About The Test Product


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Part No: 2b1cTEST

Enjoy Free Hot Water From Your PV Array

(57 customer reviews)

With Solar iBoost+™

Solar iBoost - PV Immersion Diverter

How It Works

The Sender and Clamp measure how much export you have generated and sends the export readings wirelessly to the Solar iBoost+

Solar iBoost Sender and clamp

When excess is detected the Solar iBoost intelligently controls the flow of export energy to the immersion.

Water in your tank is then heated over the course of the day using the free solar energy that is generated at your home.

Solar iBoost - PV Immersion Diverter

Why Solar iBoost+™ 

  • The Solar iBoost+ is the UK’s best selling PV immersion controller.
  • Allows you to cut the cost of water heating and reduce the use of your boiler in your home.
  • Enables you to maximise the use of the free solar energy generated at your property.
  • Remotely monitor and control your Solar iBoost anywhere in your home with the optional iBoost Buddy.
  • Backed by the UK’s oldest renewable energy company.
  • Easy to install to a new or existing system in less than 30 minutes.
  • Programmable threshold upto 500W for battery storage .
  • Over 250 Solar iBoost approved UK installers.

Watch your Savings Grow 

If you have invested in Solar PV for your home then you will already be aware that there are periods of “export,” when you can’t consume all the energy being generated by the array. This energy normally flows back to the grid seamlessly so you may not even be aware of it.

If your home has hot water storage with an immersion heater then Solar iBoost+ can be installed and start saving you more money on heating bills in less than 1 hour!

Solar iBoost’s built in display means that you can watch your savings grow, simply press the display button to see Saved Today, Saved Yesterday, Saved 7 Days, Saved 28 Days and Total Saved readings.

The built in programmable timer enables 2 switches on per day for weekdays/ weekend and you can set up separate winter and summer settings selectable at the press of a button.  Also switchable from iBoost+ Buddy.


Wireless Technology

The wireless feature is as standard and allows the clamp and Solar iBoost+ to communicate. It also makes installation quick and eliminates the need for messy wiring in the home.

Clear Display For Monitoring Your Savings

Clear display for reading how much energy you have saved. At the press of a button you can check Saved Today, Saved Yesterday, Saved Last 7 daysSaved Last 28 Days and Total Amount Saved.

This is also displayed on the optional iBoost+ Buddy.

Supports Dual Immersion Systems

The Solar iBoost+ automatically heats up to 2 immersions. When the first immersion reaches the pre-set temperature the energy cascades to the second immersion. The system prioritises immersion 1 by checking back to it at 15 minute intervals. Use the Solar iBoost+ built in timer to replace any overnight economy energy water heating.

MegaFlow PV ready cylinders are fitted with Solar iBoost+ 

Flexible Manual Boost And Programmable Timer

We understand that the variable nature of generating your own renewable energy means that you want to both top up and plan when you have hot water. With Solar iBoost+ you have complete control.

The Boost button switches grid power immersion when hot water is needed at short notice, it effectively replaces the switch and gives greater control. Each press of the button increases the time on by 15 minute increments up to 2 hours. Also switchable from iBoost+ Buddy

The built in programmable timer enables 2 switches on per day for weekdays/ weekend and you can set up separate winter and summer settings selectable at the press of a button.  Also switchable from iBoost+ Buddy.

Compatible With Any Battery Storage System

Adjustable parameters for compatibility with battery storage that allows you to set the cut-in threshold up to 500W.  Allowing your battery storage to take priority.

Responds Rapidly To The Varying Home Consumption

The Solar iBoost responds rapidly to the varying home consumption and changing weather ensuring that only excess power is used.

Six Language Options

Built in option to change language to French, German, Italian, Portuguese and Spanish

CE Compliance To All Product And Safety Standards

EN60730-2-7, EN301 489-3, EN300 220, EN60335-1, EN55014-1, EN55022 (Tested independently)

Control and Monitor Remotely With The iBoost+ Buddy

The iBoost+ Buddy is the wireless home energy monitor and remote control for your Solar iBoost+

The eco-gauge lets you know when unused energy is available so you can switch on appliances. It uses a traffic light system to alert you when energy is flowing to the grid so you can decide to switch on appliances rather than export it.


  • Connects wirelessly with Solar iBoost+
  • Keep it handy to see Solar iBoost+ water heating savings displayed remotely
  • View the changing net energy consumption or export levels in your home
  • Remote control the Boost function
  • Simple pairing procedure

Find Out More Here

2 Year Warranty

2 year warranty as standard from date of purchase.

Solar iBoost - PV Immersion Controller

What’s Included

  • Solar iBoost+
  • Sender Unit (2 x AA Batteries Included)
  • Clamp and Cable
  • Fixing Screws
  • Solar iBoost Manual
  • Installation Template

Optional iBoost Buddy for remote control and monitoring of your Solar iBoost.

Find Your Nearest Approved Installer

View Our Frequently Asked Questions


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