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E. Measuring Standards
Vertical and horizontal measurements listed in the vent
diagrams were made using the following standards:
• Pipe measurements are shown using the effective length
of pipe. See Section 12.A (Figure 12.1) for information
on effective length of pipe components.
• Horizontal terminations are measured to the outside
mounting surface (flange of termination cap) (see Figure
4.6).
• Vertical terminations are measured to top of last section
of pipe. See Figure 4.7.
• Horizontal pipe installed level with no rise.
Figure 4.6 Measure to Outside Mounting Surface
Figure 4.7. Measure to Top of Last Section of Pipe
MEASURE TO SHADED SURFACE
(OUTSIDE MOUNTING SURFACE)
Heat & Glo • ESC-42ST-IFT Installation Manual • 2464-980 Rev. C • 7/17
F. Vent Diagrams
WARNING! Risk of Fire. This appliance requires a mini-
mum of 24 inches of vertical venting before attaching any
elbow to the appliance. DO NOT attach elbow directly to
the appliance.
General Rules:
• This appliance is approved for use with Hearth & Home
Technologies DVP venting systems ONLY.
• When penetrating a combustible wall, a wall shield
firestop must be installed.
• When penetrating a combustible ceiling, a ceiling firestop
must be installed.
• This appliance requires a minimum of 24 inches of verti-
cal pipe attached directly to the appliance starting collar
before attaching a 90 degree or 45 degree elbow.
• Horizontal termination cap should have a 1/4 inch
downward slant to allow any moisture in cap to be
released. See Figure 4.8.
1/4 in. max.
(6 mm)
Figure 4.8
W
A
L
L
17
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