Magnetic Water Softener for Solar Water Heater Electro-Magnetic Water Conditioner for Solar Water Heater is an anti-scalar de-scalar that is applied externally to the pipe work or water treatment plant. It is a compact, state-of-the art, computerized system that is installed on the incoming/outgoing waterline of the Solar Water Heater. Benefits of Magnetic Water Conditioner in Solar Water Heater: Extended life of capital equipment, Reduction in lime scale build-up, Descaling of existing systems, Large energy savings, in Reduction in maintenance costs.