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1. There is no substitute for correct site preparation. Correct site preparation is essential to ensure a long and trouble-free life for your tank. It is essential to have your tank on a FLAT LEVEL COMPACTED BASE. The base of your tank must be fully supported at all times.
2. Tanks are designed to expand and contract as water levels rise and fall, ensure tanks are positioned with a minimum of 150mm clearance from fixed objects.
3. Each water outlet must also have a flexible hose (300mm in length) connected and placed between the ball valve and other plumbing (poly pipe is not suitable to use as a flexible hose).
4. Ensure all plumbing from the fittings are well supported to reduce strain, potentially causing damage.
5. All stub flanges must have a bellow/expansion joint installed to reduce strain and undue pressure on the tank wall.
6. Water volume entering the inlet must equal the water volume of the overflow, e.g.: 2 x 90mm inlets = 2 x 90mm overflows or equivalent.
7. Overflows are to be piped away from bases to prevent undermining.
8. When installing charged drain downpipes, ensure the line is positioned at least 150mm away from the tank wall to allow for natural expansion and contraction.

NB: we do not return tanks for incorrect size or colour.