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|1. (WO2017175015) HOT WATER RECIRCULATION SYSTEM|
|Title:||HOT WATER RECIRCULATION SYSTEM|
The provision of hot water supply system  is a set of a recirculating mechanism  and a system of the Thermostatic Recirculation Valve  which result to the recirculation of water, pushing the water to be separated into individual networks, to be flowing in circles and be reheated inside the heating source . The provision contains jumpers, a pump , non - return valves , expansion vessels  and sensors [136, 137, 138] and it's being controlled via a control system . The main component is the Thermostatic Recirculation Valve , which bridges the branches of individual subnets, enabling through this connection the water to flow. The thermostatic valve incorporates a thermostat  or a bimetallic strip  or another thermal expendable system, and restores it to its original position, stopping the recirculation. In addition, another basic layout is a special pump , which contributes to the increase of pressure in the water network to overcome not only the pressure of the grid but also the friction.