Nelson Mechanical gets called in by a homeowner who wants a high-end radiant system without ANY plastic components—is that ...

PEX, a flexible tubing that comes in long rolls ... Pipes that are encased in concrete (for in-floor heating, for example) ...

Heated floors, often called radiant floors or ... or a water heater runs through loops of flexible plastic tubing called “PEX.” (PEX can be used for household water supply lines too.) ...