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the appiiance flue exit, and martc tfie <br /> I�cation where the vent wifl penetrate <br /> the ceiling. Drill a small t}ole at this <br /> point. Next, drop a plumb bob from <br /> the roof to the hde previously drilied <br /> in the ceilir�,and mark the spat <br /> � where the vent will penetrate the roof <br /> (Fig. 13�. Detertnine if ceiling joists, <br /> � roof rafters,framing or other materials <br /> �acn� will obstruct the venting system_ You <br /> I may wish to relocate the appliance, or <br /> ��a to otfiset,to avoid cutting ioad-bearing <br /> t�u members. <br /> Step 3 To install the Rour�Ceiling <br /> x SuppcxtJVl/all Thimble Cover in a flat <br /> ceiling, refer to Tab/e 1,page 8 and <br /> cut a square hole in�e ceiling(unless <br /> othervvise specified by the appliance <br /> I manufacturer)centered an the hde <br /> �� drilled in Step 2. Frame the hole as <br /> shown (Fig. 14). <br /> Step 4. If the twist-lodc Appliance <br /> Adaptor h�not been installed on the <br /> stove by the manufadurer, install it <br /> now in accordance with the appliance <br /> instruction manual. <br /> Step 5. Assemble the desired Pipe <br /> Sections and Elbows necessary to <br /> reach from the Appliance Adaptor up <br /> Fgure 13 tl�rough the Round Ceiling Cover or <br /> Support Box. Ensure that all Pipe and <br /> ceilings,walls, roofs,encl�ures,attic Elbow c�nedions are in their fully <br /> rafters,or other nearby combustible {�st-lodced position. <br /> surfaces. Do not padc air spaces Step 6. Cut a hole in the roof <br /> with insufation. Chedc the appliance cerrtered on the small d�ll hole placed <br /> manufacturer's instructions for �n the roof in Step 2. The opening <br /> maximum vertical rise of the venting ��d be of sufficient size to rneet the <br /> system and any maximum horizontal minimum requirements for dearance <br /> offset limitatians. to combustibles,as specified by the <br /> Step 2. Set the�s appliance in the �p���ce manufac�urer. Continue to <br /> desired location. Drop a plumb bob �mble Pipe Secfiions and Elbows <br /> down from the ceiling to the position of as necessary to reach up through tl�e <br /> 13 <br />