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Heatilator • CNXT4236IT-D, CNXT4842IT-D, CNXT4236IH-D, CNXT4842IH-D • 2360-900 Rev. i • 5/17
E. Vent Diagrams
Top Vent—Horizontal Termination—Two 45º Elbows
Installation requirements to replace the first 90º elbow
with two 45º elbows:
4 ft min.
(1.22 m)
20 ft max.
(6.1 m)
1/4 in. max.
(6 mm)
Figure 7.3
• Horizontal termination cap should have a 1/4 inch
downward slant to allow any moisture in cap to be
released.