A pressure test is a diagnostic procedure for plumbing, HVAC, and other pressurized systems to confirm integrity and leak-free performance. Technicians apply water or air at a specified pressure to verify pipes, joints, and components can safely handle operating conditions. Pressure testing is common for new installs, repairs, and inspections.
/ˈprɛʃər tɛst/
A pressure test is a diagnostic procedure for plumbing, HVAC, and other pressurized systems to confirm integrity and leak-free performance. Technicians apply water or air at a specified pressure to verify pipes, joints, and components can safely handle operating conditions. Pressure testing is common for new installs, repairs, and inspections.
What does a pressure test check?
It verifies that pipes and fittings can hold pressure without leaks.
Source: The Cooling Company
Apply test pressure, monitor gauge, confirm no leaks.
Before a new water heater goes online, a pressure test confirms the plumbing is sealed and safe.
Use the correct test pressure and monitor the gauge closely, especially on older systems.
“Use the correct test pressure and monitor the gauge closely, especially on older systems.”
Pressure testing has been a standard practice in piping systems for decades to verify safety.
Is a pressure test required for new plumbing?
Often yes. Many jurisdictions require it to pass inspection.
Can pressure testing damage old pipes?
If the pressure exceeds design limits it can, which is why proper test levels are critical.
How long does a pressure test take?
It varies, but most tests involve pressurizing and monitoring for a set period.
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