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.
Where 1/2-inch and 3/4-inch ratings for PEX (and copper) plumbing pipe comes from is from the I.D. of the pipe. The PEX pipes are made with an I.D. that matches the I.D. sizing of its copper-pipe counterpart.ay! Once the plumbing was exposed, we found that we had 3/4-inch PEX supply lines coming to the bathroom, which were split inside the shower wall to two sets of 1/2-inch PEX lines: one set going to the shower, the other set going to the tub and sinks.