Optima 40 - sb – Archgard 40-DVI40N User Manual
Page 8

Optima 40 - SB
8
CLEARANCES TO COMBUSTIBLES
CAUTION: This appliance is designed for used in any masonry or factory built wood burning 
fireplace. It cannot be enclosed by combustible material and used as a built-in gas fireplace. 
WARNING: Failure to position the parts in accordance with these diagrams or failure to use 
only parts specifically approved with this appliance may result in property damage or personal 
injury or loss of life. 
TOP VIEW
Clearances to Faceplate
3” (76 mm)
3” (76 mm)
Sidewalls or Mantle Supports
Minimum 3” (76 mm) clearance 
is required from the faceplate 
(fireplace surround) to a sidewall 
or mantle support. 
 
See APPLIANCE DIMENSIONS 
for surround sizes. 
SIDE VIEW
Note: With bay window attached 
clearances remain the same. 
6” (152 mm)
Minimum Height
From Bottom of
Applinace: 43-½”
(1105 mm) with a
6” (152 mm) mantle.
Combustible mantle allowed in 
shaded area. Mantle extension may 
be increased 1” (25 mm) for each 
additional 1” (25 mm) increase in 
clearance height. 
Example: If using a 5” (127 mm) 
reduce minimum height to 
42½” (1108 mm). If using a 4” (101 
mm) reduce minimum height to 
41½” (1054 mm) 
¾” (19 mm)
16” (406)
Note: If existing wood fireplace hearth protection is removed it must be replaced by a non-
combustible hearth protection extending 16” (406 mm) from the front of the fireplace insert. The 
new hearth extension MUST be raised ¾” (19 mm) above ANY combustible floor. 
