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I had gone on vacation and left water heater off. After 3 weeks I turned it on and trying to bring it back on. I saw when burner went ON, the water is dripping every second and have a sizzling sound. After 10 seconds I put it back in off. Is this because of condensation? How would I check if water is leaking ?

Also I see the flag light blinking Two times in every 3 seconds when it was ON.

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  • How old is the heater?
    – crip659
    Jun 24, 2023 at 16:47
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    As for what the light means, you've not bothered to tell us the make and model of your heater, so no bleeping idea what that means. Edit to provide more details...
    – Ecnerwal
    Jun 24, 2023 at 16:48
  • It’s probably 9-10!year old . It’s Bradford white brand. Model RG30T6N
    – PowerTech
    Jun 24, 2023 at 17:57
  • You slipped a digit, evidently. RG130T6N exists. And two quick flashes in 3 seconds means the thermostat is calling for heat, while two flashes in 3 seconds means weak pilot light. s3.supplyhouse.com/product_files/…
    – Ecnerwal
    Jun 24, 2023 at 18:19
  • So it means it’s operating normally. But as I mentioned below as well why the pilot light goes off automatically
    – PowerTech
    Jun 24, 2023 at 23:12

1 Answer 1

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You ran it for all of 10 seconds?

Yes, it's almost certainly condensation. You have a tank full of cold water and a flame with water as a significant component of the combustion products in the hot gas exhaust.

If water was not dripping before you lit the burner, it's most probably not a leak. Likewise if water is not dripping (or not at the same rate; depending how much flue is dripping back here, it could take a while to dry out) an hour after you shut it off.

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  • So how should i processed now after I waited for 8 hours?
    – PowerTech
    Jun 24, 2023 at 17:58
  • Is it still dripping? If not, turn it on and let it burn (and drip, until it doesn't drip) until the water is hot.
    – Ecnerwal
    Jun 24, 2023 at 18:14
  • Why pilot light goes out after 10-15 seconds ?
    – PowerTech
    Jun 24, 2023 at 23:11
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    Are you following the procedure in the manual for lighting the pilot? You once again are not providing enough detail, and possibly asking a whole new question, (which should not be done as a comment) in a comment that does not make it clear if you are having trouble lighting the pilot, or if the main flame is lighting and the pilot is then going out.
    – Ecnerwal
    Jun 25, 2023 at 0:06

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