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Commonly asked questions > Pump Questions > Installation Tips for Rainsaver MK3 Systems

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  1. If mains pressure exceeds 800 kPa, a pressure reducing valve has to be installed.
  2. Ensure that all three of the Rainsaver MK3 union nuts are fitted before pressurizing Rainsaver MK3
  3. Do not fit compression nut & olive directly to Rainsaver MK3 3/4" BSPM fittings.  Use 3/4" Copper x 3/4" BSPF unions if plumbing in copper.
  4. Ensure that the float switch (where used) is installed as per the instructions and is set to the correct height and is clear of potential obstructions.
  5. Pressure tank (if used) pre-charge pressure should be set at 65% of maximum pump pressure.