valutazioni - 4, GPA: 3.8
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Facilità d'uso
Clearance under a veranda, porch, deck or balcony.** Clearance above the roof. Clearance from an adjacent wall including neighbouring buildings. CANADIAN U.S.A. 12 INCHES 12 INCHES 12 INCHES* 32 INCHES** 32 INCHES** 0 INCHES 0 INCHES*** 2 INCHES*** 3 FEET 3 FEET 12 INCHES 6 FEET 7 FEET‡ 32 INCHES†† 16 INCHES 2 FEET†* INSTALLATIONS AIR TERMINAL INSTALLATIONS FIGURE 2 * Recommended to prevent condensation on windows and thermal breakage ** Using a Napoleon soffit heat shield, W585-0096, or equivalent, the distance may be reduced to a minimum of 18". It is recommended to maximize the distance to vinyl clad soffits. *** The periscope GD-401 requires a minimum 18 inches clearance from an inside corner. **** This is a recommended distance. For additional requirements check local codes. † Three feet above if within 10 feet horizontally. ‡ A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. †† Permitted only if the veranda, porch or deck is fully open on a minimum of two sides beneath the floor. †* Recommenced to prevent recirculation of exhaust products. For additional requirements check local codes. W415-0381 / C / 05.13.04 TYPICAL VENT INSTALLATIONS TYPICAL VENT INSTALLATIONS NOTE: When terminating vertically, the restrictor plate W500-0205 must be installed. Refer to Restricting Vertical Vents. FIGURES 3 a-c SPECIAL VENT INSTALLATIONS PERISCOPE TERMINATION Use the GD401 periscope kit to locate the air termination above grade. The periscope must be installed so that when final grading is completed, the bottom air slot is located a minimum of 12 inches above grade. The maximum allowable vent length depends on the fireplace, as illustrated. FIGURE 4 W415-0381 / C / 05.13.04 VERVERVERVERVERTICALTICALTICALTICALTICALTERMINTERMINTERMINTERMINTERMINAAAAATIONTIONTIONTIONTIONHORIZONTHORIZONTHORIZONTHORIZONTHORIZONTALALALALALTERMINTERMINTERMINTERMINTERMINAAAAATIONTIONTIONTIONTIONvertical risevertical risevertical risevertical risevertical rise is equal tois equal tois equal tois equal tois equal to or greateror greateror greateror greateror greater than thethan thethan thethan thethan the horizontalhorizontalhorizontalhorizontalhorizontal runrunrunrunrun horizontalhorizontalhorizontalhorizontalhorizontal run + verti-run + verti-run + verti-run + verti-run + verti- cal rise tocal rise tocal rise tocal rise tocal rise to maximummaximummaximummaximummaximum of 40 feetof 40 feetof 40 feetof 40 feetof 40 feet vertical risevertical risevertical risevertical risevertical rise is equal tois equal tois equal tois equal tois equal to or greateror greateror greateror greateror greater than thethan thethan thethan thethan the horizontalhorizontalhorizontalhorizontalhorizontal runrunrunrunrun horizontalhorizontalhorizontalhorizontalhorizontal run + verti-run + verti-run + verti-run + verti-run + verti- cal rise tocal rise tocal rise tocal rise tocal rise to maximummaximummaximummaximummaximum of 40 feetof 40 feetof 40 feetof 40 feetof 40 feet vertical risevertical risevertical risevertical risevertical rise is less thanis less thanis less thanis less thanis less than horizontalhorizontalhorizontalhorizontalhorizontal runrunrunrunrun horizontalhorizontalhorizontalhorizontalhorizontal run + verti-run + verti-run + verti-run + verti-run + verti- cal rise tocal rise tocal rise tocal rise tocal rise to maximum ofmaximum ofmaximum ofmaximum ofmaximum of 24.75 feet24.75 feet24.75 feet24.75 feet24.75 feet 4.2 times4.2 times4.2 times4.2 times4.2 times the verticalthe verticalthe verticalthe verticalthe vertical rise equal torise equal torise equal torise equal torise equal to or greateror greateror greateror greateror greater than thethan thethan thethan thethan the horizontalhorizontalhorizontalhorizontalhorizontal runrunrunrunrun verticalverticalverticalverticalvertical rise is lessrise is lessrise is lessrise is lessrise is less than hori-than hori-than hori-than hori-than hori- zontal runzontal runzontal runzontal runzontal run horizontalhorizontalhorizontalhorizontalhorizontal run + verti-run + verti-run + verti-run + verti-run + verti- cal rise tocal rise tocal rise tocal rise tocal rise to maximummaximummaximummaximummaximum of 40 feetof 40 feetof 40 feetof 40 feetof 40 feet 3 times the3 times the3 times the3 times the3 times the vertical risevertical risevertical risevertical risevertical rise equal to orequal to orequal to orequal to orequal to or greatergreatergreatergreatergreater than thethan thethan thethan thethan the horizontalhorizontalhorizontalhorizontalhorizontal runrunrunrunrun VENTING APPLICATION FLOW CHART W415-0381 / C / 05.13.04 ELBOW VENT LENGTH VALUES DEFINITIONS for the following symbols used in the venting calcula tions and examples are: > -greater than > -equal to or greater than < -less than < -equal to or less than H T -total of both horizontal vent lengths (H R) and off sets (H O) in feet H R -combined horizontal ven...
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