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BACK WASH INSTRUCTIONS From time to time, you may find that the level of water in the inner chamber overflows and the normal cleaning procedure does not prevent this happening. At this point it may be necessary to carry out a Back Wash of your Nexus.
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BACK WASH INSTRUCTIONS Gravity Fed Installations: 1. Turn off the circulating pump, air pump and any device connected to the Nexus. 2. You will notice that the water in the inner and outer chambers will start to level out to the same level. (300 and 320 will need cleaning pipe inserted) 3.
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