The city code for new home construction states the psi cannot be higher than 80.
Water pressure reducing valve installation.
Mount the fitting upon the water pressure reducing valve and then fit this into position.
So the home inspector will always recommend getting the valve installed in any home new or old with a psi of 80 or higher.
Take the water pressure reducing valve and attach it to the fittings.
Warm up all of these fittings with the soldering torch and then apply some suitable caulking paste to the edges of the fittings.
Take the time necessary to install the extra piping on the high pressure side of your water service line to allow you to keep high pressure at certain fixtures.
Unions at the valve.
There are two types of water pressure reducing valves direct acting and pilot operated which use globe or angle style bodies.
Apply the coupling and put in the adapter.
Remove the pressure gauges and rubber o rings from the valve assembly.
If the pressure is excessively high install a pressure reducing valve.
Using threaded pipe and fittings attach a pressure gauge to each side of the pressure reducing valve.
If you install your valve the wrong way around the flux will not serve to block the water and the pressure will not be reduced.
If you install a pressure reducing valve before the hose bib branches you will lose your wonderful high pressure.
Use a tubing cutter to remove a section of water pipe as indicated by the marks made in step 4.
Shut off the water to the house then drain water from the plumbing system.
Installed directly after the water meter in homes commercial buildings and manufacturing plants a water pressure reducing valve automatically reduces the pressure from the water supply main to a lower more sensible pressure.
For the home inspector this is an issue of liability.
Hold the valve assembly against a water pipe and mark where to cut the pipe.
Turn off all the water.
So any new home will have one of these valves installed.