MAAX Spas Heat Loss / Insulation or Cover Problem

Spa water cools down significantly between use cycles even though the set temperature is high.

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Possible Causes

Worn or waterlogged MAAX spa cover, Air gaps around cover, Poor cabinet insulation, Frequent cold air infiltration from access panels

How to Fix / Troubleshooting

Safety: Ensure the spa is structurally sound before adding insulation or modifying panels.

  • Inspect cover: Check the MAAX cover for heavy, waterlogged foam, torn vinyl, or poor seals. Replace if it no longer insulates well.
  • Check latches: Make sure cover latches close tightly to prevent heat loss.
  • Seal air leaks: Inspect cabinet panels for gaps and ensure they are properly installed.
  • Add insulation: Where appropriate and safe, add insulation around the shell and plumbing, avoiding direct contact with hot components or blocking ventilation for pumps.
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Repair Difficulty

Easy 2/5

Required Part

Spa Cover
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