Rain Reserve 2012303 Complete Rain Water Diverter Kit For Rain Barrels


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SKU: 11385613
MFG: 2012303


The Complete Diverter Kit/System includes everything needed for rain diverting except a barrel. The RainReserve diverter connects to your downspout and diverts water into the barrel while allowing debris to continue through the downspout. If your barrel becomes full, overflow rain is sent back through the downspout, eliminating the risk of costly flooding. The system is completely closed, preventing mosquitoes and other nuisances from entering your barrel. The Complete RainReserve System includes the RainReserve diverter, 6 feet of expandable and collapsible white tubing, easy-to-install (diy), self-sealing fittings, a high-flow spigot and a non-standard size (1 3/16”) spade bit. An extra outlet is available for future expansion. Adapter included for 3x4 downspouts. All products are made in the USA using sustainable materials and practices. 

  • Complete rain water diverter kit for rain barrels
  • Contains: rain diverter, tubing, high flow spigot, hole saw 1-3/16", barrel seals, tubing adapter, spigot adapter.
  • Easy to install


RainReserve Diverter Features:

The RainReserve Rain Diverter diverts rain water from your gutter downspout into any barrels or tanks. The Rain Diverter Kit automatically prevents: barrel overflow, algae, large debris, mosquitoes, and other critters. These problems require constant maintenance without the RainReserve Rain Diverter Kit. The Rain Barrel Diverter can connect to virtually any open/closed rain barrel or water tank. With the RainReserve Rain Barrel Diverter Kit you get the flexibility to place the barrel away from the downspout to conceal and even add unlimited barrels/tanks to one downspout. Nitrogen rich rain water is easily accessible with included High Flow Spigot.

You can harvest rain water for: washing your car, washing your pets, flushing toilets, and watering your garden. Gardeners use rain water instead of tap because rain water does not contain harmful chemicals like fluoride and chlorine. Rain water has nitrogen and CO2 which plants need in order to grow, without these a garden will die. For this reason gardeners consider rain water, rain barrels, and RainReserve Rain Diverter as very important garden supplies.

Our high-performance Rain Diverter and parts are the most eco-friendly on the market and includes themost features and capabilities. Installation is made simple and quick with an easy to read Installation Manual. Whether your goal is to save money on utilities, save water, be kind to your lawn and garden, or to help the environment; RainReserve is the answer.

Ability to withstand extreme rainfalls, freezes, and debris due to the open design.

Limitless capacity:
The system can be used with any size barrel/tank, and can be sourced locally to reduce carbon footprint and costs of shipping. The system supports unlimited barrels/tanks. Use of the Connector Kit can further increase the capacity by daisy chaining barrels together. Major costs savings are achieved when using multiple water tanks/rain barrels.


Eco Friendly Rain Diverter:
Made of a durable UV resistant hybrid bio resin plastic, thick wall construction to last a lifetime.

  • Dual outlet ports for parallel filling of two rain barrels/water tanks if desired.
  • Automatic Overflow causes the rain water to back up into the downspout and uses the existing house drainage system when the tank/barrel is full
  • Two methods of house attachment, for brick and direct connect.
  • The Rain Diverter system's design allows for large debris to bypass the rain barrel/water tank, internal features further reduces debris.
  • Includes an access door for quick and easy annual maintenance.
  • Made in the U.S.A.

High Flow Spigot:

  • Flow rate: 10 gallons/minute (assuming 55 gallon barrel elevated 8"), 2-3 times faster than similar products on the market.
  • Garden Hose Threads for use with garden hoses and soaker hoses.
  • Made from recycled (eco-friendly) Poly-Propylene (PP)
  • Made in the U.S.A.

2 Barrel Seals:

  • For use with any size rain barrel/water tank, steel or plastic
  • Installed easily from the outside of any closed barrel/tank.
  • Made in the U.S.A.

Spade Bit:

  • 1-3/16" in size, odd size.

Spigot Adapter:

  • Made from recycled (eco-friendly) Poly-Propylene (PP)
  • 1" Inner Diameter (ID) for maximum flow
  • Made in the U.S.A.

Hose Adapter:

  • Made from recycled (eco-friendly) Poly-Propylene (PP)
  • 1" Inner Diameter (ID) for maximum flow
  • Made in the U.S.A.


  • Sealing tape for no leaks.
  • Just enough, with no waste.

6' of Tubing:

  • 1-1/4" Inner Diameter (ID) to maximize water flow.
  • White in color to disallow organic growth.
  • Collapsable/Expandable and flexible, allows you to place the rain barrel/water tank where it is most convenient.
  • Made in the USA.

Do Not Drink Sticker:

  • To be placed on rain barrel/water tank to discourage drinking recycled rain water.
  • Made from UV protective and recycled (eco-friendly) plastic material
  • Made in the U.S.A.

Winterization Caps:

  • To be placed on Rain Diverter outlets for quick and easy winterizing.
  • Made in the U.S.A.

Six Self Tapping Screws:

  • Six screws for direct attachment to the house or supported attachment to the downspout.
  • Made in the U.S.A

Installation Manual:

  • 4 simple steps and includes all of the tips to finish the project
  • Made from 100% post-consumer recycled paper
  • Made in the U.S.A.


Rain Reserve