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Manafacture: Stovax File size: 4.94 mb File name: Language of manual:

Push the vent component against the collar until it fully engages, then twist the component clockwise,runningthe dimples downand along the incline channels until they seat at the end of the channels. The unitized design of the Secure Vent components will engage and seal both the inner and outer pipe elements with the same procedure. Sealant and securing screws are not required. Note: An elbow may also be attached to the appliance collar. Attach in the same manner as you would a vent section. E. Attach vent components to each other -Other vent sections may be added to the previously installed section in accordance with the requirements of the vent tables. To add another vent component to a length of vent run, align the dimpled end of the component over the inclined channel end of the previously installed section, adjusting the radial alignment until the four locking dimples are aligned with the inlets of the four incline channels of the previous section. NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. Push the vent component against the previous section until it fully engages, then twist the component clockwise running the dimples down and along the incline channels until they seat at the end of the channels. This seating position is indicated by the alignment of the arrow and dimple as shown in Figure 20 on Page 15. F. Install firestop / spacer at ceiling - When using Secure Vent, use SV4.5VF firestop / spacer at ceiling joists; when using Secure Flex, use SF4.5VF firestop / spacer. If there is living space above the ceiling level, the firestop/ spacer must be installed on the bottom side of the ceiling. If attic space is above the ceiling, the firestop/ spacer must be installed on the top side of the joist. Route the vent sections through the framed opening and secure the firestop / spacer with 8d nails or other appropriate fasteners at each corner. Remember to maintain 1" (25 mm) clearance to combustibles, framing members, and attic or ceiling insulation when running vertical chimney sections. Attic insulation shield (H3907) may be used to obtain the required clearances indicated here. See installation accessories Tables on Pages 33 and 34. G. Support the vertical run sections - See Step E on Page 15. H. Change vent direction - At transition from or to a horizontal / inclined run, install the SV4.5E45 and SV4.5E90 elbows in the same manner as the straight vent sections. The elbows feature a twist section to allow them to be routed about the center axis of their initial collar section to align with the required direction of the next vent run element. Twist elbow sections in a clockwise direction only so as to avoid the possibility of unlocking any of the previously connected vent sections (see Figure 20 on Page 15). I.Continue installation of horizontal/ inclined sections -Continue with the installation of the straight vent sections in horizontal / inclined run as described in Step E. Install support straps every 5 ft. (1.52 m) along horizontal / inclined vent runs using conventional plumber’s tape. See Figure 32. It is very important that the horizontal / inclined run be maintained in a straight (no dips) and recommended to be in a slightly elevated plane, in a direction away from the fireplace of 1/4" rise per foot (20 mm per meter) which is ideal, though rise per foot run ratios that are smaller are acceptable all the way down to at or near level. It is important to maintain the required clearances to combustibles: 1" (25 mm) at all sides for all vertical runs; and 3" (76 mm) at the top, 1" (25 mm) at sides, and 1" (25 mm) at the bottom for all horizontal/inclined runs. Use a carpenter’s level to measure from a constant surface and adjust the support straps as necessary. NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 20 J. Assemble vent run to exterior wall - If not previously measured, locate the center of the vent at the exterior wall. Prepare an opening as described in Step B. Assemble the vent system to point where the terminus of the last section is located relative to the exterior surface to which the termination is to be attached as shown in Figure 34. If the terminus of the last section is not within this distance, use the telescopic vent section SV4.5LA, as the last vent section. For wall thicknesses greater than that shown in Figure 34, refer to Table 9 on Page 21. This Table lists the additional venting components needed (in addition to the termination and adapter) for a particular range of wall thicknesses. K. Attach termination adapter - Attach the adapter (SV4.5RCH - provided with the termination) to the vent section or telescoping vent section), elbow or appliance collar as shown in Figures 33 and 34 in the same manner as any SV4.5 vent component (refer to Step E). L. Install Firestop / Spacer at exterior wall - When using the square termination, install SV4.5HF (Secure Vent), SF4.5HF (Secure Flex) Firestop / Spacer over the opening at the exterior side of the framing, long side up, wi...

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