ChauffePro · Anderlecht 1070
Automatic air vent: leaks and air in the heating circuit
An automatic air vent removes air at a suitable point in the circuit. Leaks or recurring air need checking without confusing venting with a complete repair.
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What the air vent does
The vent releases collected air through its mechanism when installed in the appropriate position. It is different from a pressure relief valve and does not correct every circulation problem. The installation and manufacturer’s instructions determine its use.
When the vent becomes suspect
Moisture around the vent, deposits or repeated air problems can justify inspection. Water may also travel from a nearby fitting. Air entering elsewhere, repeated topping up or poor system conditions can explain recurring symptoms even if the vent itself is not the primary fault.
Avoid hot or pressurised dismantling
Do not remove the vent body or loosen connections while the system is hot or pressurised. A professional checks the mechanism, seals and connection and determines whether cleaning or replacement is appropriate. Simply tightening a cap is not always a lasting repair.
Check the cause and the result
After intervention, the relevant area is checked for tightness and the heating circuit for pressure and circulation. Tell the technician whether you have been adding water frequently, since that can help identify an underlying leak or recurring air problem.
Arrange a diagnosis in Anderlecht
Provide the make, exact model, full fault message and when the symptom occurs. Keep the appliance accessible without opening it, and mention previous repairs or leaks. ChauffePro can discuss breakdown diagnosis, repair and servicing. Availability and the proposed work are confirmed for your installation.