Please define the ACTUAL PROBLEM please!
Hi, when the fireplace cycles off / thermostat is up to temp the gas burner flame pops/bangs when shutting down. Other than this it runs great - flame is good - no soot build up - starts up perfectly. My outside BBQ does the same when shut off - the flame pops and bangs then goes out...
So there is really no problem, right? You realize that the gas jet tip gets hot while running and when you turn off the gas supply the pressure drops to push the gas past the tip of the jet. So...the gas left near the tip heats up and explodes when it reaches the ignition temp...PoP!
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Yes the problem persists. Does not matter how hot the unit is or how long it's on it does this flame pop and bang and residue flame sometime persists for a few seconds after shut down. This can rattle the whole unit and has knocked the logs loose. Most times it just pops a bit and shuts off but when this happens it gets your attention.I'm looking for information if anyone has had to deal with this and what to check before calling in another tech.. I'm very willing to have it checked but this does not always happen and hard to diagnose when not seen.Everything is up to specs with the last tech inspection - in writing but we know there is a fault somewhere.
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