Rainman Watermaker

Portable and Installed Rainman Watermaker System Specialists
Rainman Watermaker SystemsREQUEST INFORMATION


Rainman watermaker systems can be purchased in a portable or installed format. Convert between configurations as to best suit your needs.

Portable Rainman Watermaker

These systems are ideal for applications with AC or DC power onboard.

No Installation required – ready to go in 10 minutes or less!

Installation watermaker

Rainman systems are ideal for installation – single motor configuration, all hardware and mounts included – taking the stress and expense out of installation. 

Gasoline watermaker

Gasoline Watermakers are ideal for true redundancy. Ideal for applications that have no external power supply available.

rainman watermaker desalination systems

Water, Water Everywhere – And Every Drop To Drink

Demand for fresh water has increased dramatically in recent decades.

Many of us now expect daily fresh water showers, pressurized plumbing, and unlimited drinking/washing water. Having an operational desalination system available provides independence and flexibility.

Onboard, a Rainman watermaker provides a clean, reliable and convenient source of water regardless of your location on the globe. Onshore, Rainman Watermakers provides property owner, rescue team, survivalist and off-grid facilities with both a clean and reliable source of fresh, clean drinking water for personal and operational use.

Until now, the only option has been a complex and proprietary built-in desalination system. The high cost, complexity and maintenance requirements of such systems have been daunting, often requiring static downtime and technician call outs when maintenance or repair is required.

Introducing the worlds first simple, low maintenance and inexpensive watermaker that doesn’t need to be installed and is built to operate as a fully functional primary system – providing an uninterrupted water supply, and peace of mind that won’t break the bank.

With a range of portable and installation Rainman Watermakers and Desalination systems, these simple to operate watermakers are capable of producing up to an impressive 37 Gallons Per Hour, and if the requirement to permanently or partially install your Rainman Watermaker into your vessel exists, these systems can be integrated at will, without a complex installation.

Rainman Watermakers are available in both Portable and Installed configurations. Each can also be converted to the the other for maximum flexibility! Portable and installed systems allow for you to choose the best fit for your application as your preference changes. 

portable Watermaker

Portable Desalination Rainman watermaker operations

The Rainman Watermaker – portable configuration – comes ready to operate out of the box. With the first time set up of your portable desalination in as little as 10 minutes, you can benefit from a fully functional, and extremely robust portable desalination system right away – without the cost, downtime or complexity of installation.

installation Watermaker

how to install rainman watermaker

Rainman watermakers can be installed within there cases, or as a traditional installation module (by simply removing the blue cases). This gives you infinite flexibility should you choose to install your watermaker upon delivery, or if even you decide to in years from now. A range of accessorys are available to help you install your Rainman watermaker in our parts store.

Rainman Watermakers are solid and robust portable desalination systems – designed for the rigors of the maritime environment and built with ingenuity, with the most popular of the systems needing nothing more than a small portable generator to operate, and our gasoline systems being completely independent, and backed by the global and prestigious Rainman and Honda warranty. Check out the videos below to see out most popular portable desalination systems in action and why you too will love the Rainman Watermakers.

Electric Watermakers

Rainman watermakers are quick and easy setup, yet simple and reliable to operate – our 115V rainman desalination systems are the most popular system on the market.

Gasoline Watermakers

True portability – our gasoline systems require no external power, and are the icon of true efficiency. 1 Gallon Of Gasoline = 140 Gallons Of Water. No Power – No Problem.



Looking for assistance in selecting your watermaker? Use our system selection guide

for step by step guidance in selecting your perfect Rainman Watermaker System.

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