The Solar direct external stainless steel unvented cylinder, has one coil for the solar heat input with twin immersions heaters as back up. It still gives you the same Megaflow performance of high pressure hot water when used in conjunction with a heat source and attached to the mains pressure cold water to give mains pressure showering and fast filling bath, with the added benefit of lower running costs.

Designed for use with a wide range of solar systems they are environmentally friendly and an efficient way of providing domestic hot water by using a specifically designed coil in the base of the cylinder which gives maximum heat input and efficiency from the solar energy. They are available in Thermsaver Solar vertical, horizontal, single coil.