Examples of EDTV sources are: 1  DVD players featuring DVI / HDMI outputs (with built-in HDTV scalars) 2  Video image processors (scalers) 3  Digital cable Set Top Boxes (STB) that offer EDTV service. 4  Digital satellite receivers that offer EDTV service (i.e.
All PEX pipe must meet the same. qualification requirements as specified in the PEX. Standards. Continuous use temperature ratings as high. as 200Â°F (93Â°C) are required as well as standardized. chlorine resistance testing to ensure that the piping will. withstand the most aggressive drinking water conditions.
PEX tubing, PVC pipe, and CPVC pipe marked âNSF-61â or âNSF-PWâ indicate that they have passed testing for potentially harmful chemicals leaching into the water. Another option is to install a water filter to remove chemicals present in the water.