Venting System For Direct Vent Gas Stoves and Fireplaces DirectVent Pro Installation Instructions
A MAJOR CAUSE OF VENT RELATED FIRES IS FAILURE TO MAINTAIN REQUIRED CLEARANCES (AIR SPACES) TO COMBUSTIBLE MATERIALS. IT IS OF THE UTMOST IMPORTANCE THAT DOUBLE WALL DIRECTVENT PRO BE INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS. IMPORTANT: Read through all of these instructions before beginning your installation.
For the most up-to-date installation instructions, see www.duravent.com CONTENTS DirectVent Pro Venting System for Direct Vent Gas Stoves and Fireplaces Application | Warning | Safety & Installation Precautions . . . . . . . . . . . . . . 4 Options | Planning Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Snorkels . . . . . . . . . . . . . . . . . . . .
APPLICATION These instructions apply to the M&G DuraVent DirectVent Pro 4”x6-5/8” and 5”x8” systems. This venting system, in combination with the gas appliance, has been tested and listed as a decorative gas appliance system or as a direct vent heater system by a major testing agency such as UL, AGA, CGA, OMNI, or Warnock Hersey. Check the manufacturer’s rating plate and instruction manual to confirm that the M&G DuraVent Direct Vent is approved for use on the brand name appliance you have selected.
• Installation other than as instructed by M&G DuraVent or the appliance manufacturer. ROUND HORIZONTAL TERMINATION CAP SHOWN PIPE SECTION Consult your local building codes before beginning the installation. OPTIONS The M&G DuraVent DirectVent Pro offers a complete line of component parts for both horizontal and vertical installations. Many items are offered in decorative black as well as galvanized finish.
VERTICAL HIGH WIND TERMINATION CAP SHOWN STORM COLLAR CEILING FIRESTOP ROOF FLASHING ROUND CEILING SUPPORT/WALL THIMBLE COVER PIPE SECTION CATHEDRAL CEILING SUPPORT BOX PIPE SECTION APPLIANCE ADAPTOR Figure 3 appliance manufacturer’s installations instructions to determine the minimum clearance from the rear of the appliance to the wall. It is also important to note the wall thickness.
of pipe into the female end until the locking lugs are covered. Twist the female end clockwise an eighth of a turn to lock sections together (Fig. 5). Screws are not required to secure the joint, but are acceptable provided they do not penetrate the inner wall of the vent pipe. (2) Horizontal runs of vent pipe must be supported to prevent any downward sags. Horizontal pipe sections should be supported at least every 4-feet. Wall Straps can be used for this purpose.
Table 1 DirectVent pro framing or cutout dimensions Stock number 46DVA-WT 46DVA-WTS 46DVA-WTU 46DVA-CS 46DVA-FS 46DVA-WFS 46DVA-VSS 46DVA-CF 46DVA-CFK 46DVA-CFKS 46DVA-VSK 46DVA-VSKS 46DVA-IS 58DVA-WT 58DVA-WTS 58DVA-WTU 58DVA-CS 58DVA-FS 58DVA-WFS 58DVA-VSS 56DVA-VSK 58DVA-CF 58DVA-CFK 58DVA-IS component description Wall Thimble Wall Thimble (Small) Wall Thimble Universal Ceiling Support Fire Stop Wall Fire Stop Vinyl Siding Standoff Counter Flashing (Assembled) Counter Flashing (4pc.
horizontally from the centerline of the regulator. (h) Clearance to a service regulator vent outlet: 6 feet minimum. (i) Clearance to non-mechanical air supply inlet to a building or the combustion air inlet to any other appliance: 12 inches minimum. (j) Clearance to a mechanical air supply inlet: 6 feet minimum. (k) Clearance above a paved sidewalk or paved driveway located on public property: refer to local code. (l) Clearance under a veranda, porch, deck or balcony: 12 inches minimum. Step 4.
of 1-1/4 inches. Use the two sheet metal screws provided to secure the Pipe Section to the back of the Termination Cap. The Wall Thimble Cover will cover the screw heads (Fig. 8). Step 7. Slide the Wall Thimble Cover up to the wall surface and attach to the wall with screws provided (Fig. 9). Apply optional decorative brass trim to Wall Thimble Cover, if desired. entering the Snorkel Termination (Fig. 11). Do not attempt to enclose the Snorkel within the wall or any other type of enclosure.
Installing the 1-piece Vinyl Siding Standoff: Cut a square opening in the vinyl siding centered around the framed opening, in accordance with the dimensions provided in Table 1, page 8. Mount the Vinyl Siding Standoff to the wall using the screws provided. Seal around the perimeter of the Vinyl Siding Standoff using non-hardening waterproof sealant to help ensure a weather tight seal. Secure the Horizontal Termination Cap to the Vinyl Siding Standoff using the (4) long screws provided with the cap.
VINYL SIDING, STUCCO OR OTHER SIDING MATERIAL ASSEMBLE VINYL STANDOFF/COUNTER FLASHING IN SPECIFIC ORDER 1 2 4 3 CUT EXTERIOR OF WALL AS REQUIRED IN TABLE 1 4 PC.
MARK LOCATION MARK AND DRILL PLUMB BOB Figure 13 ceilings, walls, roofs, enclosures, attic rafters, or other nearby combustible surfaces. Do not pack air spaces with insulation. Check the appliance manufacturer’s instructions for maximum vertical rise of the venting system and any maximum horizontal offset limitations. Step 2. Set the gas appliance in the desired location.
PIPE EXTENSION FRAMING PIPE SECTION CEILING JOISTS CUT AND FRAME DECORATIVE CEILING SUPPORT COVER 1 1/2" WOOD SCREWS Figure 15 FRAMING DECORATIVE CEILING SUPPORT COVER ME 1 1/2" WOOD SCREWS Figure 14 roofline. Galvanized Pipe and Elbows may be utilized in the attic, as well as above the roofline. The galvanized finish is desirable above the roofline, due to higher corrosion resistance.
WALL STRAP/ PLUMBERS TAPE 45° ELBOW 45° ELBOW Figure 16 DIMENSION "H" OBTAINED FROM TABLE 2 Figure 17 Table 3 Roof Pitch Minimum HeightMinim Flat to 7/12 Over 7/12 to 8/12 Over 8/12 to 9/12 Over 9/12 to 10/12 Over 10/12 to 11/12 Over 11/12 to 12/12 Over 12/12 to 14/12 Over 14/12 to 16/12 Over 16/12 to 18/12 Over 18/12 to 20/12 Over 10/12 to 21/12 Feet 1 1.5 2 2.5 3.25 4 5 6 7 7.5 8 Meters 0.3 0.46 0.61 0.76 0.99 1.22 1.52 1.83 2.13 2.29 2.
OPTIONAL LOW PROFILE TERMINATION CAP HIGH WIND VERTICAL TERMINATION SECURE FLASHING WITH NON-HARDENING SEALANT AND ROOFING NAILS STORM COLLAR ROOF FLASHING Figure 18 NAILS ATTIC INSULATION SHIELD REQUIRED CLEARANCE CLEARANCE AS REQUIRED BY APPLIANCE MFG CLEARANCE AS REQUIRED BY APPLIANCE MFG Figure 19 16 Pipe Sections and the insulation or other debris.
the centerline of the venting system on the ceiling and drill a small hole through the ceiling and roof at this point. From the roof, locate the drill hole and mark the outline of the Cathedral Ceiling Support Box. Step 3. Remove shingles or other roof covering as necessary to cut the rectangular hole for the Support Box (refer to Table 1 for dimensions). Cut the hole 1/8-inch larger than the Support Box outline. Step 4.
Sections. Continue to add Pipe Sections until you are above the roofline. Step 8. Follow Steps 7 through 10 (page 15 & 16) of the Vertical Installation Instructions. Step 9. Install the black Trim Collar around the outside of the Cathedral Ceiling Support Box. The two pieces of the Trim Collar slide over one another to allow for easy adjustment around the Support Box. Using the six (6) screws provided, secure the four corners and the overlapping sections of the Trim Collar to the underside of ceiling.
VERTICAL HIGH WIND OR LOW PROFILE TERMINATION CAP ROUND, SCONCE OR SQUARE HORIZONTAL TERMINATION CAP DECORATIVE CEILING SUPPORT/WALL THIMBLE COVER 2 PIECE WALL THIMBLE APPLIANCE ADAPTOR STORM COLLAR PIPE SECTION ROOF FLASHING CEILING FIRESTOP ROUND CEILING SUPPORT/WALL THIMBLE COVER CATHEDRAL CEILING SUPPORT BOX Figure 23 PIPE SECTION ROUND, SCONCE OR SQUARE HORIZONTAL TERMINATION CAP PIPE SECTION APPLIANCE ADAPTOR DECORATIVE CEILING SUPPORT/WALL THIMBLE COVER 2 PIECE WALL THIMBLE 90° ELBOW PIPE
M&G DuraVent limited lifetime Warranty M&G DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used. DuraVent products are fully warranted if installed only by a professional installer.
