See recall notice on Kozy website.
http://kozyheat.com/media/43715/Recall_Poster.pdf
http://www.wbaltv.com/money/gas-fireplaces-recalled-over-explosion-hazard/25321868
http://kozyheat.com/media/43715/Recall_Poster.pdf
http://www.wbaltv.com/money/gas-fireplaces-recalled-over-explosion-hazard/25321868