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Woodburning Stoves
Kay
This is so ironic that this topic came up. I have a Vermont Castings Encore(next size down from the Defiant). I've had it for 4 seasons now and I've went through 3 catalysts! The first one went 2 seasons the second one. Now the third only went half a season! My wood is relativly dry, but it seems like the catalyst gets fly ash on it and over heats causing it to break apart.
Fortunatly all were under warranty, but this next one is not and it costs ~$140. Also Vermont Castings is hvaing huge price increases. It seems to me if they just put a metal grill on the catalyst it wouldn't crumble apart. I just noticed this last night.
P.S. I was cleaning the fly ash every 2 weeks or so.
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Mark
I just talked with the Vermont Castings dealer. By what he told me, the only thing I can think of is that the wood was slightly wet from the rain. So I'm running it with out the catalyst and the glass is incredibly dirty. The dealer has told me that it is even more inefficient than the old wood burning stoves. He is willing to work with me about the price, which is now $179, since I just got it this year.
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Mark,
It has a temperature activated fresh air supply, which I'm not sure if that is the same thing as a damper. It is supposed to keep the temperature at a relative constant rate. I don't know what it uses as a reference though. I love everthing about the stove, top load, easy and dust free ash removal, looks good, stays warm all night. Just this dang catalyst is driving me nuts.
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Mark, Kay, & Everyone, An update to my burning up the catalysts. The manager of the local wood stove store said it was overheating. I never run the stove more than 550 degrees (griddle temp), and it's rated to run up to 750 degrees, although not for extended periods of time. The conclusion I came to was that in order to get the most efficiency, I'd engaged the catalyst after 350 degrees. But to get the temperature up, I would open the door allowing a rush of fresh air in. This must have caused internal temperatures soar while the griddle temp raised slowly, thus causing the premature disintegration of the catalyst. Live and learn, hopefully this will save someone the expense of a $180 catalyst. Fortunately the manager pro-rated the catalyst and only charged me $40 for a new one. Needless to say, I know where I will continue to do my business.
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Peters,
The Vermont Castings manual states griddle temperature.
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Chief,
You can run the stove without the catalyst but is is not as effiecient. When I removed the fireback on the stove and checked the catalyst it fell apart. So it was working to some extent before that. The next week I used it without the cat and a stainless steel pot, filled with water, that we keep on top of it for moisture was half full/empty in the morning. Usually it is about 2/3 empty in the morning. No scientific study but there was a difference. The previous years of chimney cleaning also prove that I only have to clean it once a year. And it's not bad when I clean it. I hate heights!
It's our primary heat source. The heat is much better than the forced hot air that is our back up. My wife doesn't mind the mess and I like huffin' the wood. It may sound strange, 70 degrees is 70 degrees, but the heat is so much warmer in many different ways.
I hope I'm not sounding like some eco-nazi wuss, I'm having a double Seagram's VO on ice in your honor, it's Saturday night.
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Cheers!
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Jeff,
What kind of stove do you have?
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