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Parker SawyerAug 7, 2025
What to do if my Zip Aquapoint AP4100S SmartEco Water Heater shows error E44?
- MMatthew RodgersAug 7, 2025
If your Zip Water Heater displays the E44 error, it means the heater needs to be filled with water. You can resolve this by filling the heater with water. The error can be cleared by switching off the heater or by holding button 2 for 3 seconds.
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