Regency City Series Manual

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22 | City Series CV50E Direct Vent Gas FireplaceVertical Flex Extension Kit (Part # 946-769) (Non Power Vent)Vertical Flex Extension Kit for North AmericaPart #946-7698" (203 mm)outer flex pipe20 ft. (6.10 m)20 foot (6.1 m) flex pipe extensionVertical Flex Extension Kit includes:• 20 ft. flex pipe (inner & outer) with 10 spacers• 3 wall straps• Flex adaptor• HardwareUsed in conjunction with the 946-772 Vertical Flex Vent Kit for verti-cal installations.1. Stretch out both inner 5" (127 mm) and outer 8" (203 mm) pipeup to a maximum of 20 ft. (6.1 m).NOTE The inner and outer pipes may be cut if only ashort length is required.2. Install spring spacers around 5" (127 mm) inner pipe as shown.Slide outer flex pipe over and all the way down the 5" (127 mm)pipe.3. Apply a bead of Mill Pac around the perimeter of the 5" (127mm) inner collar of the flex adapter and slip the 5" (127 mm)inner flex pipe from the Vertical termination kit over the flexadapter ensuring that the inner flex pipe overlaps the collar by atleast 1.4" (35 mm). Fasten with 3 screws.4. Apply a bead of Mill Pac around the perimeter of the 8" (203mm) outer collar of the flue adapter and slip it over the 8" (203mm) outer flex pipe from the vertical termination kit ensuring thatthe outer flex pipe overlaps the collar by at least 1.4" (35 mm).Fasten with the 3 screws.5. Repeat steps to secure the other end of the flex adapter usingthe flex kit.6. See Vertical Vent installation instructions for installation of thecomplete vent system.NOTEIf an offset is necessary in the attic or floor joistsit is important to support the vent pipe every 3 ft.(0.91 m) to avoid excessive stress and sagging ofthe vent pipe. Wall straps are provided (3 in total)for this purpose.All round/plumbers strapping may also be used iffurther supports are required.5" (127 mm) inner pipe - 20 ft. (6.1 m)10 spring spacers3 wall strapsFlex adaptor