Stove leak test

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My Oslo heats my home

Minister of Fire
Hearth Supporter
Sep 20, 2010
1,584
South Shore, MA
My 2007 Oslo has had declining burn times over the last two years. I have gone through a list of possible reasons to include; gaskets, gasket cement, cracks in the cast and anything to do with the ash pan door. All of this is in good shape, I even went one step further and changed out all the door gaskets anyways just for peace of mind.

So now that I'm in the offseason I want to take an even closer look at the not so typical. My idea is to leak test the stove, I have a couple of ways I'd like to try but would like some input.

First idea was to seal the stove, as if it was burning a load, and place a shop vac hose into the flue exit at the rear of the stove and create a vacuum to test from the outside with a bic lighter or incense stick checking the entire stove to air leaks.
My other idea was to seal up the entire stove tight and burn a few incense sticks in the firebox and use a flashlight in a dark room to see where any of the smoke may come from as an air leak. Not so sure this one will work as well.
 
I have smoke bombed several stoves to check for leaks. It will tell you alot. Just make sure to watch very closely, Smoke has a sneaky way of finding its way out main air inlet and following seams in the stove. Giving the appearance of a leak.
 
I have smoke bombed several stoves to check for leaks. It will tell you alot. Just make sure to watch very closely, Smoke has a sneaky way of finding its way out main air inlet and following seams in the stove. Giving the appearance of a leak.
I like this idea, I think if I seal the main air I will be ok. Part of what i think is wrong is the air intake, this may shed some light on the fast burns.
 
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