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Manafacture: Monessen Hearth File size: 973.7 kb File name: Lennox_Hearth_D400_Installation_700020M.pdf Language of manual:

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. SFHRK Snorkel Cap –The snorkel cap is designed to be fitted into a basement window box. The SFHRK cap is for use with flex vent The vertical distance between the inlet and outlet of the cap is 28 in. (711 mm). pipe. *Note: See Figure 35 for wall thickness range reductions when using SV4.5HTS and SV4.5HTSS terminations. Figure 35Figure 34See Table 3 as an aid in venting component selection for a particular range of exterior wall thicknesses. HORIZONTAL VENT FIGURES/TABLES Note: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. Note: 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..." 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. The round horizontal termination (SV4.5HTR) may not be used. WARNING: UNDER NO CIRCUMSTANCES MAY SEPARATE SECTIONS OF CONCENTRIC FLEXIBLE VENT PIPE BE JOINED TOGETHER. The round horizontal termination (SV4.5HTR) may not be used. Note: Secure Vent components (rigid vent pipe and terminal) are shown in the figures;Secure Flexcomponents (flexible vent pipe and terminal) may also be used. Rear Vent - NO ELBOWS - with SV4.5HTS SQUARE OR SV4.5HTSS SHORT SQUARE TERMINATION Rear Vent - NO ELBOWS - with SV4.5HTSSL LONG SQUARE TERMINATION Note:SV4.5BF (Secure Vent), SF4.5BF (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. roiretxEsuoiraVrofderiuqeRstnenopmoCgnitneV-3ELBATstiKnoitanimreTesehTfoynAgnisUnehW, sessenkcihTllaWnoitanimreTerauqSllamS)STH5.4VS(noitanimreTerauqS)RTH5.4VS(noitanimreTdnuoR)SSTH5.4VS( stnenopmoCgnitneVderiuqeRsessenkcihTllaWroiretxEmm(sehcni) ylnOtiKnoitanimreT6 4/101ot)062ot251( tnev.ni6dnatiKnoitanimreT)6L5.4VS(noitces)573ot062(4/341ot4/101tnev.ni21dnatiKnoitanimreT)21L5.4VS(noitces)725*ot524(4/302*ot4/361cipocseleTdnatiKnoitanimreT.ni6dna)AL5.4VS(noitces)6L5.4VS(noitcestnev)255*ot892(4/312*ot4/311*Wall Firestop/Spacer (SV4.5HF) 28 in. (711 mm) Maximum Note - In applications where the wall thickness is less than 6 inches (152 mm), field shortening of the termination collar may be required. SV4.5HTSS Termination Shown 20 in. (508 mm) Maximum *When using Secure Flex, use Firestop/Spacer(SF4.5HF) *Wall Firestop/Spacer (SV4.5HF) 28 in. (711 mm) Maximum. Note - It may be necessary to cut the termination collar in some applications. 10... to 20 in. (273 to 508 mm) 12 in. Vent Section (SV4.5L12) *When using Secure flex, use Firestop/Spacer SF4.5HF) Do Not recess the SV4.5HTR round termination at all. See Horizontal Venting Figures and Tables for Use Restrictions SV4.5HTR Horizontal Round TerminationFigure 33 3. Install the round termination (SV4.5HTR) – See Figure 33for an illustration of the round termination. For the last step, from outside the exterior wall, slide the collars of the termination onto the adapter (same as shown in Figure 31 for the SV4.5HTSS short square termination) until the termination seats against the exterior wall surface to which it will be attached. Orient the housing of the termination with the arrow pointed upwards. Secure the termination to the exterior wall. M. Install the desired termination - See the horizontal venting figures for application restrictions on the round termination (SV4.5HTR). 1. Install the s...

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