceptional durability and long service life.

Smoothing Inlet

  • Introduces incoming water at the bottom of the cistern.
  • Reduces turbulence and prevents settled sediment from being stirred up.
  • Helps maintain higher overall water quality within the storage tank.
  • Supports long-term system performance and reduced maintenance.

Multifunction Overflow Device

  • Manages overflow water during heavy rainfall events.
  • Removes floating debris, pollen, oils, and organic matter from the water surface.
  • Prevents pest and rodent intrusion through the overflow line.
  • Improves stored water quality by continuously removing materials that accumulate at the surface.

Grundfos SBA 3-45 Submersible Pump Package

  • High-efficiency 1 HP submersible pressure booster pump designed for clean water and rainwater harvesting applications.
  • Installed directly inside the storage tank for nearly silent operation.
  • Eliminates the need for a separate pump enclosure or pump house.
  • Provides reliable water pressure for irrigation, washdown, and other non-potable uses.
  • Designed for long service life and low maintenance operation.

Integrated Floating Filter with Suction Hose

  • Draws water from just below the water surface where the cleanest water is typically found.
  • Prevents sediment from the tank bottom from entering the pump.
  • Helps improve water quality while protecting pump components.
  • Food-grade hose materials are safe for rainwater storage applications.

Integrated Pump Protection Switch

  • Normally open switch provides low-water protection for the submersible pump.
  • Automatically shuts down the pump when water levels become too low.
  • Prevents dry-run conditions that can damage pump components.
  • Extends equipment life and improves system reliability.

Bulkhead Fittings

  • Provides watertight connections through the tank wall.
  • Creates secure plumbing penetrations for suction, discharge, and overflow piping.
  • Designed for long-term leak-free performance.

Schedule 40 PVC Fittings

  • Heavy-duty PVC fittings required for system installation.
  • Corrosion-resistant construction suitable for underground and outdoor environments.
  • Provides durable and reliable plumbing connections throughout the system.

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Questions?

Contact Our RMS Experts Today

Let RMS help you determine how a commercial or residential rainwater collection system can help you save money and protect our most valuable natural resource. Our team is ready to answer any questions you have and help you find the right solution.

(866) 653 – 8337

Virginia Headquarters
2550 Shenandoah Ave NW
Roanoke, VA 24017

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