A pressure gauge is not a decoration on a pipe. It is the fastest way to answer three questions: is the system safe, is it working, and where is the problem? You will find pressure gauges anywhere a gas or liquid is con...
On a 40 psi water line, a gauge mounted 7 feet below the pressure tap can read about 3 psi high before the system even starts. That error is enough to confuse pump control, mask a clogged filter, or make an operator adj...
If you have ever watched a steam boiler operator tap a dial before opening a valve, or seen a technician check the refrigerant charge on an air conditioner, you already understand why pressure gauges matter. They turn a...