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14 Quadra-fire • QV32B-A, QV36B-A • 2014-900 Rev. F • 9/06
3
Installing the Fireplace
Step 1. Locating the Fireplace
The following diagram shows space and clearance require-
ments for locating a fireplace within a room.
Minimum Clearances
from the Fireplace to Combustible Materials
Inches mm
Glass Front...................................... 36 ........ 914
Floor .................................................0 ........... 0
Rear ................................................ 1/2 ........ 13
Sides .............................................. 1/2 ........ 13
Top (QV36B-A) ............................. 3 1/4 ....... 83
(QV32B-A) ............................. 1 1/2 ....... 38
Ceiling* ............................................ 31 ........ 787
Clearance Requirements
The top and back of the fireplace are defined by stand-offs.
The minimum clearance to a perpendicular wall extending
past the face of the fireplace is 3 inches (76mm). The back
of the fireplace may be recessed 16 1/4 inches (413mm)
into combustible construction.
For minimum clearances, see the direct vent termination
clearance in Figures 30 and 31.
Minimum Clearances
from the Vent Pipe to Combustible Materials
Inches mm
Vertical Sections. ............. 1 ................ 25
Horizontal Sections
Top..................................... 3 ................ 75
Bottom ............................... 1 ................ 25
Sides ................................. 1 ................ 25
At Wall Firestops
Top..................................... 3 ................ 75
Bottom ............................... 1 ................ 25
Sides ................................. 1 ................ 25
* The clearance to the ceiling is measured from the top
of the unit, excluding the standoffs (see Figure 37).
The distance from the unit to combustible construction is to
be measured from the unit outer wrap surface to the com-
bustible construction, NOT from the screw heads that se-
cure the unit together.
ABC*D*E*
QV36B-A 42” 16 1/4” 31 7/8” 45” 63 3/4”
QV32B-A 37” 16 1/4” 29 3/8” 41 1/2” 58 3/4”
1/2 “ MIN. (13mm)
C
3” MIN. (76mm)
A
B
D
E
Figure 4. Fireplace Dimensions, Locations,
and Space Requirements
Constructing the Fireplace Chase
A chase is a vertical box-like structure built to enclose the
gas fireplace and/or its vent system. Vertical vents that run
on the outside of a building may be, but are not required to
be, installed inside a chase.
CAUTION: TREATMENT OF FIRESTOP SPACERS AND
CONSTRUCTION OF THE CHASE MAY VARY WITH THE
TYPE OF BUILDING. THESE INSTRUCTIONS ARE NOT
SUBSTITUTES FOR THE REQUIREMENTS OF LOCAL
BUILDING CODES. THEREFORE, YOUR LOCAL BUILD-
ING CODES MUST BE CHECKED TO DETERMINE THE
REQUIREMENTS FOR THESE STEPS.
Factory-built fireplace chases should be constructed in the
manner of all outside walls of the home to prevent cold air
drafting problems. The chase should not break the outside
building envelope in any manner.
This means that the walls, ceiling, base plate and cantilever
floor of the chase should be insulated. Vapor and air infiltra-
tion barriers should be installed in the chase as per regional
codes for the rest of the home. Additionally, the inside sur-
faces may be sheetrocked and taped for maximum air tight-
ness.
To further prevent drafts, the firestops should be caulked to
seal gaps. Gas line holes and other openings should be
caulked or stuffed with insulation. If the unit is being in-
stalled on a cement slab, a layer of plywood may be placed
underneath to prevent conducting cold up into the room. Be
sure to include spark arrestors for woodburning units if they
are required.
THE CHASE SHOULD BE CONSTRUCTED SO THAT ALL
CLEARANCES TO THE FIREPLACE ARE MAINTAINED
AS SPECIFIED WITHIN THIS INSTALLERS GUIDE.
*If venting with (2) 90
0
elbows off rear of unit
the dimensions C, D and E will change.