Burnham K2WTC Installation, Operating And Service Instructions page 58

VII. Venting
6. Installations using flexible Polyflue (Vent Option 16):
Asphyxiation Hazard. When using Polyflue flex, observe the following precautions:
• Polyflue flex may be damaged by handling at low temperatures. Do not bend, uncoil or attempt to
install if it has been stored at a temperature below 42°F without allowing it to warm to a higher
temperature first.
• Do not bend Polyflue flex more than 45°.
• Instructions below reference the Selkirk Polyflue instruction manual. Not all vent configurations shown
in the Selkirk vent manual are approved for use with this boiler.
Refer to Selkirk Polyflue Instructions for assembly of all flex components including the chimney cap and the adaptor to
rigid Polyflue at the base of the masonry or B vent chimney. In addition, observe the following requirements:
a. Refer to the appropriate Vent option in Table 7.21 for a list of the principle flex components required. Rigid vent pipe by
the same manufacturer will also be required for the run from the boiler to the base of the chimney.
b. Polyflue may not be used in air chase applications.
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G. Assembly of Selkirk Polyflue Vent Systems (continued)
Figure 7.41: Polyflue Pipe Locking Band Installation
WARNING
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