Mains injections

What is a mains injection?

A mains injection is the process of disinfecting all associated pipeworks for hot and cold feeds to a site, including tanks. This is to ensure that the water is potable to all outlets.

When is a mains injection required?

– If sampling shows high counts of harmful pathogens such as legionella
– If there is suspected contamination in the water system
– If the system has not been in use causing stagnation
– In any new installations as part of the buildings commissioning procedure
– Where alterations have been done to the water system
– Installation of closed heating systems and chilled water systems also have pre-commissioning and treatment requirements.

Further Reading
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