19
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Installation Instructions
901140-00, 01/2021
Innovative Hearth Products
DRT63ST-B Power-Vent Direct-Vent Fireplaces
VENT FIGURES
NOTE:
• Secure Vent
®
components (rigid vent pipe and terminal) are shown in the figures.
• Two 45 degree elbows may be used in place of one 90 degree elbow.
• SV4.5VF (Secure Vent) firestop/spacer must be used anytime vent pipe passes through
a combustible floor or ceiling. SV4.5HF (Secure Vent) firestop/spacer must be used
anytime vent pipe passes through a combustible wall.
NOTICE:
It is important to install horizontal runs
on a steady, (i.e., no “dips”), slightly positive incline
of approximately 1/4" rise-per-foot (20 millimeters
rise-per-meter) horizontal, in a direction away from the
fireplace.
(Slightly smaller rise-per-foot run ratios are
acceptable). Use a carpenter’s level to measure from a
constant surface, and adjust support straps as necessary.
Power Vent
Termination
Horizontal / Inclined Run
Support
Brackets
Building
Support
Framing
SV4.5E90
Elbow
Ceiling
Minimum
Vent Run
Horizontal
10 ft
Exterior
Wall
Power Vent
Termination
Probe Adaptor
(required)
Probe Adaptor
(required)
Fireplace
Floor
Maximum Horizontal
Venting 110 ft
Up to 6 Elbows
Firestop / Spacer
Exterior
Wall
SV4.5L 6 / 12 / 24 / 36 / 48
Vent Sections
Vertical Rise
66 ft max.
4 ft min.
Figure 21 - Typical Power Vent Routing
Venting Can Run Up To
3 ft Below Unit
Flex Adaptor
Cat. No. 87L00
(required, if
using flex)
Flex To Termination Kit
Cat. No. F4502
(required to connect
inner pipe to termina-
tion, if using flex)
Flex To Termination Kit
Cat. No. F4502
(required to connect
inner pipe to termina-
tion, if using flex)
NOTES:
* When using Secure Flex
®
, use ceiling
firestop/spacer SF4.5VF for flex (H2249
[10 pack]).
**When using Secure Flex, use Wall Firestop/
Spacer SF4.5HF5 (H6184).
Power Venting
Maximum Number Of Elbows
-
6
Maximum Feet Of Run
A + B
110 ft
Minimum Horizontal Run
B
10 ft
Minimum Vertical Run
A
Adaptor Plus 4 ft Vertical Vent
(min.) and 90° Elbow
Maximum Vertical Rise
A
66 ft
Minimum Clearance to Combustibles
Vertical Vent Pipe
1" (26 mm)
Horizontal Vent Pipe
Top - 3" (77 mm)
Sides - 1" (26 mm)
Bottom - 1" (26 mm)
Probe Adaptor
(Required)
Flex adapter 87L00
(required if using flex vent)
A
(See Chart)
B
Figure 22 - Power Vent Routing with Probe Adaptor