Drazice
Limescale Buildup on Heating Element
Drazice water heater makes loud popping or crackling noises during heating.
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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
Hard water causing scale on heating flange, long intervals between maintenance, high operating temperature accelerating scale formation
How to Fix / Troubleshooting
Safety: Turn OFF power and allow the water to cool. Close the cold supply and relieve pressure via a hot tap.
Steps:
- Drain the tank to a level below the heating flange using the drain valve.
- Remove the flange assembly and inspect the heating element for thick limescale deposits.
- Soak the element in a suitable descaling solution or replace the entire flange assembly if the element is heavily corroded.
- Consider installing a water softener or anti-scale device if your water is very hard.
- Reassemble with a new flange gasket, refill, bleed air, and restore power.
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Repair Difficulty
Medium
3/5
Required Part
Heating Flange Assembly
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