Ferroli
Internal Water Leak
Water heater leaks water from the bottom of the casing.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Corroded heat exchanger, Leaking pipe connections, Failed O-rings on Ferroli hydraulic block, Cracked plate heat exchanger
How to Fix / Troubleshooting
Safety: Turn off power and close the cold water inlet. If the leak is near electrical parts, do not restore power until fully dry and repaired.
- 1. Isolate and inspect: Remove the front cover and identify the source of the leak using a torch. Look at joints, valves, and the heat exchanger.
- 2. Tighten connections: Gently tighten any accessible compression or union fittings that are seeping.
- 3. Replace O-rings: On Ferroli hydraulic blocks and manifolds, replace any flattened or cracked O-rings with genuine parts.
- 4. Heat exchanger replacement: If water is leaking from the body of the heat exchanger, it will need to be replaced by a qualified technician.
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Repair Difficulty
Hard
4/5
Required Part
Hydraulic Manifold O-Rings
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