Pocono Backvent Moisture on Lid
- JSweel
- New Member
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- Joined: Tue. Oct. 07, 2014 8:57 am
- Location: Montoursville PA
- Hot Air Coal Stoker Stove: LL Pocono
- Coal Size/Type: Rice
- Other Heating: Oil Boiler
First year burning coal. I have a leisure line pocono back vent. The issue I am having seems to be during warm weather. Moisture appears on the bottom of the hopper lid. I have bumped up the min Feed Rate to 10 which fixes the moisture problem, but I would like to know if there is something I can do so the min FR can be closer to the factory settings of 6.
I set up the stove and chimney myself.
I am wondering if my chimney could be the issue. I have a 2-1/2' horizontal section of pipe coming out the back and elbowing up at a slight angle through the Barometric dampener (at about 3' up) into a t for clean out. The t goes into a 4' section of double wall ss pipe that goes through the wall and t's into the vertical chimney going 16' straight up.
What else should I look at?
Thanks!
I set up the stove and chimney myself.
I am wondering if my chimney could be the issue. I have a 2-1/2' horizontal section of pipe coming out the back and elbowing up at a slight angle through the Barometric dampener (at about 3' up) into a t for clean out. The t goes into a 4' section of double wall ss pipe that goes through the wall and t's into the vertical chimney going 16' straight up.
What else should I look at?
Thanks!
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The summer muggies and coal stoves do not mix well. Some of the hydronic boys swear by running the stove 12 months of the year and getting DHW only in the summer and that stops rust build up in the stove.
As far as all my LL stoves, I cut the chimney pipe and blank it off, do a thorough clean and then all the stoves are moved to an A/Ced basement. Sulphurous acid and steel are not a good mix. If it's not the hopper lid then it will be something else. Ya just can't clean everywhere.
As far as all my LL stoves, I cut the chimney pipe and blank it off, do a thorough clean and then all the stoves are moved to an A/Ced basement. Sulphurous acid and steel are not a good mix. If it's not the hopper lid then it will be something else. Ya just can't clean everywhere.
- JSweel
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No I have not measured draft, The moisture appears when the outside temperature is 55 and above and I had the min FR at 6 and then 8.
- Rick 386
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Just what Rob said. Usually you get moisture on the hopper lid on a low draft situation.Rob R. wrote:Have you measured the draft?
Same thing used to happen on my Hyfire II in warm weather. As soon as you get her ranking for the heating season, that moisture should disappear. Bumping the minimum feed rate heats the chimney a little creating more draft.
BUT THE ONLY WAY TO MEASURE DRAFT IS WITH SOME TYPE OF MANOMETER !!!!
Rick
- McGiever
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Yes, as has been mention...moisture on hopper lid is the indicator of not enough draft.
Be careful not to allow combustion blower air in to exceed draft air amount out, or the fire box will become positive instead of negative and then fumes will look for a way to be pushed out any opening...barometric damper, hopper or any crack or joint not seal gas tight.
Now you see why we preach getting and using a Manometer.
Be careful not to allow combustion blower air in to exceed draft air amount out, or the fire box will become positive instead of negative and then fumes will look for a way to be pushed out any opening...barometric damper, hopper or any crack or joint not seal gas tight.
Now you see why we preach getting and using a Manometer.
- JSweel
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Knowing I do not have enough draft, what are solutions to increase it when the highs during the day reach above 55?Rick 386 wrote:Just what Rob said. Usually you get moisture on the hopper lid on a low draft situation.Rob R. wrote:Have you measured the draft?
Same thing used to happen on my Hyfire II in warm weather. As soon as you get her ranking for the heating season, that moisture should disappear. Bumping the minimum feed rate heats the chimney a little creating more draft.
BUT THE ONLY WAY TO MEASURE DRAFT IS WITH SOME TYPE OF MANOMETER !!!!
Rick
- olpanrider
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My first thought is since you have no idea what your draft is your barometric damper is set wrong.
Try temporaly putting foil over the damper
Try temporaly putting foil over the damper
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Do as you have already done, increase feed rate to keep you chimney warmer or you can reduce the amount of combustion air. On kokers, there is a flap over the fan intake opening that can be slide closed or open and any where in between. With a lower draft, the draft can't evacuate the combustion products as fast so you need to limit the amount of air being forced into the fire box so the draft can keep up with it.
- Flyer5
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You can try taping off 1/2 of the intake on the combustion blower. But like others have said checking draft is the best way .
- JSweel
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- Location: Montoursville PA
- Hot Air Coal Stoker Stove: LL Pocono
- Coal Size/Type: Rice
- Other Heating: Oil Boiler
Taping off the intake of the combustion blower has worked quite well. I have been putting it on for warmer days and taking it off for colder days. I have dropped the FR to 8 as well.