22W415-0769 / A / 12.10.10The vent system must be supported approximately every 3 feet for both vertical and horizontal runs. Use WolfSteel Ltd. support ring assembly or equivalent noncombustible strapping to maintain the minimum clearance tocombustibles for both vertical and horizontal runs.All inner exhaust and outer intake vent pipe joints may be sealed using either red high temperature siliconesealant W573-0002 (not supplied) or black high temperature sealant W573-0007 Mill Pac (not supplied) withthe exception of the appliance exhaust flue collar which must be sealed using Mill Pac.25.1A. Follow the instructions for "HORIZONTAL AIR TERMINAL INSTALLATIONS" section.B. Continue adding components alternating inner rigid pipe and outer rigid pipe. Ensurethat all inner rigid pipe and elbows have sufficient vent spacers attached and eachcomponent is sealed and securely fastened to the one prior. Attach the inner telescopicsleeve to the vent run. Repeat using the outer telescopic sleeve. Seal and secure asbefore. To facilitate completion, attach inner and outer couplers to the air terminal.C. Install the air terminal. See “HORIZONTAL AIR TERMINAL INSTALLATION” section.TELESCOPICSLEEVEVENTINGAIR TERMINAL20"COUPLER48.1A. Move the fireplace into position. Measure the vent lengthrequired between terminal and fireplace taking intoaccount the additional length needed for the finishedwall surface and any 1¼” overlaps between ventingcomponents.B. Apply high temperature sealant W573-0007 (notsupplied) to the outer edge of the inner collar of thefireplace. Attach the first inner rigid pipe componentand secure using 3 self tapping screws. Repeat using theouter rigid pipe.C. Insert the vent pipes through the firestop maintaining the required clearance to combustibles. Holdingthe air terminal (lettering in an upright, readable position), secure to the exterior wall and makeweather tight by sealing with caulking (not supplied).The air terminal mounting plate may be recessed into the exterior wall or siding no greater than thedepth of its return fl ange.26.2SEALANTHI-TEMPOUTERPIPEINNERPIPECAULKING2" OVERLAPSCREWS#10 x 2½"A. Install the inner flex pipe to the appliance. Secure with 3 screwsand flat washers. Seal the joint and screw holes using the hightemperature sealant W573-0007 (not supplied).B. Install the outer flex pipe to the appliance. Attach and sealthe joints using the high temperature sealant W573-0002 (notsupplied).28.12” OVERLAPHIGH TEMPSEALANT#8 X 1/2”SELFDRILLINGSCREWS4.3 USING RIGID VENT COMPONENTS4.2.3 APPLIANCE VENT CONNECTION4.3.1 HORIZONTAL AIR TERMINAL INSTALLATION4.3.2 EXTENDED HORIZONTAL AIR TERMINAL INSTALLATION