5285 428 - 03
18
Standard Equipment
Burner Alternatives
(continued)
Weishaupt Burners, Linkageless *
1
Boiler model
VD2-
320
380
440
500
560
630
700
780
860
950
1080
No. 2 oil-fired
2-stage
Model
WL40
WM-L10/3
WM-L10/4
L7
No. 2 oil-fired
fully modulating
Model
WM-L10/2
WM-L10/3
RL5
RL7
Natural gas-fired
2-stage
Model
WG40-LN
WM-
G10/2
G10/3-LN
WM-G10/4
G7-LN
Natural gas-fired
fully modulating
Model
WG40-LN
WM-
G10/2
G10/3-LN
WM-G10/4
G7-LN
Propane gas-fired *
2
2-stage
Model
WG40-LN
WM-
G10/2
WM-G10/3
WM-G10/4
G7
Propane gas-fired *
2
fully modulating
Model
WG40-LN
WM-
G10/2
WM-G10/3
WM-G10/4
G7
Combination
fully modulating NG,
2-stage oil
Model
WM-
GL10/1
WM-GL10/2
WM-G10/3
WM-GL20/2
Combination
fully modulating NG,
fully modulating oil
Model
WM-GL10/2
WM-GL10/3
WM-GL20/2
Combination
fully modulating NG,
fully modulating L.P.
Model
WM-
GL10/1
WM-GL10/2
WM-GL10/3
WM-GL10/4
WM-GL20/2
Riello Burners
Boiler model
VD2-
320
380
440
500
560
630
700
780
860
950
1080
No. 2 oil-fired
2-stage
Model RL28/2
RL38/2
RL50/2
RL50/2
RL100/2
No. 2 oil-fired
fully modulating
Model RL28/M RL38/M
RL50/M
RL70/M
RL100/M
Natural gas-fired
fully modulating
Model
RS38/M
RS50/M
RS70/M
RS100/M
Propane gas-fired
fully modulating
Model
RS38/M
RS50/M
RS70/M
RS100/M
Combination
2-stage NG/2-stage oil
full mod. NG/2-stage oil
Model
RLS38
RLS50
-
-
-
-
-
RLS70
RLS100
RLS130
Natural gas-fired
fully modulating, low NOx
Model
RS45/M LN
RS68/M LN
RS120/M LN
*
1
LN behind burner model no. indicates low NOx burner head is standard equipment.
*
2
Please contact Viessmann to quote a propane burner gas train, where less than 14” w.c. gas pressure exists.
Note: The burner charts above have been selected based on a project elevation of <2000 ft. (610 m) ASL.
If the project elevation is >2000 ft. (610 m) ASL, please contact your Viessmann technical representative for
assistance in selecting the boiler/burner combination.
