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Septic Discharge UV Systems

Our Septic Category is for reducing the bacteria count prior to discharge into the land.

The septic tank effluent treatment system operating correctly will produce a relatively lightly solids laden 'grey discharge water', that will have been filtered using the systems disc filters.

Clearly the greater the filtration, the longer the quartz sleeve will remain clear. The sleeve should be checked regularly to determine its cleaning cycle.

When the septic tanks 'high level float switch' is triggered, power is turned on to the UV system. After a 2 minute delay for the UV lamp to heat up, power is then supplied to the evacuation pump. When the 'low level switch' is triggered, power is cut.

Extensive testing in the Rotorua Test Field over many years, has allowed us to advise that effective bacteria reduction is achieved at the rated flows for our systems.

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