The BTU is un I_|i|'}nI!|:1 with |L'lI'l- r:a|'l:|i.ireti:w settings and uthar :ws1.I:rris ti: rlduu uarhun monoxide and h\IC|Il'}lZ'itrh!_'.Ifl umiigig |15_
E I H RUST S"r'STE M
Thu lmhilm I?=lT'|i-i5iCl|'I contra! wmarn ll |:i:|mp-used of lean UHLILIIEIIJI se1t|r|g:_ ufld nu ni-|.'||u:.:me|1n shuuld be made ermepl lull: