Question on Register Temps

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jrn8265
Member
Posts: 930
Joined: Tue. Jul. 22, 2008 11:52 am
Stove/Furnace Make: Keystoker Koker
Stove/Furnace Model: Koker 160
Location: Near Coal Country, PA

Post Thu. Jan. 16, 2014 8:00 am

Hi all,

I am wondering at what point the air blowing out of the register is too hot, or is this really not a concern?

I am averaging air temps (used temp gun) right at my closest register to my stoker blowing out at 165 degrees.

Any concerns that too hot can cause house fires?

Thanks

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blrman07
Member
Posts: 2380
Joined: Mon. Sep. 27, 2010 3:39 pm
Hand Fed Coal Boiler: Bucket a Day
Hand Fed Coal Stove: Vigilant Casting 2310
Coal Size/Type: Pea/Nut/Wood in the VC and anything that will fit in the Bucket a Day. It's not fussy.
Location: Girardville Pa.

Post Thu. Jan. 16, 2014 8:15 am

The average temperature for supply air runs between 140-160 for a hot air furnace. Your running a bit hot but I don't think you have anything to worry about. Is this coming directly off the furnace? Is it a jacketed stove? Got a few questions and I'm sure others will chime in here before too much longer.

Rev Larry
New Beginning Church
Ashland, Pa


WNYRob
Member
Posts: 264
Joined: Thu. Apr. 14, 2011 12:13 pm
Hot Air Coal Stoker Stove: Keystoker Koker controlled with CoalTrol
Location: Springville, NY

Post Thu. Jan. 16, 2014 8:19 am

I am sure someone with more knowledge will chime in, but I think you only really need to be concerned with excessive duct heat when you have runs of flexible ducts. I Googled the question and came up with similar answers :

"Though there are many factors that will change as per the type of wood and moisture content, dry wood begins to char between 120 to 150 degrees celsius. It begins to burn at 280 degrees celsius. That is 540 degrees Fahrenheit. " (http://www.ask.com/question/at-what-temperature-d ... catch-fire). Please note the first three temps are in CELSIUS, not Fahrenheit.

Based on this I think you are fine.

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