Burnham Series 3 Webster Data Sheet
Webster Burner Information
Boiler
Burner
Motor
Firing
Standard UL Flame Safeguard
Gas Train
Size
Model
HP
Voltage
Sequence
[1]
Gas
#2 Oil
Gas/#2 Oil
Size
[2]
Min. Pres.
Max. Pres.
3-40
JB1-05
1/2
120/60/1
L-H-O LFS
RM7897A/UV
R7184A/UV
RM7897C/UV
1
1/2
5" w.c.
28" w.c.
3-50
JB1-07
3/4
120/60/1
L-H-O LFS
RM7897A/UV
R7184A/UV
RM7897C/UV
1
1/2
8" w.c.
28" w.c.
3-60
JB2-07
3/4
120/60/1
L-H-O LFS
RM7897A/UV RM7897C/UV RM7897C/UV
1
1/2
9" w.c.
28" w.c.
3-70
JB2-10
1
240/60/1
L-H-O LFS
RM7897C/UV RM7897C/UV RM7897C/UV
2
6" w.c.
28" w.c.
3-80
JB2-15
1½
240/60/1
L-H-O LFS
RM7897C/UV RM7897C/UV RM7897C/UV
2
8" w.c.
28" w.c.
3-90
JB2-15
1½
230/460/3
L-H-O LFS
RM7897C/UV RM7897C/UV RM7897C/UV
2
10" w.c.
28" w.c.
3-100
JB2-30
3
230/460/3
L-H-O LFS
RM7897C/UV RM7897C/UV RM7897C/UV
2
1/2
9" w.c.
28" w.c.
3-125
JB2-50
5
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
2
1/2
15" w.c.
28" w.c.
3-150
JB3-50
5
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
9" w.c.
28" w.c.
3-175
JB3-75
7½
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
13" w.c.
28" w.c.
3-200
JB3-75
7½
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
16" w.c.
28" w.c.
3-250
JB3-100
10
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
25" w.c.
28" w.c.
3-300
HDRV5-75
7½
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
1.3 psig
10 psig
3-300
HDS5-50A
5
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
30"w.c.
10 psig
3-350
HDRV5-75
7½
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
1.7 psig
10 psig
3-350
HDS5-75A
7½
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
1.75 psig
10 psig
3-400
HDRV5-100
10
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
2
1/2
2.2 psig
10 psig
3-400
HDS5-100B
10
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
2
1/2
2 psig
10 psig
3-500
HDRV7-150
15
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
2
1/2
3.4 psig
10 psig
3-500
HDS5-100B
10
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
2
1/2
2 psig
10 psig
3-600
HDRV7-200
20
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
2.3 psig
10 psig
3-600
HDS7-200B
20
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
3.25 psig
10 psig
3-700
HDS7-250B
20
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
3.0 psig
10 psig
3-800
HDS7-300B
30
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
4.0 psig
10 psig
3-900
HDS9-400C
40
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
4.8 psig
10 psig
3-1000
HDS9-600C
60
230/460/3
Full Mod
RM7840L/UV RM7840L/UV RM7840L/UV
3
6.0 psig
10 psig
[1] Explanation of Firing Sequences:
Gas and Gas Sequence on Combination Gas/Oil Boilers
L-H-O LFS
Low fire start (not proven), high fire run, air control by linkage to motorized gas valve.
Full Mod
Full modulation with proven low fire start, synchronized fuel/air control by modulating motor.
Oil and Oil Sequence on Combination Gas/Oil Boilers
On-Off LFS
Low fire start (not proven), high fire, oil cylinder air control. Reduced input start with by-pass.
Full Mod
Full modulation with proven low fire start, synchronized fuel/air control by modulating motor. With oil metering
valve and oil pressure regulating valve.
valve and oil pressure regulating valve.
[2] Gas trains for 400 hp and larger boilers are Siemens.
9/25/2012
SERIES 3