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TL;DR: If a backflow device fails a test in Christchurch, it means it may not be preventing reverse flow properly. The device will need to be repaired or replaced, and then retested to confirm it is working correctly.
A failed backflow test indicates that the device is not operating as intended.
This could mean it is not fully stopping water from flowing backwards under certain conditions.
If a backflow device is not working correctly, there is a risk that contaminated water could enter the clean water supply.
This is why failed devices need to be addressed promptly.
A device may fail a test due to:
These issues can affect how the device responds to pressure changes.
If a device fails:
The goal is to restore proper function.
Once any work is completed, the device is usually tested again.
This confirms that it is now operating correctly and providing protection.
In some cases, test results may need to be recorded for compliance purposes.
A failed test may require action within a certain timeframe.
Ask MJ
If it doesn’t pass, it won’t protect your water.
That is why it needs to be fixed.
MJ Robertson is a maintenance company specialising in plumbing across Christchurch.
When a device fails a test, the focus is on identifying the issue and restoring proper operation.
This may involve:
The aim is to ensure the system meets requirements and continues to protect the water supply.
Action should be taken promptly if a device fails a test.
Delays can increase the risk of issues and may affect compliance requirements.
If a backflow device fails a test in Christchurch, it is a sign that it needs attention.
Repairing and retesting ensure the system continues to protect the water supply.