Optim’O – Universal Rainwater Diverter Kit for Water Butts and Tanks
Optim’O is the latest-generation rainwater diverter kit designed to help you collect, manage and reuse rainwater efficiently. This diverter kit for water butt is an easy, eco-friendly and cost-saving solution to fill a water butt, allowing you to irrigate your garden or store clean rainwater for later use.
Compatible with most round and square downpipes (aluminium, zinc or PVC), the Optim’O installs in minutes – without cutting your downpipe – and connects directly to your tank or barrel using the included accessories.
Why choose the Optim’O rain diverter kit?
- Quick installation – no pipe cutting required
- Universal fit – round pipes (Ø80 / Ø100 mm) and rectangular (60×80 / 80×100 mm)
- Robust and long-lasting – made of 100% recyclable polycarbonate
- Eco-friendly – harvest rainwater free of limescale and chlorine
- 4 discreet colours – anthracite, grey, sand or white
- Clean water –ideal for gardens and washing
Unlike basic downspout diverters, Optim’O includes a full rain diverter kit with every component needed for a fast and secure setup. Its clever scoop system captures rainfall and channels it straight into your tank, helping you collect water quickly, even during light rain.
Optim’O helps you to make your garden grow!
ROBUST & SUSTAINABLE
Diverter with scoop made from 100% recyclable polycarbonate
EASY TO INSTALL
Quick to install without cutting the downpipe (watch tutorial)
4 COLOURS
Available colours: white, sand, grey, anthracite.
ADAPTABLE
Fits onto any type of downpipe (half round / rectangular) made of zinc, alu, pvc….
2 SHAPES / 4 SIZES
For round downpipes (Ø 80 and Ø 100) For rectangular downpipes (60×80 and 80×100)
ECONOMIC & ENVIRONMENT-FRIENDLY
Allows you to collect limescale- or chlorine-free rain water for free.
What’s in the kit?
Each Optim’O rainwater diverter kit includes:
- 1 mounting flange
- 1 scoop holder
- 1 scoop
- 1 sealing cap
- 1 90° elbow
- 1 installation kit (core drill, O-ring, 4 screws, 2 foam seals)
- 1 connection kit (straight fitting with locking nut + 20 cm hose)
Installation and compatibility
The Optim’O is compatible with all common downpipe materials and profiles:
- Round downpipes: Ø 80 mm and Ø 100 mm
- Rectangular downpipes: 60 × 80 mm and 80 × 100 mm
- Suitable for zinc, aluminium and plastic downspouts
A full tutorial video is available to guide you step by step. No specialist tools or plumbing experience required. Once your tank is full, overflow can be redirected to a second barrel or to the garden.
Tip: For maximum efficiency and a clean supply, we recommend installing a gutter leaf guard to pre-filter debris and protect your system from clogging.
A complete rainwater harvesting solution
- Works with standard water butts or large capacity tanks
- Faster fill time than many other water diverter kits
- Helps prevent overflow and backflow during heavy rain
- Can be temporarily disconnected thanks to the included cap
- Ideal for rainwater harvesting in both urban and rural settings
With its slim profile and neat finish, the Optim’O remains discreet on your façade and performs reliably in all seasons.
Make the most of your rainwater
The Optim’O is more than a rain diverter pipe – it’s part of a complete, sustainable approach to water management. Use it to:
- Feed a garden irrigation system
- Wash your car or bike
- Supply outdoor cleaning tasks
- Fill a pond or top up your pool
- Store backup water for dry periods