www.desatech.com111026-01C 11OptiOnal gaS lineinStallatiOnGas line hook up should be done by your supplieror a qualified service person.Note: Before you proceed, make sure your gassupply is turned off.Use only a 1/2" black iron pipe and appropriatefittings.1. Remove knockout indentation on refractory orfirebrick wall located above the refractory hearthfloor. The knockout indentation must be firmlytapped with any solid object such as a 1/2" doweluntil it is released. Remove fragmented portionsof refractory (see Figure 19).2. Remove gas line cover plate located on eitherside of fireplace and pull out insulation fromgas line conduit sleeve. Save insulation forreuse. Replace screws.3. Run a 1/2" black iron gas line into the fireplacethrough the rear at gas line conduit sleeve (ifusing a raised platform, add height). Providesufficient gas line into fireplace chamber forfitting connection (see Figure 20, page 12).Note: Secure incoming gas line to woodframing to provide rigidity for threaded end.Figure 19 - Gas Line KnockoutSideFirebrickFinishedSideRefractoryKnockoutPlugOutside ofFireplaceGas LineConduitInsulationGasConduitCover1/2" Dowel4. Repack insulation around gas line and intosleeve opening. Seal any gaps between gas lineand refractory knockout hole with refractory ce-ment or commercial furnace cement, Install thegas appliance or cap-off gas line if desired.Venting inStallatiOnContinuedEFFECTIVE HEIGHT OFTERMINATION CAP30E-8DMEFFECTIVE HEIGHT OFTERMINATION CAPEFFECTIVE HEIGHT OFTERMINATION CAPMINIMUMHEIGHT14.5 FT.MINIMUMUP TO 6FT.HEIGHTMAXIMUM14.5 FT.(WITH TWO ELBOW SETS)MINIMUM HEIGHT OF 22 FT.EFFECTIVE HEIGHT OFMAXIMUM HEIGHT OF 50 FT.MAXIMUMUP TO 6 FT.(ANY SYSTEM)50 FT.HEIGHTMAXIMUM30E-8DMTERMINATION CAPFigure 18 - Typical Residential Installations