ADS Controls manufactures Domestic Solar Water Heating System with Built-in Back -up Heater. ADS Controls offers different types of auto pump controlling systems, auto light controlling systems, and solar system for hot water / related works, building water pumps, bore well drilling submersible pump fitting, water tank cleaning, water treatment plants - for sewage / waste water etc. Domestic Solar Water Heating System with Built-in Back -up Heater is available in three models. This Domestic Solar Water Heating System is easy to install and operate.