Gestational diabetes also known as gestational diabetes mellitus (GDM), is when a woman without diabetes, develops high blood sugar levels during pregnancy. Gestational diabetes generally results in few symptoms. It; however, increases the risk of pre-eclampsia, depression, and requiring a Caesarean section.
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.
A reduced pressure zone device is tested with a device called a differential gauge. This gauge uses hoses attached to the various test cocks of the RPZD and checks to be certain that the check valve springs as well as the relief valve spring are not fouled and are working properly.