Your need in practice
No hot water or an unstable temperature? Prepare an assessment with details of the affected outlets and how the appliance behaves.

An uneven shower temperature or missing hot water quickly disrupts everyday comfort. Contact Chauffagiste Junkers Bruxelles to prepare an assessment of your hot water production. Explain what happens, at which outlet and under what circumstances, without assuming a particular component has failed.
Situations to report
- There is no hot water at any outlet.
- The temperature fluctuates during use.
- Only one tap or shower is affected.
- A message appears on the water heater or boiler.
Also mention whether space heating works and whether other outlets are being used simultaneously. If the water becomes unexpectedly very hot, stop using the affected outlet and explain this during the first contact.
Prepare for the assessment
Provide the model, a photograph of the display and when the problem started. Gather available records and explain whether production is individual or shared. The assessment should locate the fault before an adjustment, repair or replacement is proposed.
What affects the quotation?
The equipment type, access, investigation required and relevant components determine the scope. Work on a single outlet is different from work on the overall hot water production system. Ask for the individual items and any additional work to be clearly explained before making your decision.
Common questions
Does a cold shower mean the boiler has failed?
Not by itself. Explain whether other outlets still work. This information helps guide the investigation but does not replace a diagnosis.
Should I raise the temperature before the visit?
Do not change settings at random. Record the visible information and use only controls described in the user manual.
Our guide to fluctuating hot water helps you describe the symptoms. Call 0499 00 84 10 or use the contact page. For a wider failure, also see the boiler repair service.
Related subjects
Your installation works as a whole. Depending on the findings, these services may complement your enquiry: