Requirements Of Existing Fireplace - kozy heat Chaska CSK-31 Installation And Operating Manual

The efficiency rating of this appliance is a product thermal efficiency rating determined under continuous operating
conditions and was determined independently of any installed system.
THIS INSERT IS APPROVED FOR INSTALLATION IN MASONRY AND FACTORY-BUILT SOLID FUEL BURNING FIREPLACES.
CAUTION: THIS APPLIANCE MUST NOT BE CONNECTED TO A CHIMNEY FLUE SERVING A SEPARATE SOLID-FUEL
BURNING APPLIANCE.
THE EXISTING FIREPLACE MUST MEET THE FOLLOWING
REQUIREMENTS:
1. The existing fireplace & chimney must be in clean and in
good working order and constructed of non-combustible
materials.
2. A gas line must be able to be installed to the insert.
3. Any chimney clean-outs must fit properly.
4. Existing Chimney:
Class 'A' metal chimney: 7" minimum inside diameter.
Masonry Chimney: 6" x 8" minimum inside diameter.
Existing chimney height:
To Determine the length of your existing chimney:
A) Remove the chimney cap.
NOTE: It is helpful to have two people complete the next step
in determining chimney height:
B) With one person at the fireplace and the other person at the top
of the chimney, measure from the base of the fireplace to the
top of the chimney. Subtract 19½" for the height of the insert.
This is the total length of co-linear flexible aluminum you will
require.
MEASUREMENT FROM FIREPLACE BASE TO TOP OF CHIMNEY:_____
LESS 19½" (HEIGHT OF FIREPLACE:
TOTAL CHIMNEY LENGTH REQUIRED:
MIN. 12 FT.
MAX. 30 FT.
Minimum: 12 ft.
Maximum: 30 ft.
-19½"
______
5. The minimum inside dimensions of the existing fireplace
must be:
Height: 19 ½"
Front Width: 31"
Depth: 15 ¼"
Width at minimum depth location: 23 13/16"
MINIMUM OPENING DIMENSIONS
NOTE: The refractory / firebrick may be removed to
achieve minimum opening size requirements.
ZERO CLEARANCE FIREPLACE
The floor of the existing fireplace may be removed to
achieve minimum opening size requirements. If this
method is used, the Kozy Heat Floor Protector kit, Part
#CSK-FLP, must be installed to protect any combustible
flooring exposed.
6. MINIMUM CLEARANCES FROM THE INSERT TO
COMBUSTIBLES:
• Insert side to sidewall: 10"
• Insert top to 10" mantel: 13"
• Insert top to 3/4" trim: 8"
• Bottom of insert to combustible floor in front: 3½"
• Bottom of insert underneath to combustible floor
using insulation shield #CSK-FLP: 0"
Page 2
23 13/16"
31"
19 1/2"
15 1/4"
INSTALLATIONS: