A.O. Smith fault code Water leak
Fault code Water leak on an A.O. Smith water heater (including BFC and Innovo) means: Water is leaking from a threaded water connection. Reset the appliance once. If the code comes back, a part is usually faulty. 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 Water leak on an A.O. Smith water heater indicates: Water is leaking from a threaded water connection.
Applies to
A.O. Smith BFC, Innovo, 100, 120, 28, 30, 50, 60, 80, IR 12-160.
Fault code Water leak on other A.O. Smith series
The same code does not mean the same thing on every series. Check the rating plate to see which series you have:
- Water leak on BFC, Innovo, 100, 120, 28, 30: Condensate leak.
- Water leak on BFC, Innovo, 100, 120, 28, 30: Another boiler or pipe section nearby is leaking.
- Water leak on Innovo, IR 12-160, IR 12-200, IR 20-160, IR 20-200, IR 24-245: The boiler tank is leaking.
- Water leak on ADMR, 115, 135, 40, 50, 60: Leak at a water connection (threaded).
- Water leak on ADMR, 115, 135, 40, 50, 60: Leak from another water appliance or pipe nearby.
- Water leak on ADMR, 115, 135, 40, 50, 60: Leak from the tank of the appliance.
- Water leak on ADMR, 115, 135, 40, 50, 60: Condensate.
Matching parts
A.O. Smith parts are available from Instalpunt; shipping to EU countries from €17.95 (€24.95 for more distant countries), usually 3–5 working days.
This message does not point directly to one faulty part. These are the parts that most often fit this appliance:
- A.O. Smith ionisation pin after September 2009 € 41.82
- A.O. Smith glow plug for e.g. Innovo IR32-380L 0311990(S) € 92.78
- A.O. Smith fan adapter € 98.01
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 A.O. Smith water heater fault code Water leak mean?
Water is leaking from a threaded water connection.
How do I fix fault code Water leak on an A.O. Smith water heater?
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 A.O. Smith fault code Water leak?
That depends on the exact cause. In the A.O. Smith parts overview at Instalpunt you will find the current price and stock for each part.
Can I fix fault code Water leak 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 A.O. Smith water heater faults and codes at a glance →