Solar controllers. Solar water heating systems PV powered UK = Solar panels + UK solar energy. Solar thermal: solar power & solar hot water.
Solar controller only £146 plus VAT and UK / Irish delivery.
For a limited period only, Solar Twin Ltd are offering half price solar controllers to DIY customers who are happy to install them themselves. Plus free delivery. Solar controllers are nifty white boxes which can be added to Solartwin installations which are more than about three years old to enable slightly finer control of the pump. It squeezes just a little more energy out of the panel.
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