I have an AquaMax 205 water heater. Recently the pilot started going out, so I replaced the thermocouple and cleaned the burner.
After replacing the thermocouple, the pilot would go out sometime through the night. I would like the pilot in the morning and people would use hot water during the day and cause the burner to turn on and turn off and the pilot never goes out. However, when I wake up in the morning, the pilot is always out.
Nighttime temperatures are around 11 to 16 Celsius over the last few weeks.
What could be causing this?
Best Answer
The problem ended up being my gas supply. I was sure the thermocouple was installed properly and the whole assembly was cleaned properly as well. The other thing being that the pilot would always go out in the morning and would be fine during the day was another reason.
I called my gas distributor and they sent out some guys to pump the water and condensation out of the gas pipe entering my property. Unfortunately, I live in an area where they still use low-pressure gas which are susceptible to condensation. A lot of pipes are also very old, and have small leaks and cracks, enabling water to enter.
After the water was pumped out, my pilots have been rock solid ever since. They are going to upgrade our area to high pressure soon, so hopefully this should not be a problem for long.