Dimplex Insulation / Overheating Issue

Water heater casing feels excessively hot to the touch

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.

Possible Causes

Insulation displaced or missing, Overheating due to thermostat failure, Blocked ventilation on fan-assisted models, Heat exchanger contacting casing

Safety: Turn off power and allow the unit to cool before inspection.

Check ventilation: Ensure that ventilation openings around the Dimplex heater are not blocked.
Inspect internal layout: Remove the cover and verify that insulation is in place and not compressed away from hot surfaces.
Check thermostat: Confirm that the thermostat and overheat protection are functioning and not bypassed.

Action: If the casing remains very hot during normal operation, have a technician evaluate for internal faults.

Hard 4/5

Insulation / Thermostat Assembly

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