Flue adjustment ?

Joe.G

Hi, I was wondering, on my new flue pipe there is a weight adjustment, I was wondering how should this be adjusted? Should hte flue be open the hole time the boiler is running? or only at start up, any info would be great thanks.

Firedragon_4

It should only be adjusted with

a draft gauge or manometer by a professional!

Joe.G

Is there a way to get it close?

oil-2-4-6-gas

.

there are many things that you can screw up by playing with the draft regulator---its not a toy if you don't have instruments leave it alone//// if its noisy or you get a small amount of soot from it you may have a problem---changing the adjustments will not fix whatever problem you might be having it will more than likely cause more problems--

Joe.G

I had a boiler installed, i then replaced all of the piping going out to my chimney inculding the flue The flue door stays open the whole time the boile ris running, i was just wondering where I want it to be, what can happen if it is not adjusted right.

Boston Boiler

> I had a boiler installed, i then replaced all of

> the piping going out to my chimney inculding the

> flue The flue door stays open the whole time the

> boile ris running, i was just wondering where I

> want it to be, what can happen if it is not

> adjusted right.

oil-2-4-6-gas

you want it to be maintaining a minimum draft --of ----whatever the manufacturer of the boiler/burner package recommends --you need to know what the overfire draft is supposed to be ----problems can include burning up the diffuser,blast tube,overheating the nozzle can cause sooting ,plugging the boiler destroying the fiber combustion chamber -------------you need to know what you're overfire draft is supposed to be --the chimney draft should be at 1 in water column higher than that and the regulator maintains you overfire draft through the seasons

jim sokolovic

Isn't a typical chimney draft...

about -.06", and a typical over-fire draft -.02" on oil boilers? Of course it varies, but where do you see 1"?

oil-2-4-6-gas

.

that would be a "difference" of .01 w.c. and overfire depends on the burner boiler combo--- mine is recommended minimum of .03 overfire

Mark Hunt

-.06?


In the flue????


Mark H

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jim sokolovic

Just trying to confirm...

some typical readings you guys see in the field. Is it that unusual to see -.02" over the fire, -.04" in the flue (before the draft regulator), and -.06" in the stack (after the draft regulator, essentially the chimney reading). Am I not remembering things correctly?

Mark Hunt

Ahhhhh

.06 AFTER the draft regulator. Thought you meant before.

We typically see -.02 to -.03 before.


Mark H



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jim sokolovic

That's why I prefer...

to confine the designation "flue" to the areas before the regulator (or hood), and the designation "stack" to the areas after the regulator (or hood). I know I'm pretty much alone on that thought (here, at least) - but how many times do you hear the flue draft reading being given as the chimney draft reading - they are not the same!

Joe.G

I have no idea what you guys are talking about, I guess I can call apro in to do this.