tender for supply of hybrid control with phase change module , hybrid control with phase change module , • tank ( hot water tank ) o capacity 50- 100lit o with constant temp maintaining unit up to 100 °c, o mounted above the heat exchanger to ensure constant water flow by potential energy • cold water tank o capacity 50-100 lit, normal room temperature • pipelines o material: cpvc, o all insulated by glass wool • heat exchanger with temperature monitoring system o tubular type, o inward water flow, o outside pcm tank , o size: 1 to 1.5kg wax storing capacity o outside transparent material, o ease of opening and close of pcm tank ( can be easily filled replaced with other pcm ) o temperature sensors placed at different locations of pcm tank, distributed along the length also radial, o temp sensor at inlet / outlet water flow of he, • data logger o multiple channel for all temp sensors, o real time monitoring and storing with respect to time o vertical position o bottom water in o top water out • collecting tank 100 litres capacity • pump - required size • flow control valves, gate valves, flow meter ( corresponding to selected pipe size ) => limited