What this method contributes
Testing a whole network can leave several possible explanations. Where isolation is practical, a more focused test helps assess a particular supply or circuit. Conditions, temperature and valve behaviour are considered when interpreting changes. Suitable checks are also part of assessing the completed repair.
Where it can be useful
- Heating circuits
- Hot and cold supply sections
- Checks after plumbing repair
A pressure change does not pinpoint an opening location. The engineer selects suitable conditions for the actual system.
Why methods are considered together
Several observations can support a more useful decision than one isolated result. We consider the symptom history, accessible plumbing and system behaviour alongside specialist findings. The equipment is selected for the property and its conditions.
There is no need to select a test yourself before enquiring. Explain what you have noticed and share any previous findings. We can then agree an appropriate investigation.
The next decision is about access
The evidence informs where a concealed pipe may need to be reached. Suitable tracing can reduce speculative opening, but the plumbing repair still needs physical access. Restoring the surrounding finishes is a separate stage.
Related service: Central heating leak detection.