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.
The first step of pressure testing is to make sure that all of the PEX tubing is undamaged and properly fastened to the manifold. The next step would be checking the fitting and manifold connections to ensure they are properly secured. If there are any connections that look like they should be re-done, then do so.