Great product for making the most of solar power by using surplus generation to heat your hotwater.
Verified purchase: Yes | Condition: Pre-owned
If you have solar panels & an immersion heater, we have 1 in our unvented water tank, this nifty little box will constantly top up your hot water. It works by sensing when you are exporting excess electricity back to the grid, it then transfers that excess into your water tank/immersion heater and you will have a constant supply of free hot water. Even in the dark dingy days of winter you will get some hot water. Obviously the more light/sun the quicker and hotter it warms up. A fantastic bit of kit 👍
Verified purchase: Yes | Condition: New
A good controller would have liked cable clamps easy to install and set up. Using the water tank as a battery to store the electrical energy.
Verified purchase: Yes | Condition: Pre-owned
Great, does exactly what it says on the box. Seems to work fine with battery storage too, which was one of my initial concerns. Happy with this purchase and a good price from this seller.
Verified purchase: Yes | Condition: New
Uses excess electricity to heat the hot water cylinder. We now have hot water without having to run the gas fired boiler. Simple to install.
Verified purchase: Yes | Condition: New
Great bargain! As new item. 1/2 hr to wire up, worked 1st time. Great Ebayer.
Verified purchase: Yes | Condition: Pre-owned
Easy to install and set up. Also replaces a standard time switch.
Verified purchase: Yes | Condition: New
Free hot water
Verified purchase: Yes | Condition: New
Works as advertised, a little fan noise when operating.
Verified purchase: Yes | Condition: Pre-owned
Fitted and working, thank you
Verified purchase: Yes | Condition: New
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