DuraVent BV, Installation Instructions Manual

Page 1: ...nt 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 ...

Page 2: ...uctions will void the manufacturer s warranty may create a fire or other safety hazard and may affect your homeowner s insurance and safety listing of your appliance Keep these instructions for future reference Dear Customer Installer or End User We welcome any comments regarding matterspertainingtoourDuraVentproducts We welcome any ideas input or complaints and somebody will respond directly back...

Page 3: ...nt Terminations 13 14 DuraCap Installation Vent Operation Painting 14 15 DuraConnect II 15 18 DuraConnect I 19 20 Warranty 32 SECTION 2 Large Diameter Model BV 10 to 30 20 25 Ilustrations 20 Draft Hood Connectors Firestop Support Plate Joint Method 21 22 Adjustable Length Gas Vent Fittings 23 Offset Table Increasers Tees Termination Caps 24 Termination of Vents 24 25 Vent Operation Painting 25 SEC...

Page 4: ...4 NOTE DIAGRAMS ILLUSTRATIONS ARE NOT TO SCALE CERTIFICATION LABELS ...

Page 5: ...e use of solid or liquid fuels DO NOT USE Model BV 3 GAS VENT JOINT METHOD All joints of Model BV Type B Gas Vent must be secured using the DuraLock feature To use the DuraLock feature ori ent sections as shown in Fig 1 and push adjacent pieces together until fully engaged NOTE Some local jurisdictions require a sup plemental screw s at joints to prevent disen gagement of the joint Although not re...

Page 6: ...ts for diameters of 10 to 30 Maintain the required minimum air space clearance to combustibles wires and insulation 1 for 3 thru 30 installed in the U S A 1 for 3 thru 24 installed in CANADA 2 26 thru 30 installed in CANADA 4 AIR SUPPLY Refer to the appliance installation instructions and consult local building codes and or NFPA 54 National Fuel Gas Code or the Canadian Gas Installation Code CSA B...

Page 7: ...1 Clearance to Combustible Material If an exterior location is necessary an exterior located Gas Vent as per Figure 3 must be Enclosed by a chase spaced out 1 from the vent at least to the roof line The enclosure should be caulked to prevent entry of moisture It is also recmommended that his chase be insulated to a minimum of R 12 RSI 2 1 Rigid type insulation is recommended If a non rigid type is...

Page 8: ...s 10 to 30 a FirestopSupport Platemustbeusedinstalled in a fully framed opening at the required air space clearances to combustible materials 7 FIRE STOPPING All Type B Gas Vents passing through floors ceilings or walls must be firestopped using the Firestop Spacer The Firestop must close the area between the outer wall of the pipe and the opening in the structure In areas such as attics with no f...

Page 9: ...ow a support serves as an expansion joint between two fixed points of properly supported gas vent Ordinarily the Adjustable Length must be secured but for expansion joints it should just maintain good contact and a minimum 1 1 2 overlap DO NOT USEAdjustable Lengths to suspend any weight of pipe below Elbows are fully adjustable Tees used to start vertical vents must use a Tee Cap to prevent air le...

Page 10: ... Connector and Vent Capacities and sizing recommendations MALE AND FEMALE UNIVERSAL ADAPTERS Male and female Universal Adapters are available in 3 through 8 ID sizes Universal male adapters may be used to adapt to the top outlet end of a compatible round Type B gas vent section in order to continue the system toward the termination with Model BV joint coupling design Universal female adapters may ...

Page 11: ...f the adapter over the bottom inlet end of the adjacent gas vent being sure that the aluminum inner wall of the existing vent section slides inside the inner liner of the adapter and the outer wall of the adapter slides up and around the inlet end of the adjacent gas vent piece Push the adapter up until it overlaps at least 1 1 2 Securely tighten the nut and bolt using a screwdriver and or pliers ...

Page 12: ... only be supported near the bottom Additional Gas Vent Lengths above the Support are simply stacked on See joining section to secure lengths together 12 SUPPORT PRIMARY AND OFFSETS 3 TO 8 Gas vent piping must be securely supported Lateral runs are to be supported at least every 5 feet The Support Plate has been tested to support a maximum of 35 of Gas Vent if additional height is required use anot...

Page 13: ...collar The top is securely attached to the gas vent as per section 15 Rule I For Pipes 12 and Under The top is suitable for installation on listed gas vents terminating a sufficient distance from the roof so that no discharge opening is less than 2 feet horizontally from the roof surface and the lowest discharge opening will be no closer than the minimum height specified in Fig 16 B These minimum ...

Page 14: ...t the system is not venting properly FIG 18 Match Test for Spillage 15 MODEL BV DURACAP INSTALLATION Model BV Type B Gas Vent DuraCap and Highwind Cap must be secured using the DuraLock feature To use the DuraLock feature orient sections as shown in Fig 1 and force the DuraCap to the upper end of the pipe until joint is fully properly engaged Engage the DuraTab with finger or thumb until it bends ...

Page 15: ...ke short straight runs where possible b Make no unnecessary bends c Make no bends greater than 90 degrees d Make bends as smooth as possible with no dips or sags e Install with at least a 1 4 per foot 20mm m rise 4 DuraConnect II Flexible Connector is Listed by Underwriters Laboratories UL for 1 25mm airspace clearance to combustibles in an unenclosed installation THIS PRODUCT SHOULD NOT BE FULLY ...

Page 16: ...sure proper clearances DuraConnect II as a Vent Connector Multiple Appliance System 1 To common vent connect to more than one appliance select and install a fixed wye or tee at the base inlet of the Type B Gas Vent system along with appropriate increasers if necessary at the inlets See Figure 24 2 Remember to reference the National Fuel Gas Code NFPA54 and Canadian Gas Fuel Installation Code CSA B...

Page 17: ...nds or create any bends greater than 90 degrees Attach the inlet female end of the Flexible Connector directly to the appliance draft hood or the appliance flue collar It is available in 3 4 and 5 diameters both having 2 3 4 and 5 lengths Fig 19 Fig 20 Fig 24 Fig 23 Fig 22 Fig 21 B Vent Support Assembly Attach To Model BV or Universal Female Adapter To Attach To Other B vent Firestop Trim Collar W...

Page 18: ...bs For Attaching To Pipe Trimmed Plate Attachment Tabs One 1 4 Sheet Metal Screw Per Tab Three 1 4 Sheet Metal Screws Through Snout Of Flashing Into Outer Wall Of B Vent Two Strips Of Plumbers Tape Installed As Shown Secure Tape To Roof Joist One 1 4 Sheet Metal Screw To Attach Each Plumbers Tape To B Vent Two Metal Brackets Installed As Shown Secure Metal Brackets To Roof Joist One 1 4 Sheet Meta...

Page 19: ...end to the water heater s draft hood first Fig 27 To extend the DuraConnect I grasp both ends and pull in opposite directions until the desired length is achieved Fig 26 DuraConnect I is flexible and expandable to a maximum of 60 length permitting a variety of orientations Inlet End Extension DuraConnect I is a Single Wall Expandable Flex Gas Vent Connector designed for use as a connector for List...

Page 20: ... following pages are additional information for the installation of the Large Diameter Type B Gas Vent Model BV Reference all requirements found through out these instructions See Figs 29 to 31 of graphics illustratiing the use of components required in the typical installations of Model BV 10 to 30 Fig 29 Type B Gas Vent Single Appliance Fig 31 Type B Gas Vent Multiple Appliances with Manifold Fi...

Page 21: ...the screws until the head of the screws are flush with the outer casing see Fig 33 Penetrating through the inner wall is acceptable only at this point to secure to the appliance flue outlet Fig 33 The Firestop Support Plate FSP is designed to be used with Type B Gas Vents in diameters of 10 to 30 The Vent Pipe Hanger SBA is designed for use with 10 and 12 diameters only They are used to provide la...

Page 22: ...aft Hood 30 Feet Maximum 30 Feet Maximum BV GAS VENT JOINT METHOD 10 TO 30 2 Press down on pipe all the way around until you hear a snap in place sound The pipes are now firmly connected See Step 2 1 Line up seams of both pipes ensure UPARROW on label is pointing up or away from the appliance See Step 1 TO LOCK JOINT TO UNLOCK JOINT 3 Pry out all lances teeth Rotate joint slightly while gently pul...

Page 23: ...or Braced if it Extends more than 5 Feet Above Roof See Table 1 page 14 Seal Around Collar and Flashings Maintain Proper Clearance Firestop Support Assembly Vertical Vent Draft Hood Connector Listed Appliance Terminate Vent At Least 5 Feet Above Draft Hood Whenever the vent is changed from a vertical direction the vent system must be resupported before and after the change in direction The support...

Page 24: ... 10 inch diameter can be increased with a single Increaser up to 18 inch A 22 inch diameter can be increased with a single Increaser up to 30 inch Tees Tees are available from 10 to 30 and are designed for breeching or as connectors for vertical sloped or horizontal systems They can also be used to provide access for inspection and cleaning Tees must be isolated from expansion forces by supporting...

Page 25: ...or use on galvanized steel Next apply an appropriate finish coat Checking Vent Operation After adjusting appliance and lighting main burner allow several minutes for warm up to begin venting action For water heaters and equipment with draft hoods hold a lighted match along the rim of the draft hood relief opening of the appliance Proper venting will draw the flame up or into the draft hood Imprope...

Page 26: ...quirements as round Type B Gas Vent such as the necessity of using firestops at each floor level See Section 1 Type B 2 x 4 Gas Vent 4 or 5 Oval Four and five inch Model BVO Oval Gas Vent may be installed within a standard 2x4 stud wall if all the following conditions are met 1 Arrows on parts should always point up 2 Stud bay must be a 16 inch on center stud bay 3 2x4 studs must be a minimum of 3...

Page 27: ...y and to provide the required opening between floors 3 Snap Hold Down Plate 4OHD B onto bottom end of pipe as shown in Figure 41 Install Vent Section in position Use two No 8 binder head sheet metal screws to attach Hold Down Plate firmly to Furnace header plate through pre punched holes 6 After passing through the last Firestop Spacer the Vent may be finished with either round or oval fittings fl...

Page 28: ...P 1 STEP 2 Lock by bending tabs outward Be sure small flap is on outside as shown Bend end flanges out along perforations to fit type of constructions see above STEP 3 Rectangular end flanges A are bent along perforations to fit 2 x 4 2 x 6 or 2 x 8 jjoists as required Make sure bottom edge of shield rests on or overlaps ceiling plate spacers STEP 4 CEILING PLATE SPACERS Locking of Joints 1 Place ...

Page 29: ...NOTE DIAGRAMS ILLUSTRATIONS ARE NOT TO SCALE 29 ...

Page 30: ...30 NOTE DIAGRAMS ILLUSTRATIONS ARE NOT TO SCALE ...

Page 31: ...NOTE DIAGRAMS ILLUSTRATIONS ARE NOT TO SCALE 31 ...

Page 32: ...bage or wood pellets containing such materials must not be burned in the appliance or fireplace In case of a chimney fire the chimney must be inspected and approved by a certified Chimney Sweep before reuse After each annual inspection maintenance and cleaning the certified Chimney Sweep must fill out and date the appropriate section of the warranty card provided with the chimney liner LIMITATIONS...