Vertical Terminations, Using GS Series Pipe

VERTICAL TERMINATIONS

USING GS SERIES PIPE

Step 1. Check the installation instructions for required 2 inch clearances (air space) to combustibles when passing through ceilings, walls, roofs, enclosures, attic rafters, or other nearby combustible surfaces. (See page 24, FIG. 16) Do not pack air space with insulation. Check the instructions below for maximum vertical rise of the venting system, and any maximum horizontal offset limitations (Figure 11). All offsets fall within the set parameters of the vent graph located on page 15.

NOTE: Maximum vertical rise allowable is 30’ (900 mm) (Figure 12). All vertical installations require the installation of Restrictor strap found in the log box. See Figure A below.

FIG. 11

FIG. 12

NOTE: Maximum number of 45 degree elbows permitted for a vertical installation is eight, provided their installation does not decrease maximum vertical rise (as specified by Vent graph, pg. 15).

Step 2. Set the gas stove in its desired location. Drop a plumb bob down from the ceiling to the position of the stove flue exit, and mark the location where the vent will penetrate the ceiling. Drill a small hole at this point. Next, drop a plumb bob from the roof to the hole previously drilled in the ceiling, and mark the spot where the vent will penetrate the roof. Determine if ceiling joists, roof rafters, or other framing will obstruct the venting system. You may wish to relocate the stove, or to offset, as shown in Figure 12, to avoid cutting loadbearing members.

Step 3. To install the round support box/wall thimble in a flat ceiling, cut a 10” (254mm) square hole in the ceiling, centered on the hole drilled in Step 2. Frame the hole as shown in Figure 13.

Placement of Restrictor

Strap, Part #842-3330

NOTE: This plate rests on damper shaft.

FIG. A	FIG. 13

Page 22

DV-40 specifications

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