Vaillant fault code F.82
Fault code F.82 on a Vaillant boiler (including ecoCOMPACT and ecoTEC plus) means: Protective anode error actoSTOR K300. Reset the appliance once. If the code comes back, a part is usually faulty, often the protective anode of the water heater. You can check the water pressure and settings yourself; leave work on gas-carrying parts to a certified gas engineer.
After a safety alert (gas, flue gas, combustion), reset no more than once and call in a certified gas engineer. If you smell gas, call your national gas emergency number or 112 immediately.
Cause
Fault code F.82 on a Vaillant boiler indicates: Protective anode error actoSTOR K300.
Applies to
Vaillant ecoCOMPACT, ecoTEC plus, VHR 20-24/5-5, VHR 20-24/5-5 OT R2, VHR 20-24/5-5 R1, VHR 20-24/5-5 R2, VHR 20-24/5-5 R3, VHR 20-24/5-5 R4, VHR 20-24/5-5 R6, VHR 25-30/5-5 OT R2.
Matching parts
Vaillant parts are available from Instalpunt; shipping to EU countries from €17.95 (€24.95 for more distant countries), usually 3–5 working days.
Parts by Vaillant series: ecoTEC plus · ecoTEC pro.
Based on the cause, these original Vaillant parts fit (always check the type number of your appliance):
Further reading on this cause
Fix it yourself or call an engineer?
Always consult the manual for your appliance and work safely. If in doubt or if the fault comes back, call in a qualified professional. A question about a part? Write to us at info@instalpunt.nl.
Frequently asked questions
What does Vaillant boiler fault code F.82 mean?
Protective anode error actoSTOR K300.
How do I fix fault code F.82 on a Vaillant boiler?
First check the cause described above. Then restart the appliance using the reset button. If the message comes back, a part usually needs replacing or the fault needs to be repaired by a qualified professional.
Which parts do I need for Vaillant fault code F.82?
That depends on the exact cause. In the Vaillant parts overview at Instalpunt you will find the current price and stock for each part.
Can I fix fault code F.82 myself?
You can reset the appliance and check things like the water pressure or settings yourself. Work on gas-carrying parts must be left to a certified gas engineer.
All Vaillant boiler faults and codes at a glance →