www.desatech.com 56131-F10FixedClosed Openable FixedClosedVVVVV VVVXXV XGGJFBBKNHIANELDBMACBVV AGGBTERMINATION CAP AIR SUPPLY INLET GAS METER RESTRICTED AREA(TERMINATION PROHIBITED)A = clearance above grade, veranda, porch, deck, orbalcony [*12" (30.5 cm) minimum]B = clearance to window or door that may be opened[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in USif between 10,000 and 50,000, 12" (30 cm) in Canadaif between 10,000 and 100,000; 12" (30 cm) in US ifgreater than 50,000, 36" (91 cm) in Canada if greaterthan 100,000]C = clearance to permanently closed window[minimum 12" (30.5 cm) recommended to preventcondensation on window]D = vertical clearance to ventilated soffit located above theterminal within a horizontal distance of 24" (61 cm) fromthe center-line of the terminal [18" (45.7 cm) minimum]E = clearance to unventilated soffit [12" (30.5 cm) minimum]F = clearance to outside corner (see below)G = clearance to inside corner (see below)H = *not to be installed above a meter/regulator assemblywithin 36" (91.4 cm) horizontally from the center lineof the regulatorI = clearance to service regulator vent outlet [*72" (182.9 cm)minimum]J = clearance to non-mechanical air supply inlet to buildingor the combustion air inlet to any other fireplace[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in USif between 10,000 and 50,000, 12" (30 cm) in Canadaif between 10,000 and 100,000; 12" (30 cm) in US ifgreater than 50,000, 36" (91 cm) in Canada if greaterthan 100,000]K = clearance to a mechanical air supply inlet [*In Canada,6 ft. (1.83m) minimum; In US 3 ft. (91 cm) above if within10 ft. (3 m) horizontally]L = † clearance above paved side-walk or a paved drivewaylocated on public property [*84" (213.3 cm) minimum]M = clearance under veranda, porch, deck[*12" (30.5 cm) minimum ‡]N = clearance above a roof shall extend a minimum of24" (61 cm) above the highest point when it passesthrough the roof surface and any other obstruction withina horizontal distance of 18" (45.7 cm)† vent shall not terminate directly above a side-walk or paved driveway which is located between twosingle family dwellings and serves both dwellings*‡ only permitted if veranda, porch, deck or balconey is fully open on a minimum of 2 sides beneath the floor** as specified in CAN/CSA B149 (.1 or .2) Installation Codes (1991) for Canada and U.S.A.Note: Local codes or regulations may require different clearancesA = 6" (15.2 cm)Inside CornerVBEVB = 6" (15.2 cm)C = Maximum depth of 48" (121.9 cm)for recessed locationD = Minimum width for back wall ofrecessed location -Combustible - 38" (965 mm)Noncombustible - 24" (61 cm)E = Clearance from corner inrecessed location-Combustible - 6" (15.2 cm)Noncombustible - 2" (5.1 cm)Outside Corner Recessed LocationGHG = 12" (30.5 cm) minimum clearanceBalcony with No Side WallVJCombustible &NoncombustibleH = 24" (61 cm)J = 20" (50.8 cm)Balcony with Perpendicular Side WallCDCTermination Clearances for Buildings with Combustible and Noncombustible ExteriorsOpenableFigure 14 - Minimum Clearances for Vent TerminationsGENERAL VENTINGContinued