Diameter of pipes in the heating system
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Heating system pipe diameters:
For the boiler circuit, it is recommended to use a pipe that is a multiple of the boiler's bore. For example, if the boiler has a 3/4" connection diameter, use 32mm polypropylene or 26mm metal-plastic; if the boiler has a 1" thread, use 40mm polypropylene or 32mm metal-plastic.
For Leningradka, it is recommended to use 32mm polypropylene or 26mm metal-plastic. Radiator risers should be 20mm.
Double-pipe, main run of 25mm polypropylene or 20mm metal-plastic, if the number of radiators does not exceed 8.
Manifold, radiant pipe of 16mm metal-plastic. It is not recommended to install more than two radiators on one branch.
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