Simpson DirectVent Pro Installation Instructions Manual

Venting system for direct vent gas stoves and fireplaces

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Installation Instructions
Venting System For
Direct Vent Gas Stoves
and Fireplaces
C o m p l e t e V e n t i n g S o l u t i o n s f o r t h e H e a r t h I n d u s t r y

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Summary of Contents for Simpson DirectVent Pro

  • Page 1 Installation Instructions Venting System For Direct Vent Gas Stoves and Fireplaces C o m p l e t e V e n t i n g S o l u t i o n s f o r t h e H e a r t h I n d u s t r y...
  • Page 2 Dear Customer, Installer, or End User: I welcome any comments regarding matters RELATED FIRES IS FAILURE pertaining to our Simpson Dura-Vent products. TO MAINTAIN REQUIRED I welcome any ideas, input or complaints and I’ll make sure that someone responds directly CLEARANCES (AIR back to you.
  • Page 3: Table Of Contents

    Venting System for Direct Vent Gas Stoves and Fireplaces CONTENTS Application | Warning | Safety & Installation Precautions ....4 Options | Planning Your Installation ....... . 5 Horizontal Installation .
  • Page 4: Application | Warning | Safety & Installation Precautions

    Be These instructions apply to the sure to check the vent termination Simpson Dura-Vent DirectVent Pro clearance requirements from decks, 4”x6-5/8” and 5”x8” systems. This windows, soffits, gas regulators, air...
  • Page 5: Options | Planning Your Installation

    • Installation of any non-DirectVent Pro pipe or component part not approved by Simpson Dura-Vent, including ROUND HORIZONTAL DirectVent GS pipe and fittings. TERMINATION • Installation other than as instructed CAP SHOWN by Simpson Dura-Vent or the PIPE appliance manufacturer.
  • Page 6: Horizontal Installation

    If this is the case, you may want to adjust the location of the appliance. Step 2. DirectVent Pro pipe and fittings are designed with special twist- lock connections. To connect the Figure 3...
  • Page 7 Alternatively, SCREWS plumbers tape or other suitable noncombustible material can be used to support the vent pipe. (3) DirectVent Pro venting requires no FEMALE sealant, unless specifically required by Figure 5 appliance manufacturer. Step 3. With the Appliance Adaptor...
  • Page 8 TABLE 1 DIRECTVENT PRO FRAMING OR CUTOUT DIMENSIONS STOCk NUMBER COMPONENT DESCRIPTION SIzE 46DVA-WT Wall Thimble 10”x 10” 46DVA-WTS Wall Thimble (Small) 9”x 9” 46DVA-WTU Wall Thimble Universal 9”x 9” 46DVA-CS Ceiling Support 10-3/4”x 10-3/4” 46DVA-FS Fire Stop 9”x 9”...
  • Page 9 termination): 18 inches minimum. (d) Clearance to an unventilated soffit: WOOD SCREWS 12 inches minimum. (e) Clearance to an outside corner: as tested by appliance manufacturer. (f) Clearance to an inside corner: as tested by appliance manufacturer. (g) Not to be installed above a meter/ regulator assembly within 3 feet horizontally from the centerline of the regulator.
  • Page 10: Snorkels

    SNORkELS For installations requiring a vertical rise on the exterior of the building, 14-inch and 36-inch tall Snorkel Terminations are available (Fig. 10). SHEET Follow the same general installation METAL SCREWS procedures as used for a standard Horizontal Termination. The standard Wall Thimble or Wall Firestop can WALL THIMBLE...
  • Page 11 SNORKEL OPTIONAL DVA-WTU ADJUST AND SECURE TELESCOPING THIMBLE SLEEVES WITH SCREWS 12" MINIMUM Figure 10 SNORKEL WALL THIMBLE COVER 12" MINIMUM ADEQUATE DRAINAGE Figure 11...
  • Page 12: Installing Vinyl Siding Standoff

    VINYL SIDING, STUCCO OR OTHER VINYL SIDING INSTALLATION SIDING MATERIAL ASSEMBLE VINYL The Vinyl Siding Standoff prevents STANDOFF/COUNTER FLASHING IN excessive heat from potentially warping SPECIFIC ORDER or melting the vinyl siding material. Vinyl Siding Standoffs are not used with Snorkels.
  • Page 13: Installing Counter Flashing

    the vinyl siding. Progressing counter- circumstances should stucco or other clockwise, place the left side, the material cover Termination Cap or bottom side, and then the right side air inlets. The Counter Flashing is around the opening in the siding. Refer available in both 1-piece and 4-piece to Figure 12.
  • Page 14: Vertical Installation

    CEILING JOISTS AND FRAME MARK LOCATION MARK AND DRILL FRAMING PLUMB DECORATIVE CEILING JOISTS CEILING AND FRAME SUPPORT COVER 1 1/2" WOOD SCREWS Figure 13 Figure 14 VERTICAL INSTALLATION system and any maximum horizontal Step 1. Check the appliance offset limitations. manufacturer’s installation instructions Step 2.
  • Page 15 Notes: where the vent will penetrate the roof (1) If exact lengths or distances must (Fig. 13). Determine if ceiling joists, be met between Elbow offsets or roof rafters, framing or other materials elsewhere, use the Pipe Extensions will obstruct the venting system. You to adjust onto standard Pipe Sections may wish to relocate the appliance, or (Fig.
  • Page 16 until the height of the system (before TABLE 2 adding the Cap) meets the minimum Minim ROOF PITCH MINIMUM HEIGHT building code requirements as Feet Meters described in (Table 2 and Fig. 17). Flat to 7/12 Note that for steep roof pitches, the Over 7/12 to 8/12 0.46 vent height must be increased.
  • Page 17 OPTIONAL LOW PROFILE TERMINATION CAP HIGH WIND VERTICAL SECURE FLASHING TERMINATION WITH NON-HARDENING SEALANT AND ROOFING NAILS STORM COLLAR ROOF FLASHING Figure 18 NAILS ATTIC the vent pipe, and the combustible INSULATION surfaces of the enclosure. Do not fill SHIELD required air spaces with insulation.
  • Page 18: Cathedral Ceiling Installation

    CATHEDRAL CEILING LEVEL INSTALLATION Step 1. Follow installation Steps 1 and 2 under Vertical Terminations. 2' MIN CATHEDRAL Step 2. Using the plumb bob, mark BELOW CEILING FINISHED SUPPORT BOX the centerline of the venting system CEILING on the ceiling and drill a small hole through the ceiling and roof at this CUT HOLE 1/8"...
  • Page 19 Step 7. Place the Support Clamp (provided with the Support Box) inside the Support Box (at the bottom), and secure to the Pipe Section. The Clamp allows the Support Box to support the weight of the Pipe Sections. Continue to add Pipe Sections until you are above the roofline.
  • Page 20: General Maintenance / Labels

    GENERAL MAINTENANCE LABELS All components are Conduct an inspection of the venting labeled with the appropriate system annually. Recommended identification information, and the UL areas to inspect are as follows: listing data, where applicable. 1. Check areas of the Venting System which are exposed to the elements for corrosion.
  • Page 22: Supplemental Canadian Instructions

    SUPPLEMENTAL CANADIAN ROUND, SCONCE OR SQUARE HORIZONTAL TERMINATION CAP INSTRUCTIONS When installing DirectVent Pro on DECORATIVE CEILING appliances in Canada, a 2-piece Wall SUPPORT/WALL THIMBLE COVER Thimble is required in order to comply with IR #41 (Fig. 1 and Fig. 2). Cut...
  • Page 23 VERTICAL HIGH WIND OR LOW PROFILE TERMINATION CAP STORM COLLAR ROOF FLASHING CEILING FIRESTOP ROUND CEILING SUPPORT/WALL THIMBLE COVER CATHEDRAL CEILING SUPPORT BOX PIPE SECTION PIPE SECTION APPLIANCE ADAPTOR Figure 3...
  • Page 24: Warranty

    Vicksburg MS Customer Service Support 800-835-4429 707-446-4740 FAX wwww.duravent.com DirectVent Pro is a registered trademark of the Simpson Dura-Vent Co., Inc. All rights reserved, 2008. Made in the USA. Simpson Dura-Vent is a division of Simpson Manufacturing Company. NYSE:SSD.

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