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GAS LOG LIGHTER <br /> Installation of a gas log lighter shall comply <br /> }with the State Mechanical Code for gas appliances. <br /> The gas shut off valve shall be a listed A.G.A. <br /> ;device and must be outside the masonry fireplace <br /> GasvaNe and not embedded in the outside hearth. A swing <br /> joint consisting of at least three elbows should <br /> be installed between the tas shut off va)ve and <br /> the log lighter pipe. This is to prevent breaks <br /> Lot U.N. in the joints in the event of movement or settle- <br /> FIREPLACE LOG LIGHTER ment of the fireplace. <br /> It is recommended that the gas log lighter be <br /> 1" above the ash bed and definitely not buried in <br /> the ashes or in sand. <br /> FLU AND CHIMNEY SIZES <br /> 48 <br /> Nominal Actual Outside Effective Max.Area of Minimum Outside <br /> 46 ?� Dimension of Dimensions of Flue Fireplace Dimension of <br /> Flue Lining Flue Lining Area Opening Chimney <br /> / + <br /> :.1 1 7.,: eJ 8K" Round 8X" Round 39 sq.in. 390 sq. in. 17"x 17" <br /> 8X"x 13"oval 8K" x 12%6 69 sq. in. 690 sq.in. 17"x 21 <br /> 42 ; 8X"x 17"oral 8%S x 1616" 87 sq. in. 870 sq.in. 17" x 25" <br /> 13" Round 12X" Round 91 sq. in. 1092 sq. in. 21" x 21" <br /> i0 ��+ ?/ 10"x 18"oral 10" x 17%— 112 sq. in. 1120 sq. in. 19" x 26" <br /> �� + J, 10"x 21"oval 10" x 21" 138 sq. in. 1380 sq. in. 19" x 30' <br /> 38 13"x 17"oval 12%6 x 1616" 134 in. 1340 <br /> � + �� sq. sq.in. 21" x 25" <br /> ��` i 13"x 21"oval 12%'*x 21" 173 sq.in. 1730 sq.in. 21" x 30" <br /> 36 "� ice. + t� 17"x 17"oval 16%6 x 16'K" 171 sq.in. 1710 sq. in. 25" x 25" <br /> 17"x 21"oval 16%K x 21" 223 sq.in. 2230 sq. in. 25" x 30" <br /> 31 i / i s '? 1w �tio 21"x 21"oval 21"x 21" 269 sq.in. 2690 sq. in. 30" x 30" <br /> 32 <br /> FLUE SIZES <br /> The area of the fireplace opening is multiplied <br /> by the flue area ratio to obtain the minimum <br /> required effective flue area. <br /> a <br /> The size of the modular flue lining selected <br /> 24 28 32 3E 40 44 48 52 5a a 84 d8 72 should be equal to or larger than the required <br /> computed area. <br /> VYldth of Fireplete Opening(Inches) i PROBLEM: <br /> Find proper flue size at 1/10 fireplace area <br /> GRAPH TO DETERMINE PROPER FLUE SIZE for a fireplace 48" wide by 30" high. <br /> FOR SINGLE FACE FIREPLACE <br /> SOLUTION: <br /> 1 . Find 48" fireplace width at bottom of chart. <br /> 2. Find 30" fireplace height at left side of <br /> chart. <br /> 3. Follow height line across and width line up <br /> until they intersect. <br /> 4. Proper flue size will be nearest curve above <br /> intersection . Use 17" x 17" or 13" x 21" <br /> nominal flue lining size. <br />