
www.desatech.com
901053-01J
2
INSTALLATION
Btu/Hr Input Btu/Hr Input
Minimum
MODEL
DESCRIPTION
Natural Gas Propane Gas Vent Opening
CVSR18
18" Single Burner
50,000
40,000
8" dia.
CPVSR18
18" Single Burner
50,000
40,000
8" dia.
CVSR24
24" Single Burner
60,000
50,000
8" dia.
CPVSR24
24" Single Burner
60,000
50,000
8" dia.
CVDR18
18" Dual Burner
55,000
45,000
8" dia.
MD18
18" Dual Burner
55,000
45,000
8" dia.
CVDR24
24" Dual Burner
65,000
55,000
8" dia.
MD24
24" Dual Burner
65,000
55,000
8" dia.
CVDR30
30" Dual Burner
70,000
60,000
8" dia.
(C)BFL(T,R) 18" Triple Burner
65,000
55,000
8" dia.
(C)BFL(T,R) 24" Triple Burner
70,000
60,000
8" dia.
FUEL PRESSURE
SPECIFICATIONS (W.C.)
Inlet
Manifold*
NG 5.5"-10.5"
3.5"
LP
11"-13"
10"
* ± .2"
CHECK GAS TYPE
You must install this Remote Ready Valve/
Pilot Kit if your gas type is propane/LP. For ad-
ditional convenience and safety, this Remote
Ready Valve/Pilot Kit can be used with natural
gas. If you are unsure of the proper applica-
tion, call dealer where you bought log set.
If the fireplace does not have a gas supply
shutoff valve, one must be installed.
CONNECTING TO GAS SUPPLY
WARNING: This appliance
requires a 1/2" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
Figure 1 - Technical Information Charts
MINIMUM FIREBOX SIZES
FRONT
BACK
MODEL
WIDTH* WIDTH** DEPTH HEIGHT
18DR/SR/MD
28"
16"
14"
18"
24DR/SR/MD 29
3
/
4
"
17"
15
1
/
2
"
18"
30DR
36"
27"
18"
18"
BFL18
28"
16"
15
1
/
2
"
18"
BFL24
30"
22"
15
1
/
2
"
18"
* Add 6" if valve/pilot is used
**At depth indicated
BURNER ORIFICE
NATURAL
PROPANE/LP
LOG SIZE
In. Num. CLR. In. Num. CLR.
18SR/DR/MD
0.129 30 Green 0.073 49
Red
24SR/DR/MD/BFL18 0.141 28 Yellow 0.086 44 Orange
30DR/BFL24
0.157 22 Yellow/ 0.089 43
Black
Blue
WARNING: A qualified service
person must connect log set to gas
supply. Follow all local codes.
CAUTION: Never connect pro-
pane/LP appliance directly to the
propane/LP supply. This appliance
requires an external regulator
(not supplied). Install the external
regulator between the heater and
propane/LP supply.