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Burnham boiler making rattling noise

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Gregor
Gregor Member Posts: 1
I have a Burnham kv73 oil burner.  Recently it has started making a

rattling type noise from inside the boiler.  It is not coming from the

motor on the outside or the circuilator pump, it's from somewhere

actually inside the boiler.



The noise transfers through the water

pipes in the house and you can hear it very well on my main floor. 

When the boiler is running and you're standing right next to it, it's

hard hear with the boiler going.  But if I hit the switch to shut off

the boiler, the rattling noise will be apparent then, and actually keep

making the noise for about 60 seconds after the whole system has been

shut off.  It seems to be heat related...  It doesn't start making the

noise for a couple minutes when it starts up cold.



I've been

doing some internet reading, it seems these are prone to leaking from

cracks.  I don't have any water leaks that I can see, and the system

holds pressure.  The boiler was made in 1998.



Has anyone had this

problem, or does anyone know where I start disassembling this to

investigate more?  My local heating/cooling shop only seems to like to

replace complete units instead of actually repairing, so I don't even

want to call them.



thanks in advance, Greg

Comments

  • kcopp
    kcopp Member Posts: 4,443
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    is there a ...

    tankless coil inside? I have has that happen to some boilers where the coil rattles during operation....kpc
  • billtwocase
    billtwocase Member Posts: 2,385
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    check

    your flue collector, remove the smoke pipe and look inside, check the side clean outs, possible flow check, or chunk of solder in piping? A crack wouldn't make a noise, just water on the floor
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