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Installation and Maintenance Instructions
Single Wall Rigid & Flexible Polypropylene
Type BH Vent Class IIc 230°F/110°C Max Flue Temp
2"-
4"(60-100mm) Diameter Vent For Positive, Neutral and Negative
Important: Do NOT install this product until you have read and fully understand these installation
instructions. Failure to comply with these instructions may result in injury or damage to property. An
improper installation will void any stated warranty.
Follow these instructions exactly as written.
Examine all components for possible shipping damage prior to installation.
Proper joint assembly is essential for a safe installation. Check integrity of joints upon
completion of assembly.
This venting system must be supported in accordance with these instructions.
Check for restricted vent movement through the walls, ceilings and roof penetrations. This
venting system must be free to expand and contract.
Do not mix Polyflue with pipe from different manufacturers.
Tested and Listed to ULC S636
Type BH Gas Venting Systems)
(Standard for Lining Systems for Existing Masonry
or Factory-Built Chimneys and Vents)
By Underwriters Laboratories, Inc.
File MH 16161
For Venting Residential & Commercial
Category II & IV Gas Burning Appliances
Pressures up to 15" w.c. (3733 Pa)
(Standard for
& ULC S635
p/n 834500
™
1
7-20-16
5030 Corporate Exchange Blvd
Grand Rapids, MI 49512
Call 800-992-8368
Fax 877-393-4145
www.Polyflue.com
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Summary of Contents for Selkirk Polyflue BH
- Page 1 Installation and Maintenance Instructions ™ Single Wall Rigid & Flexible Polypropylene Type BH Vent Class IIc 230°F/110°C Max Flue Temp For Venting Residential & Commercial Category II & IV Gas Burning Appliances 2”- 4”(60-100mm) Diameter Vent For Positive, Neutral and Negative Pressures up to 15”...
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Page 2: Table Of Contents
Table of Contents Application Information ............................ 3 Pre‐Installation Considerations .......................... 3 Personal Safety ................................ 3 Tools Required for Installation .......................... 3 Clearance to Combustibles ............................ 3 Typical Installations & Surroundings ......................... 4 Joint Sealing and Connection Method ........................ 6 Pitch and flue gas condensate removal ........................ 6 Customized Lengths— Cutting Standard Lengths ..................... 7 Horizontal Support .............................. 7 Vertical Support ................................. 7 Fire Stop .................................. 8 Horizontal Terminations ............................ 8 Exterior Wall Plate .............................. 9 Vertical Terminations .............................. 9 Flexible Pipe Installations ............................ 10 Flexible Pipe Joint Sealing and Connection Method .................... 10 Flexible in Masonry.............................. 12 Flexible in Unused Type B Gas Vent ........................ 13 Appliance Connectors .............................. 14 Combustion Air & Maintenance Procedures ...................... 15 Pipe &... -
Page 3: Application Information
Application Information Polyflue™ Gas Vent Systems may be used to vent safety certified Category II, IV and Certain Direct Vent gas appliances with a flue gas temperature of not more than 230°F (110°C). Polyflue can also be used to vent category II, IV gas fired appliances, when used as a re-liner for an unused existing masonry chimney liner or unused existing Type B Gas Vent. -
Page 4: Typical Installations & Surroundings
Typical Installations & Surroundings 1. This system may be installed in any combination of vertical and horizontal, enclosed and unenclosed configurations. The total length and number of fittings should not exceed the appliance manufacturer’s recommendations. This system may also be installed within an existing unused masonry chimney, unused B-vent or chimney system. - Page 5 RIGID FLASHING UV PIPE WALL RIGID FLASHING BRACKET UV PIPE WALL FIRESTOP BRACKET FIRESTOP LOCKING BAND FIRESTOP FIRESTOP FLEX PIPE LOCKING BAND HANGING FIRESTOP BAND WALL HANGING LOCKING BRACKET FIRESTOP BAND BANDS RIGID WALL PIPE APPLIANCE LOCKING BRACKET ADAPTER BANDS APPLIANCE RIGID PIPE...
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Page 6: Joint Sealing And Connection Method
Joint Sealing and Connection Method Polyflue rigid single wall pipe is manufactured with a factory installed gasket on the inside of the female (outlet) end making the use of any additional sealant unnecessary. Flexible pipe (female end) will require to field apply a gasket as shown in the flexible section. -
Page 7: Customized Lengths- Cutting Standard Lengths
Customized Lengths— Cutting Standard Lengths The Polyflue system is designed so that standard lengths may be field cut. To custom cut a standard length part: 1. Measure custom length needed keeping in mind the pipe joint overlaps. Push the mating pipes together and pull back as explained in Step 2 of the Joint Connection Section. -
Page 8: Vertical Support
Vertical Support (Wall Straps) For proper installation, Wall Straps (WS) must be installed to support the Polyflue. Fasten using (2) #8 x 1”L (M4.2 x 25mm) wood screw or equal by others) the zero clearance Wall Strap to wood structure (Fig 6) and insert pipe through the hose clamps and draw tight (Fig 7). -
Page 9: Exterior Wall Plate
Exterior Wall Plate If a Wall Plate (WP) is utilized, mount it to the exterior of the building and underneath the siding, if relevant. Seal around it as necessary Vertical Terminations It is recommended to use Polyflue UV rated pipe that is exposed to the outdoors. Maintain at least 12” (305mm) above the highest anticipated snow level. -
Page 10: Flexible Pipe Installations
Flexible Pipe Installations (Do NOT Stretch Out – Already stretched) Flexible Polyflue (FLEXROLL) can only be utilized in a vertical application (unused existing masonry chimney or B-vent re-line, or continuous length in a combustible enclosure at 0” (0mm) clearance). It is allowed to be offset from vertical at a maximum of 45°... - Page 11 Bump Protrusion Figure 18 Groove Figure 19 Figure 20 Connecting TO rigid pipe in the direction of flue gases (required before passing thru a roof flashing) 1. Place flexible gasket as shown previously (Fig 15) into gasket groove. 2. Position Locking Band (LB) or Wall Strap (WS) (required just before exiting roof) onto upper rigid pipe section (UV rated if passing through the roof) and slide the lower hose clamp onto the female-cut flexible pipe, in between the twist lock groove and the gasket groove as shown below (Fig 21).
- Page 12 Figure 22 Figure 21 Figure 23 Flexible in Unused, Existing Masonry Chimney (FLEXROLL & FLEX-KIT) 1. Measure distance needed from top of masonry to desired opening in appliance room. Add additional distance needed for termination above the masonry, per local code, as a UV rated Polyflue rigid pipe will also be used at the top to pass thru the rubber boot flashing with aluminum base.
- Page 13 Install Flex Spacer approximately every 7 feet (2.1m) starting at the very top corrugation of the flexible pipe Figure 25 Figure 24 Flexible in Unused Existing Type B Gas Vent or Metal Chimney (single appliance) Installing per a maximum 30° offset from vertical: 2”...
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Page 14: Appliance Connectors
Figure 27 Figure 26 Appliance Connectors Polyflue uses stainless adapters. One common adapter is a PVC-PF, which is PVC/CPVC OD equivalent at the appliance interface (Fig 28). For any direct connect appliance adapter immediately transitioning to Polyflue, simply seal the interface of the adapter to the appliance outlet with red silicone (7000RTV). The Locking Band hose clamps (PF-LB / 4PF-LB / or field sourced) can be dismantled and used, additionally, to help secure the Polyflue pipe or stainless adapters to the appliance flue collar. - Page 15 Frequently inspect your terminations for foreign objects and remove them. Also inspect for wear and replace them as necessary © Copyright 2016 Selkirk Corp. 5030 Corporate Exchange Blvd Polyflue is a trademark of Selkirk Corp. Grand Rapids, MI 49512 ULC and the ULC Mark are registered trademarks of Call: 800-992-8368 Underwriters Laboratories, Inc.
- Page 16 NOTES:...
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