Applications ? Cold water service ? Potable water systems ? Underground fluid distribution ? Anywhere that hot or cold fluid distribution is needed (within the temperature and pressure limitations) ? Fiber optic cable distribution ? Water distribution piping to manifolds, hydronic coils in air handlers, etc. Other Applications ? Residential, commercial and industrial radiant floor/wall/ceiling heating ? Snow and ice melt systems ? Soil conditioning in greenhouse/stadium applications ? Hot water baseboard heating distributions ? Radiant cooling PEX Storage/Installation - Warning Like most plastic materials, all cross-linked polyethylene is subject to ultraviolet (UV) deterioration and must not be exposed to sunlight, either direct or indirect, before or after installation. Storage outside is not recommended but if this becomes necessary, the tubing must be covered with a material which will protect it from ultraviolet light.