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Installation Instructions
PolyPro Single-Wall Gas Vent System for Category II & IV Gas-Burning Appliances
Page 1: ...PolyPro Installation Instructions PolyPro Single Wall Gas Vent System for Category II IV Gas Burning Appliances ...
Page 2: ...s exactly as written This venting system must be free to expand and contract This venting system must be supported in accordance with these instructions Check for proper joint construction when joining pipe to fittings Check for unrestricted vent movement through walls ceilings and roof penetrations Different manufacturers have different joint systems and adhesives Do not mix pipe fittings or join...
Page 3: ... instructions see www duravent com PolyPro CONTENTS Application 4 Clearances 4 Permits 4 Equipment And Materials 4 General Installation Notes 4 JOINT CONNECTIONS 5 Installation 7 HorizontalTerminations 9 vertical Terminations 12 Condensate Drain 14 Maintenance 14 Warranty 16 ...
Page 4: ... restrictions and installation inspections in your area EQUIPMENT AND MATERIALS Hammer Drill Pliers or Channel Locks Caulking Gun Plumb Bob Screwdrivers Phillips Standard Tin Snips Saber or Keyhole Saw Level Dependable Ladder Tape Measure Proper Gloves and Shoes Eye Protection Materials You May Need RTV Silicone Sealant be sure sealant is used before its expiration date 8 Penny Nails 8 1 1 2 Wood ...
Page 5: ...liances adjusted to eliminate future accumulation Use only a soft brush for cleaning the sections and fittings If any important The vent system must terminate in accordance with local code requirements and appropriate National Codes In the US NFPA 54 ANSI Z223 1 National Fuel Gas Code or the International Fuel Gas Code In Canada CAN CGA B149 1 Natural Gas Installation Code or CAN CGA 149 2 Propane...
Page 6: ... INSIDE FEMALE END WALL STRAP ACTING AS SUPPORT WITH ANCHOR BOLT MINIMUM 1 PER HORIZONTAL PIPE SECTION LOCKING BANDS REQUIRED AT EVERY JOINT ALTERNATE WALL STRAP DESIGN AVALIABLE Max 10ft 3m Figure 2 caution Caution Do not use grease or other lubricant on the vent seals Only water may be used for this purpose Grease or other lubricant can make the seal brittle or it can result in tears in the surf...
Page 7: ...dy of the vent pipe Slide the metal Wall Strap around the body of the PolyPro vent pipe or open the clamp to wrap around the pipe When the vent pipe is in place secure the metal Wall Strap to the nearby wall or structural member using 2 1 1 2 8 wood screws or equivalent Secure the Wall Strap around the vent pipe by tightening the nut and bolt of the clamp installation 1 Connect PolyPro vent pipe t...
Page 8: ... is needed Refer to the Joint Connection section above Additionally Wall Straps are required to support the overall vent run To support the vent run mount Wall Straps on a nearby wall or other fixed structure of the building 6a Straight vent sections that are installed vertical must be supported withWall Straps every 10 feet 3 meters or less Figure2 6b Straight vent sections installed with a slope...
Page 9: ...rmination The concentric Horizontal Termination Figure 7 is specifically designed and engineered to handle wind loads and backpressure Refer to Table A for the size of the hole in the wall needed for the different diameter terminations The Twin Pipe Termination is a side by side collinear vent system for the exhaust and the air inlet Figure 8 For the Twin Pipe Figure 7 INTERIOR WALL PLATE EXTERIOR...
Page 10: ...sures the Concentric Horizontal Termination is in the correct position for proper wind performance If needed for your installation the interior end of the Concentric Horizontal Termination can be cut to length as long as it extends through the wall Be sure to remove any burrs after cutting The Concentric Horizontal Termination must be installed either level or with a maximum downward pitch of 1 8 ...
Page 11: ...wist the pipe so the female Figure 11 INTERIOR WALL PLATE EXTERIOR WALL PLATE EXHAUST PIPE AIR INLET PIPE OUTER COVER PLATE APPLY BEAD OF SILICON SEALANT AROUND FEMALE END TO SEAL AGAINST EXTERIOR WALL PLATE end s keyway slides past the Exterior Wall Plate as shown If needed the PolyPro vent pipe sections can be cut to length for your installation On the exhaust vent attach the termination nozzle ...
Page 12: ...Choose the appropriate Flashing in accordance with your roof For pitched roofs an Adjustable Roof Flashing is available in either aluminum or polypropylene For flat roofs an aluminum Flat Roof Flashing is available Figure 13 2 For each floor level between the appliance and the roof determine the location where the vent will penetrate through Cut and frame an opening through that floor level Instal...
Page 13: ...ole from the exterior of the roof Important Make sure that no dirt or debris drop into the boiler exhaust or air intake piping Figure 14 4 Place the Flashing into position on the roof 5 Carefully lower the Vertical Termination Cap down through the Flashing from the roof Figure 15 6 Verify that the VerticalTermination Cap is plumb using a level or similar device 7 Fix the roof clamp supplied around...
Page 14: ...ate must be managed by either the appliance or by the use of condensate drain s in the system A condensate drain requires a U bend or P trap made of corrosion resistant material must be used in the vent system and or the appliance must be able to manage the condensate as directed in the appliance manufacturer s installation instructions Warning Follow the appliance manufacturer s instructions with...
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Page 16: ... was intended and 3 documented annual inspection of the Liner and Components and maintenance as deemed necessary beginning one year after the date of installation and continuing throughout the warranty period by a Nationally Certified Chimney Sweep orVentinox installer The Liner and Components warranty is further subject to compliance with the following requirements throughout the warranty period ...
