1. With utility knife, cut the carton all the way
around above the staples on the bottom
tray. Lift the carton off the firebox. Remove
packing. Note: The hood is located in the
packing on the right hand side of the heater
front. Lift the heater off the bottom tray.
2. Check carton contents for the following:
• Screen assembly (2)
• Screen support rod (2)
• Hood
• Hardware and parts bag containing the
following:
Built-in Nailing
Flanges
f i r e - p a r t s . c o m
19
3
/
8
Louvers (Model
FB32CB Only)
Figure 1 - Firebox Front View
16
/
"
11
16
19
/
"
1
4
4
UNpaCkINg
pRoDUCT SpECIFICaTIoNS
Standoffs (Model
FB32NCB Only)
35
/
"
1
16
"
31
/
"
3
4
6
/
"
3
8
22
/
"
1
2
31
5
34
/
"
3
8
35
5
/
Figure 3 - Firebox Top View
www.desatech.com
• Owner's Manual
• Black #10 x 3/8" Phillips screws (2)
• Zinc #10 x 1/2" shouldered hex screws (3)
• Black #10 x 5/8" shouldered hex
screws (2)
If any items are missing, inform dealer
where you bought the firebox.
3. Check heater for any shipping damage.
If heater is damaged call DESA Heat-
ing, LLC at 1-866-672-6040 for replace-
ment parts before returning to dealer.
Standoffs (Models FB32NCB Only)
1
2
/
"
3
4
33
/
11
16
16
/
"
1
4
2
3
/
"
4
Electrical
Access Hole
Figure 2 - Firebox Side View
13
/
" *
1
4
14
/
"
8
"
8
2
1
/
"
4
/
"
1
2
6"
"
32
/
"
3
16
Electrical
Access Hole
with Bushing
/
" *
1
*Note: 14
/
" is total firebox
1
4
4
cavity depth including brick
liner. 13
/
" is depth of flat
1
4
floor including brick liner.
12
/
"
1
2
9
3
/
"
4
4
/
"
5
8
2
/
"
1
2
Gas Line
Access
116662-01G