Eemax Distribution / Mixing Valve Issues

Hot water output temperature is different at various fixtures in the home.

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Possible Causes

Thermostatic mixing valve misadjusted, Long pipe runs causing heat loss, Cross-connection between hot and cold lines, Partially closed fixture shutoff valves

How to Fix / Troubleshooting

Safety: Be cautious of scalding at fixtures with higher temperatures.

Balancing steps:

  • Check for a central thermostatic mixing valve installed near the Eemax heater. Adjust it to provide consistent temperature to all branches.
  • Insulate long hot water runs to reduce heat loss.
  • Inspect for cross-connections (e.g., single-handle faucets with failed cartridges) that may be mixing cold into the hot line.
  • Ensure all fixture shutoff valves are fully open to allow proper flow.

If inconsistencies persist, a plumber may need to evaluate the distribution system.

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Repair Difficulty

Easy 2/5
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