6 ⅝" VENTING FRAMING AND FINISHING

Installing Support Brackets (Figure 63)

A horizontal pipe support MUST BE used for each 3 feet of horizontal run. The pipe supports should be placed around the pipe and nailed in place to framing members. There MUST BE a 3 inch clearance to combustibles above 6 ⅝ inch diameter pipe and elbows and 1 inch clearance on both sides and bottom of 6 ⅝ inch pipe to combustibles on all horizontal pipe sections and elbows.

Vertical runs of this vent systems must be supported every 4 feet above the appliance flue outlet by wall brackets attached to the 6 ⅝ inch vent pipe and secured with nails or screws to structural framing members.

Figure 63

Installing Firestops (Figures 64, 65, 66 and 67)

Firestops are required for safety whenever the vent system passes through an interior wall, an exterior wall, or a ceiling.These firestops act as a firebreak heat shield and as a means to insure that minimum clearances are maintained to the vent system.

Horizontal runs in the vent system which pass through either interior or exterior walls, require the use of wall firestops on both sides of the wall through which the vent passes.

Position the firestops on both sides of the 10 inch x 11 inch hole, previously cut. Secure with nails or screws. The heat shields of the firestops MUST BE placed towards the top of the hole. Continue the vent run through the firestops. See Figure 64.

10”

11”

Figure 64

Vertical runs of this system which pass through ceilings require the use of ONE (1) ceiling firestop at the hole in each ceiling through which the vent passes.

Position a plumb bob directly over the center of the vertical vent component and mark the ceiling to establish the center point of the vent. Drill a hole or drive a nail through this center point and check the floor above for any obstructions such as wiring or plumbing runs. Reposition the appliance and vent system, if necessary, to accommodate ceiling joists and/or obstructions.

Cut a 10 inch x 10 inch hole through the ceiling, using the center point previously marked. Frame the hole with framing lumber the same size as the ceiling joists. See Figure 65. If the area above the ceiling is NOT an attic, position and secure the ceiling firestop on the ceiling side of the previously cut and framed hole. See Figure

66.If the area above the ceiling is an attic, position and secure the firestop on top of the previously framed hole. See Figure 67.

NOTE: Remove insulation from the framed area in the attic before installing the firestop and/or vent pipes.

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Empire Comfort Systems DVP42FP, P)-2 ⅝ Venting Framing and Finishing, Installing Firestops Figures 64, 65, 66

DVP42FP, P)-2 specifications

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