Burnham K2WT Residential Installation, Operating And Service Instructions page 19

VII. Venting
A. Vent System Design (continued)
Figure 7.3a Figure 7.3b
Figure 7.3c
Figure 7.3: Expansion Loops for CPVC/PVC Pipe
Figure 7.4: Wall Penetration Clearances for PVC Vent Pipe
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