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Heatilator • NNXT33-IFT, NNXT33L-IFT, NNXT36-IFT, NNXT36L-IFT Installation Manual • 2628-980 Rev. C • 8/20
Figure 4.10 Measure Horizontal and Vertical Termination
Clearance to Trapezoid Portion of Cap
OVERHANG
C
E
WALL
C and E dimensions are defined in Figure 4.4.