noise when oil burner shuts off - http://www.hvacmechanic.com/ Forums
Original message
| evan
 |  "noise when oil burner shuts off"
, posted Tue 4 Nov 10:05  
hello when my oil burner shuts off i hear a sound like a steam sound. have no water leaks i shut off the main feed to see if there is a drop in pressure .pressure stays where it should .burner is runing great water temp great just this sound .any help would be great.
thank you for your time.
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Replies:
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| Freon
| "Re(1):noise when oil burner shuts off" , posted Tue 4 Nov 12:57
How long does the sound last? It could be water inside the boiler boiling (I assume you have a forced hot water system, not steam). Usually the water will boil for maybe a minute as the firebox cools.
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| | jmar
| "Re(2):noise when oil burner shuts off" , posted Tue 4 Nov 20:15
whats the aquastat set for assuming its hydronic? Have you confirmed for sure that the system does not have any traces of air left..... Post more info if possible thanx.
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