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                            | Heating Systems |  
                            | Warm Water Under floor heatingThis type of under floor heating utilizes extremely  robust temperature resistant plastic pipes which carry low temperature hot  water in a network of loops through the heated floor areas. These pipes can be  installed into solid floor slabs or screeds, heat transmission plates for  timber-built floors or into a variety of different ’carrier’ boards for  different types of floor build up.
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                | Water heater
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                | The  installation drawings in this bulletin are typical. Check local code  requirements for vacuum breaker devices and cold-water inlet check valves. If you install a  check valve in any of these systems, you must install a thermal expansion tank.There are two methods of installation: series and parallel, means  to pipe together with several apertures that make multiple connections. That is  what man folding is all about.Parallel  Installation
 Parallel installation uses heaters  that are identical in input and storage capacity. Normally, parallel  installation is used when there is a demand for large quantities of hot water  over a short period of time, such as filling a large garden tub or back to back  showers.
 Equipment being equal, two or more  heaters connected in parallel will deliver more hot water than the same heaters  connected in series. In a parallel configuration, the hot water demand is taken  equally from each unit.
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