Rarely used and only removed due to renovation and alternative heating system installed. The Marlec iBoost+ Heater Controller Solar Panel Kit is a reliable and efficient solution for harnessing solar energy in your home. With its sleek white design and innovative technology, this solar panel kit from Marlec is perfect for those looking to reduce their carbon footprint and save on energy bills. The iBoost+ model, originating from China, offers easy installation and effective heating control, making it a practical choice for DIY enthusiasts looking to embrace alternative energy supplies.