Webster JB Series Installation, Startup, Operation And Maintenance Manual page 9

Model JB2 - Dimensional Data
(Dimensions are +/- 1/4 inch)
6 1/2
Standard Arrangement
19 1/2
Standard Arrangement
W/ Optional Back Mount Control Cabinet
Fuels Burned and Control Systems
- Natural Gas, Propane, Digester or Mixed Gases
- Light #2 through Heavy #6 Fuel Oil
- Low Fire Start, Low-High-Low, Modulating or Micro Modulation
- Control Circuit Requires 120 vac, 60 Hz, Single Phase Voltage Supply
Model JB1 burners are listed by Underwriters Laboratories, Inc. (UL/ULC). Also by the State of Massachusetts Fire
Marshal, City of New York Board of Standards and Appeals, State of Minnesota and can be packaged to meet spe-
cifi c requirements of IRI, FM, GE GAP, NFPA, MIL spec. or other special insurance or local code requirements.
JB Manual
24
10
17 3/4
30 11/16
End View
39 1/4
Elevation
(6000 MBH Maximum Input)
5 5/16
15
19 1/16
19
4
4
14
9 1/8
O.D.
Page 9
28 5/8
9 1/2
Standard Arrangement
Elevation
39 1/4
Inverted Arrangement
Elevation
4
18 1/2
12 1/8
Specifi cation