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Young children should be carefully supervised when they are in the same area as a hot termination. To prevent contact with hot surfaces, we recommend the use of a Termination Guard. See Page 33. This can be purchased at your local dealer. SV4.5 HT-2 Termination SV4.5 HT-2 Termination SV4.5 HT-2 Termination Horizontal terminations have been designed to perform in a wide range of weather conditions. Our terminations meet or exceed industry standards. When selecting the locations of your horizontal terminations, do not place the termination where water from eaves and adjoining rooflines may create a heavy flow of cascading water onto the termination cap. If the cap must be placed where the possibility of cascading water exists, it is the responsibility of the builder to direct the water away from the termination cap by using gutters or other means. Take care to carefully follow the installation instructions for the termination, including the use of silicone caulking where required. Figure 34 Figure 33 - INSTALLING SQUARE HORIZONTAL TERMINATION (SV4.5HT-2) Siding Stucco 1-1/4” Maximum Recess of Square Termination into Exterior Finishing Material Exterior Surface of Framing Exterior Surface of Siding Maximum Extent of Vent Run Sections Relative to Exterior Surface of Framing Interior Surface of Finished Wall Last Vent Section. Use Telescopic Vent Section (SV4.5LA), If Necessary Adapter SV4.5RCH .. Use silicone caulking to seal the top and sides of the termination, up to the underlayment, stucco, or masonry wall surface. ..Caulk ..Caulk Maximum Wall Thickness 10 in. (254 mm) 6 in. to 9-1/4 in. (152 to 235 mm) .. .. 10..." (267mm) 7" (178) 5..." (130 mm) 12..." (308 mm) Note: Centerline of Vent Piping is NOT the Same as the Centerline of the Framed Opening. 6 to 48 inch Vent Section, Telescopic vent section, Elbow or Appliance Collar Base of Appliance 3" (76 mm) 1" Adapter (25.4 mm) SV4.5RCH To help minimize water infiltration it is recommended that the Firestop/Spacer (SV4.5HF) be installed on the exterior side of the wall. Venting Connection and Exterior Wall Recessing of the Horizontal Square Termination (SV4.5HT-2). See Figures 12 and 13 on Pages 10 and 11 for Min. Distance to Base of Appliance. vFor thicknesses greater than 9-1/4", see Table 9 Maximum wall thickness 9-1/4 in. (235mm) v NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 21 Square termination (SV4.5HT-2) shown. WARNING Under no circumstances, may separate sections of concentric flexible vent pipe be joined together. See Table 9 as an aid in venting component selection for a particular range of exterior wall thicknesses. H V vWall Firestop/ Spacer (SV4.5HF) u When using Secure Flex, use Firestop / Spacer SF4.5VF v When using Secure Flex, use Firestop / Spacer SF4.5HF Table E H Maximum V Minimum feet (meter) feet (meter) 3 (0.914) Elbow Only 5 (1.524) 1 (0.305) 10 (3.048) 2 (0.610) 15 (4.572) 3 (0.914) 20 (6.096) 4 (1.219) V + H = 40 feet (12.2 m) Max. H = 20 ft. (6.096 m) Max. Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1(V) to 5(H) ratio. For every 1 foot of vertical, you are allowed 5 feet of (H) horizontal run up to a maximum (H) horizontal run of 20 feet. Figure 36 - Top Vent, ONE 90 DEGREE ELBOW H = 28 in. (711 mm) Maximum 7 in. (711 mm) 21 in. (533 mm) Maximum u Wall Firestop / Spacer (SV4.5HF) Figure 35 - Side Vent, NO ELBOWS u When using Secure Flex, use Firestop / Spacer SF4.5HF Square termination (SV4.5HT-2) shown. Note: See Table 9 as an aid in venting component selection for a particular range of exterior wall thicknesses. Square termination (SV4.5HT-2) shown Venting Components Required for Various Exterior Wall Thicknesses, when using Square Termination Kit (SV4.5HT-2) Vent Components Required Exterior Wall Thickness - inches (mm) Termination Kit Only 6 to 9-1/4 (152 to 235) Termination Kit and 6 In. Vent Section (SV4.5L6) 10-3/4 to 14 (273 to 356) Termination Kit and 12 in. Vent Section (SV4.5L12) 16-3/4 to 20 (426 to 508) Termination Kit and Telescopic Section (SV4.5L12) 11-3/4 to 20 (299 to 508) Table 9 Note: See Figure 34 showing wall thickness range when using SV4.5HT-2 termination kit only. HORIZONTAL VENT FIGURES/TABLES Notes: • Secure Vent™ components (rigid vent pipe and terminal) are shown in the Figures; Secure Flex™ components (flexible vent pipe and terminal) may also be used. • Two 45 degree elbows may be used in place of one 90 degree elbow. The same rise to run ratios, as shown in the venting Figures for 90 elbows, must be followed if 45 degree elbows are used. • SV4.5VF (Secure Vent), SF4.5VF (Secure Flex) firestop/spacer must be used anytime vent pipe passes through a combustible floor or ceiling. SV4.5HF (Secure Vent), SF4.5HF (Secure Flex) firestop/spacer must be used anytime vent pipe passes through a combustible wall. • It is very important that the horizontal/inclined run be maintained in a straight (no dips) and recommen...

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