burnham jubilee hot water boiler natural gas

mark_70

have a natural gas boiler burnham jubilee.Standing pilot
ignition system.Every year i try something different to try to stop the soot problem.I took out all cast iron burners and blew them out with air,i checked the orfices
and cleaned them.most of the time the soot is coming from the front of the burners some of it lies beneath the burners.most of the heat exchanger stays soot free.The air shutter are all open wide.i did clean all the dust and dirt from the burners and compartment. Can anyone help????
I am a service tech.This is my dads house...

Steamhead (in transit)

Sure it's a Jubilee?

the reference I have shows the Jubilee series was oil-fired. If you can get the model number we can use that to look it up.

Your problem sounds like the input rate might be too high. Have you clocked the meter?

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"

mark_70

i will try to get the model number this week

how do you check the gas meter?

Steamhead (in transit)

You have to know

the BTU content per cubic foot of gas.

1. With the boiler firing but not any other appliances, time the meter to see how long it takes for 1 cubic foot to flow thru the meter.

2. Divide 3600 by the number of seconds you got in #1 above.

3. Multiply the result of #2 above by the number of BTUs per cubic foot. The result is the number of BTUs being fed to the appliance. This must not exceed the boiler's Input rating.

I get the impression you haven't worked with gas much. This would be a good time to consult with one of your fellow techs who has. Gas appliances have to be handled properly. You and your Dad will appreciate this.

If you don't have a digital combustion analyzer, get one. They're not cheap but there's no other way to properly adjust a gas- or oil-fired unit.

I'd also suggest you get in touch with Tim McElwain, who runs the Gas Appliance Service, Training & Consulting training center in Warren, RI- that's near Providence. IMHO Tim is the best, with over 40 years in the gas business. Once in a while he runs a full week of courses which makes a lot of sense to attend if you're not from that area- you only have to go there once and come back once. E-mail him at gastc@cox.net . Tell him I sent you.

Here's a link to a thread with some pics I took when I attended his Week Straight:

http://forums.invision.net/Thread.cfm?CFApp=2&Thread_ID=35924&mc=12

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"

Jim Davis_3

Sooting

Sounds like a definite venting issue but more important than the soot is the carbon monoxide that is getting into the house. Continuous low level exposure causes permanent damage-illness & disablilities. Definitely need a combustion analyzer or someone that knows how to use one. The problem is very fixable.

mark_70

Oh i made a mistake it was a burnham holiday boiler.
and i did take your advise and time the meter.
it took 60 seconds for 1 revolution.I divided that by
3600 then multiply by number of btu per cubic ft.
My answer doesnt seem right. I came out with 64,800????
I used 1,080 for btu per cubic ft that what the guy in the supply house said?? can any one see what I did wrong??
the model is 6-60 series 2 Input 125,000 Output 100,000
can any one help

Steamhead (in transit)

Are you sure

the dial you were clocking wasn't marked "two feet" or "half foot"? Some of these are in real small print, you almost need a magnifying glass to see them.

To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"