The pipe works as the core of your floor heating system connecting up the entire system whilst transferring hot water around it. For this reason, the pipe must have good heat transfer characteristics to allow the circulating heated fluid to effectively distribute heat.

The diameter of the pipe also has a direct impact on the hot water flow rate and heat output. The wider the pipe, the more hot water it can hold and the faster it will move through your floor heating system. Getting the right size of tube is crucial to maximizing occupant comfort and efficiency of your UFH system.

For this reason, LESSO recommends the use of PE-RT (polyethylene at raised temperature resistance) pipes, specifically designed for radiant floor heating systems. They are non-corrosive, flexible, resistant to high pressures and temperatures and come with an oxygen barrier layer to prevent the diffusion of oxygen into the system.

With this protection against oxygen, you will get longer system lifespan and improved performance compared to conventional copper pipes. Plus, PEX is easier to work with than metal and doesn’t degrade over time causing leaks.

The next consideration when choosing your floor heating pipe is the spacing standard. The recommended spacing depends on a number of factors such as the specific project and local regulations. It is best to consult with a professional HVAC engineer or reputable floor heating system provider when making this decision, as they will consider the specific heat requirements and floor construction to provide accurate recommendations. floor heating pipe

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