Assessments - 5, GPA: 3.2
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The siding standoff must sit flush against the exterior fascia material. 7. Combustible Exterior Wall Only: Slide the wall firestop over the vent pipe before connecting horizontal run to vent cap (see Figure 12). 8. Carefully move fireplace, with vent assembly attached, toward wall and insert vent pipe into horizontal termination. The pipe overlap should be a minimum of 11/4" (see Figure 13, page 10). 9. Combustible Exterior Wall Only: Slide wall firestop against interior wall surface and attach with screws provided. See Figure 13, page 10, for horizontal termination details. 10. Place fireplace into position and shim with noncombustible material if needed. Nail or screw side flanges to framing to secure unit in place. IMPORTANT: Make sure fireplace is level before securing. If fireplace is not level it will not work properly. Venting Installation instructions Continued Vent Cap Wood Screw Figure 10 - Installing Horizontal Vent Cap (Noncombustible Exterior) Cut Siding Away to Fit Standoff Standoff Wood Screw Vent Cap Apply Mastic to All Four Sides Screws Figure 11 - Installing Siding Standoff (Combustible Exterior Wall) Interior Wall Surface Wall Firestop Vent Cap (Horizontal Termination) Horizontal Vent Pipe Screw Figure 12 - Connecting Vent Cap with Horizontal Vent Pipe Venting Installation instructions Continued GROUND FLOOR INSTALLATION Recommended Applications: • Installation using cabinet surrounds • Through the wall using round or square termination (up to 12" horizontal pipe) • NOT FOR CORNER INSTALLATION Minimum Pipe Overlap 11/4" Siding Standoff Direct-Vent Pipe Adjustable Pipe 12" Max. Horizontal High Wind Square Termination Screws 45° Elbow Wall Firestop Wall Firestop Maintain 1" Minimum Air Space Around Outer Pipe When Penetrating a Wall High Wind Termination Square Termination Vertical (V) Horizontal (H) 32 3/4" min. 17" max. Apply Mastic to Outside Edge of Standoff 10 3/4" x 10 3/4" Framed Opening Exterior Portion of Wall Firestop (Round Termination Only) 45° Elbow Exterior Wall with Vinyl Siding Wall Firestop Figure 13 - Typical Horizontal Termination Cap Mounting with Additional Siding Standoff Installed Horizontal Termination Configurations Figures 14 through 18 show different configurations and alternatives for venting with horizontal termination. Each figure includes a chart with critical minimum and maximum dimensions which MUST be met. IMPORTANT: If using a venting configuration of only horizontal venting with no vertical run, a 1/4" rise for every 12" of run toward the termination is required. NOTICE: Do not seal termination cap to vent pipe. Cap must be removable for vent inspection and maintenance. WARNING: Never run vent downward as this may cause excessive temperatures which could cause a fire. Operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life. Horizontal Round Termination Round Termination * If installing this fireplace at altitudes of 4000 feet and above, it is recommended that an additional vertical height of 6" be added to the vent system. Figure 14 - Horizontal Termination Configuration for Square or Round Terminations CORNER INSTALLATION Recommended Applications: • Corner ground floor installation • Ground floor installation where pipe vents horizontally through wall (over 12" horizontal pipe) • Basement installation where one foot clearance from ground to termination is possible SNORKEL TERMINATION INSTALLATION Recommended Applications: • Installations requiring a vertical rise on building exterior • Any installation using snorkel termination to achieve one foot above ground Snorkel terminations are available for installations requiring a vertical rise on the exterior of the building. If installing snorkel termination below grade, you must provide proper drainage to prevent water from entering snorkel termination (see Figure 16). Do not back fill around snorkel termination. Venting Installation instructions Continued Not to Exceed (H) Limits Square Termination 90° Elbow Wall Firestop 90° Elbow 12" Min. Not to Exceed (H) Limits Square Termination As Required for (V), See Chart for Pipe Section Required 45° Elbow Wall Firestop Required Vertical (V) Vertical Pipe Horizontal (H) *43 1/2" min. None 30" max. 54 1/2" min. 1 ft. 48" max. 66 1/2" min. 2 ft. 60" max. 78 1/2" min. 3 ft. 84" max. 90 1/2" min. 4 ft. 20' max. * Ground Floor Corner Venting 45° Elbow Figure 15 - Horizontal Termination Configuration for Corner Installation Using One 90° Elbow Snorkel Termination Wall Firestop Snorkel Termination Snorkel Termination 90° Elbow 12" Min. 12" Min. 12" Min. 45° Elbow Adequate Drainage Figure 16 - Snorkel Termination Configurations for Below Ground Installation Venting Installation instructions Continued HORIZONTAL SYSTEM INSTALLATION USING TWO 90° ELBOWS The following configurations show the minimum vertical rise requirements for a horizontal system using two 90° elbows. 45° Elbow Venting with Two 90° E...
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