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PEX Tubing from Mr PEX and HousePEX - PEX Accessories for 5/8 Inch PEX Pipe

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Addtional Information:

5/8 Inch PEX Tubing is a least common sizes of PEX Pipe for Residential Radiant Heat Systems.   However, you can run longer loops than 1/2 inch PEX up to 400 feet or less. For this size PEX - it would be a good idea to use this for larger Cement Slab installs or for connecting separate systems. We would not recommend that you use this for under the floor as it has a much larger bend radius. We recommend PEX A as it is more flexible and can be un-kinked with a heater when kinked. Other PEX such as PEX B this is not possible.  Thermal heat mass Creatherm works with 5/8 inch pex tubing and we also have PEX Radiant Manifolds are also available from 2 loops up to 13 loops. 

We have a lot more information on Radiant PEX Heating Installs - Click here to see our Radiant Heating Learning Center