For life beyond the water point
Water filtration for canal boats, off-grid homes and backup rainwater supplies. Put your own water source to work for everyday use and greater independence.
Choose your setup
Domestic + drinking water
Tank filling and a separate drinking-water tap, with additional UV-C treatment after your tank.
Includes: StageOne V3.1, StageTwo, FinalStage RO with tap, and an additional post-tank UV-C module.
£2,050.00
Canals & rivers
Filters freshwater as it fills your tank for washing, showering and everyday use.
Includes: StageOne V3.1 with pump, six cartridges and UV-C, plus strainer, hoses and fittings.
Collected rainwater
Wall-mounted filtration for washing, showers and a planned rainwater backup supply, with easy-mount keyhole slots and a small accumulator.
Includes: Rain V2.0 with pump, three cartridges, UV-C, pre-strainer and a small accumulator.
Domestic + drinking water
Fills your tank for everyday use and adds drinking water at a separate, low-volume tap.
Includes: StageOne V3.1, StageTwo and FinalStage RO with drinking-water tap.
£1,850.00
Already have suitable pre-filtration?
FinalStage RO →Clear prices. Buy online. No appointment or sales call needed.
Developed by Offgrid Water
Our StageOne and Rain systems are designed by founder Damian and UK-based product designers, and refined with every batch. Feedback from real installations helps us improve reliability and make the systems easier to use.
Meet Damian and read our storyContinual improvements to materials, components and ease of maintenance.
Filtration, fittings and accessories selected to work together, with clear installation guidance.
Start with the source
Fill your tank from freshwater sources. Compare tank-filling systems and drinking-water bundles.
Systems from £1,390.00 →02 / COLLECTED WATERUse stored rainwater for everyday needs or a planned backup water supply. Filtration for an existing tank or IBC.
Systems from £990.00 →03 / PRIVATE SUPPLIESStart with your water report and required output. Springs and other private supplies included.
Discuss your supply →Water resilience
A mains connection can still benefit from a separate backup water supply. Use stored rainwater to reduce reliance on the mains and plan for supply interruptions.
Offgrid Rain filters water for washing and showers. Add FinalStage RO for a separate drinking-water tap, with suitable storage, power and installation.
Explore rainwater and backup supplyLet's get the setup right
Answer three quick questions about your water source, use and setup. Get a recommended system and current price, without waiting for an email.
If your supply needs a closer look, we’ll explain what information will help and carry your answers into the contact form.
Help me choose →Inside the system
Hover over a numbered point or select a feature. On a phone, tap to explore.
Hover, tap or use the feature buttons. Where labelled, concealed components are marked on their casing; they are not exposed in this view.
Source
Canal. River. Lake. Rain.
Connect the inlet to a suitable freshwater source using the supplied strainer and hose. StageOne filters the water as it fills your tank.
For washing, showering and general domestic use. Add FinalStage RO after suitable pre-filtration for a dedicated drinking-water supply. Freshwater only; not saltwater or brackish water.
Filters
6 × 10-inch cartridges
Six cartridge stages treat the water before storage. The correct cartridge combination depends on the source and configuration.
Standard cartridge formats make replacement straightforward. Allow space to open the housings and change filters.
Uv-C
Integrated LED UV-C
The UV-C treatment stage is designed to inactivate bacteria, viruses and other microorganisms as water passes through the system.
The UV-C assembly sits inside the unit and is not visible from this angle.
Pump
10–12 L/min
The integrated brushless pump moves the filtered water into your storage tank. Output depends on the installation and filter condition.
An auxiliary priming pump is required if StageOne is installed more than 1 metre above the waterline. The pump itself is concealed in this front view.
Power
12V DC / 230V mains
Both power options are included, so you can choose the supply that suits your boat, cabin or other off-grid installation.
The front panel provides the system controls. Follow the instructions for your exact model when connecting power.
Frame
Powder-coated stainless steel
The V3.1 frame protects the system components in a compact, portable format.
W56.5 × D32 × H36.5cm. Allow extra space for hoses and filter changes, and protect the system from frost.
REAL SYSTEMS. REAL LIFE.
James walks through his Offgrid Water setup and how it works for him.
A real-world review of the wall-mounted unit.
These customer videos include earlier models. Use the current product page for the specification and components supplied today.
@offgridwater
Recent posts, customer setups and the next batch taking shape. Follow along on Instagram.
HELP WHEN YOU NEED IT
Choose online with the system finder. For installation questions, existing orders or an unusual setup, we’re here to help.
