Flue temps vs creosote build up

[Chas0218]

I have a Vogelzang defender epa certified tube stove. I have been watching the flue temps via the magnetic style pipe thermometer. I put it at the 18" above the stove all seems good when she is shut down, no smoke, secondaries firing nicely, 2 year seasoned ash and hard maple. The issue is the thermometer is reading really low likeright around 300 or a touch lower. It is cranking out the heat when she is shut down. Do you think I'm building lots of creosote being that cool or thermometer isn't really positioned right? I figured the thermometer is pretty fool proof if you follow the directions. I do have a step on the top of the stove maybe ill try moving it down to 18"off the lower step.

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[bholler]

Is that a surface thermometer or a probe?

 

[Chas0218]

Its the surface type

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[bholler]

Its the surface type

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Then around 300 should be no problem

 

[edyit]

general rule of thumb for a surface thermometer is the actual internal temp is one and a half, to two times what it shows on the exterior of the pipe. for actual internal temps a probe thermometer on double wall pipe would be needed.

 

[bholler]

general rule of thumb for a surface thermometer is the actual internal temp is one and a half, to two times what it shows on the exterior of the pipe. for actual internal temps a probe thermometer on double wall pipe would be needed.

I agree but as long as it is single wall pipe a surface thermometer gives you the info you need

 

[Chas0218]

Okay thanks. Just needed some reassurance that I was working the stove correctly. Its been a great little stove and heats our cottage great actually a little too great at times.

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[Ashful]

Another rule of thumb is to sweep the flue frequently on a new stove, until you build confidence in your operation of it. Many start with twice per season cleanings, backing down to once a year thereafter.

 

[Seasoned Oak]

I get a lot of creosote in my NC-30 stove in the flue pipe from the stove to where it enters the chimney. I was surprised by that cuz that should be the hottest part of the flue. Single wall pipe runs 350 out of the stove to 250 where it enters the chimney ,stove top 600. Stove works great,puts out loads of heat and wood very dry. That said im installing a brand new chimney and flue as im worried the old brick one is just not up the the job and hard to clean, never had a chimney fire but im probably pushing my luck with it.

 

[xman23]

Correct, what Ashful said. Run a brush down it and see what comes out. Increase the cleaning interval as you get confidence how and what your burning is not creosoting up the chimney.