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DuraVent BV Installation Instructions Manual

Round and oval type b gasvent systems for use with natural gas or liquid propane category i and draft hood equipped appliances and appliances listed to use type b gas vent.
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Installation Instructions
Round and Oval Type B GasVent
Systems for use with natural gas or
liquid propane category I and draft hood
equipped appliances and appliances
listed to use Type B Gas Vent.
• Scan Code For French and Spanish Instructions
• Scannez le code pour les instructions en français et espagnol
• Código de escaneo para francés e instrucciones en español
L205 464002189 REV06 //2024
MODEL
BV

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Summary of Contents for DuraVent BV

  • Page 1 MODEL Installation Instructions Round and Oval Type B GasVent Systems for use with natural gas or liquid propane category I and draft hood equipped appliances and appliances listed to use Type B Gas Vent. • Scan Code For French and Spanish Instructions •...
  • Page 2 Read through all of these instructions We welcome any comments regarding before beginning your installation. Failure matters pertaining to our DuraVent products. to install this product as described in these We welcome any ideas, input or instructions will void the manufacturer’s complaints and somebody will respond ZDUUDQW\ PD\ FUHDWH D ¿UH RU RWKHU VDIHW\...
  • Page 3 &HUWL¿FDWLRQ /DEHOV                                                 SECTION 1 (Small Diameter Model BV - 3” to 8”) ....5 - 18 Vent Designations/Types of Appliances and Buildings, Joint Method.

  • Page 4: Certification Labels

    CERTIFICATION LABELS NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
  • Page 5 'HOHWLRQ RU PRGL¿FDWLRQ RI DQ\ RI WKH UHTXLUHG parts or materials may seriously impair the All sizes of Model BV Type B Gas Vent may safety of your installation, and void the certi- be used in single and multistory buildings. All ¿FDWLRQ DQG RU ZDUUDQW\ RI WKLV YHQW ,W LV RI WKH...
  • Page 6 Large Diameter Model BV Type B Gas Vents for diameters of 10” to 30”. FIG. 2 - Typical Installation of Model BV (3” to 8”) 4. AIR SUPPLY DuraVent Type B Gas Vents are recommended...
  • Page 7 Adjustable Tee Cap Length Vent 6. VENT CONNECTOR TYPE AND SIZE R12 Min. Model BV Type B Gas Vent meets all building Insulation Firestop codes and safety standards for use as gas Spacer or appliance vent connectors. Correct selec- Wall Thimble 25mm (1”)

  • Page 8: Attic Insulation Shield

    7 & 8 Firestop The Wall Support/Band is for use in supporting Spacer/Support 35 ft. of vertical Model BV (3” to 8”) and estab- Plate Firestop placed lishes the proper 1” clearance to wall to which RQ WRS RI ÀRRU RU it is attached, used at maximum 8 ft.
  • Page 9 10. USE OF GAS VENT FITTINGS When installed as a Wall Band, slip a vent 'R QRW FXW JDV YHQW SLSH RU ¿WWLQJV $GMXVWDEOH section through the band and clamp loosely /HQJWKV DUH WHOHVFRSHG RYHU ¿[HG OHQJWKV WR in place using the bolt and nut provided. Mark accommodate odd distances between vent the locations for the screws which will attach lengths or connectors.
  • Page 10 B gas vent section, in order to continue the and sizing guidelines permit a single wall system toward the termination with Model BV connector pipe may be attached to Model BV joint coupling design. )L[HG :\H ¿WWLQJ ZLWK D 'UDIW +RRG &RQQHFWRU...
  • Page 11 (inlet) end of the adjacent gas The top (outlet) end of the system has now vent being sure that the aluminum inner wall been converted to the DuraVent Model BV of the existing vent section slides inside the joint coupling design.
  • Page 12 12. SUPPORT - PRIMARY AND OFFSETS ROUND SUPPORT BUCKET (RSB) - 3” TO 8” The Round Support Bucket has been tested Gas vent piping must be securely supported. to support a maximum of 35’ of Type B Gas Lateral runs are to be supported at least every Vent.
  • Page 13 The bottom edge of the Hanger Bracket should be even with the bottom edge of Sheet Metal joists. Use four (4) nails per bracket, nailing Screws through small holes in the brackets (see below). Bolt Sheet DO NOT RELY ON TRIANGULAR-SHAPED Metal BARBS TO HOLD BRACKETS IN PLACE.

  • Page 14: Vent Termination

    PD\ EH VXVSHQGHG IURP WKH ÀDVKLQJ 7KH to combustible and pipe may be supported by the storm collar BV Type B Gas Vent UHVWLQJ RQ WKH WRS RI WKH ÀDVKLQJ  8VH  inch long sheet metal screws to attach the FIG.
  • Page 15 Fig. 16B For installations other than covered by the Table 1 (Fig. 16-B), or closer than 8 feet 15. INSTALLATION OF MODEL BV CAPS to any vertical wall, the DuraCap shall be DuraCap and the Low Profile Highwind not less than 2 feet above the highest point...
  • Page 16 DuraVent Type B Gas Vents. Use proper General: painting procedure at time of installation. 1) DuraConnect II Flexible Connector system is designed to simplify connection between gas burning appliances and Model BV Type B NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
  • Page 17 B Gas Vent. Individual lengths are provided PART 1 with the same type of joint connector system as Model BV Type B Gas Vent, permitting DuraConnect II as a Vent Connector - simple attachment. Adaptation to other Type Single Appliance System...
  • Page 18 AFTER COMPLETING INSTALLATION of the gas vent until it fully engages. Once OF CONNECTOR AND VENT SYSTEM, securely attached to Model BV, gently bend CHECK FOR PROPER VENT OPERATION. the Flexible Connector in the direction of the REFER TO GAS VENT INSTALLATION appliance to which it will be attached.
  • Page 19 Assembly Or Firestop If Fixed Wye Clearance Adequately Supported Or Tee Below Tee Cap Model BV Type B Gas Vent 1” (25mm) Min. Fig. 25 Flexible Connector Clearance Fig. 22 Sheet Metal Plate Attached To Bottom Side Of Roof Joist.
  • Page 20 Fig. 25c wall or Type B Gas Vent. Individual lengths are provided with the same type of outlet end connector as DuraVent Model BV Type B Vent, permit- Two Metal Brackets Installed ting simple attachment. The DuraConnect As Shown. Secure Metal Brackets To Roof Joist.
  • Page 21 To install: Extend inlet end down over collar SECTION 2 of appliance draft hood and secure in place MODEL BV LARGE DIAMETERS - 10” - 30” with minimum 3 screws (not supplied) through NOTE: The following pages are additional the inlet end extension of the DuraConnect I information for the installation of the Large and the collar of draft hood (see Figure 28).
  • Page 22 Universal Male Adapter - 10” & 12” A Universal Male Adapter is available only in diameters of 10” and 12”. It is used when CAPPED TEE adapting Model GV to Model BV. Position the APPLIANCES Adapter over the male end of a Model GV (BY OTHERS) length until fully seated.
  • Page 23 Secure the screws until the head of the 4. Mounting holes are provided around the VFUHZV DUH ÀXVK ZLWK WKH RXWHU FDVLQJ VHH perimeter of the Firestop Support Plate. Use Fig. 33). Penetrating through the inner wall appropriate fasteners to secure the Support is acceptable only at this point to secure to 3ODWH KDOYHV WR WKH RSHQLQJ EHWZHHQ ÀRRUV WKH DSSOLDQFH ÀXH RXWOHW...
  • Page 24 Length Section also provides relief for linear thermal expansion. The Adjustable Length Section should be positioned directly under the vent pipe section that is being supported. Disengage DuraTab. BV GAS VENT JOINT METHOD - 10” and 12” - DURATAB FEATURE TO LOCK JOINT Line up lance...
  • Page 25 Step 1 USE Adjustable Lengths to suspend any weight of pipe below. USE OF GAS VENT FITTINGS Model BV tees, elbows, increasers, and short 2. Press down on pipe lengths are specially designed to facilitate all the way around interconnections.
  • Page 26 (OERZV DUH XVHG WR R VHW LQVWDOODWLRQ WR Increasers avoid obstructions such as rafters and joists. An Increaser is used to make a transition Diameters 10” to 14” are fully adjustable from a smaller vent diameter to a larger vent IURP ƒ...
  • Page 27 0D[LPXP 2 VHW 7DEOH LQ LQFKHV With With Two 45° Elbows and: 45° Elbows 12” 18” 24” 36” Only Dia. 5-7/8 5-3/8 7-1/4 19-1/4 23-1/2 2 VHW 5-3/8 7-1/4 19-1/4 23-1/2 6-5/8 6-1/2 8-1/2 16-1/4 20-1/2 24-3/4 33-1/4 9-1/4 21-1/4 25-1/2 7-9/16 7-1/2...
  • Page 28 SECTION 3 10’ OR LESS MODEL BVO - OVAL GAS VENTS - 4” - 5” - 6” Basic Vent Structure 2’ MIN 2’ MIN Model BVO Oval Gas Vent is available in 2’ MIN sizes 4, 5, and 6- inch and is listed to UL441. The individual sizes reflect the flow rate NOTE: NO capacities equivalent to 4-inch, 5-inch, and...
  • Page 29 Type B 2 x 4 Gas Vent - 4” or 5” Oval with the Oval Tee Cap, and the Vent Pipe (D) )RXU DQG ¿YHLQFK 0RGHO %92 2YDO *DV as shown on Figure 40. Vent may be installed within a standard  $W HDFK ÀRRU OHYHO DERYH WKH 7HH LQVWDOO 2x4 stud wall if all the following conditions the Firestop Spacer (E) seen in Figure 40.
  • Page 30 6. After passing through the last Firestop Attic Insulation Shield 6SDFHU WKH 9HQW PD\ EH ¿QLVKHG ZLWK HLWKHU In some areas, the building code requires URXQG RU RYDO ¿WWLQJV ÀDVKLQJV DQG &DS the use of an attic insulation shield (AVS) on 5RXQG SLSH ¿WWLQJV ÀDVKLQJV DQG YHQW FDSV single-story Type B-W installations.
  • Page 31 STEP 4: CEILING PLATE SPACERS 5HFWDQJXODU HQG ÀDQJHV $ DUH EHQW DORQJ SHUIRUDWLRQV WR ¿W ´ [ ´ ´ [ ´ RU ´ [ ´ MRLVWV as required. Make sure bottom edge of shield rests on or overlaps ceiling plate spacers. Locking of Joints 1.
  • Page 32 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
  • Page 33 CSIA Certified Chimney Sweeps, NFI DuraVent products are fully warranted if installed only by a Certified Specialists, or WETT Certified Professionals. professional installer. This Warranty is transferable from the original homeowner to the buyer of the home.