3
FORCE E
Installation, Operating & Service Manual
109444-03 - 12/19
Table 1A: Ratings
Boiler Model Number
Input
1
(MBH) DOE Heating Capacity (MBH) AHRI Net Rating
2
(MBH)
AFUE
FORCE02E
38
32
28
84.0
FORCE03E
68
57
50
84.0
FORCE04E
102
85
74
84.0
FORCE05E
136
114
99
84.0
FORCE06E
170
142
123
84.0
FORCE07E
204
170
148
84.0
FORCE08E
238
199
173
84.0
FORCE09E
272
227
197
84.0
1
Input ratings can be used for elevations up to 2,000 ft. Refer to System Start-up and Checkout section for elevation
above 2,000 ft.
2
The Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1.15. The manufacturer should
be consulted before selecting a boiler for installations having unusual piping and pickup requirements, such as
intermittent operation, extensive piping systems, etc.
Table 1B: Dimensions and Connections
Boiler
Model
Number
No. of
Sections
Depth
(in)
Width
(in)
Height
(in)
Supply
NPT
Return
NPT
Vent
(in)
Gas
NPT
Relief
Valve NPT
Drain
NPT
Maximum
Allowable
Working
Pressure
(PSI)
FORCE02E
2
32
14
40
1-1/4
1-1/4
4
1/2
3/4
3/4
50
FORCE03E
3
32
14
40
1-1/4
1-1/4
4
1/2
3/4
3/4
50
FORCE04E
4
32
16
40
1-1/4
1-1/4
5
1/2
3/4
3/4
50
FORCE05E
5
32
19
40
1-1/4
1-1/4
6
1/2
3/4
3/4
50
FORCE06E
6
32
22
40
1-1/4
1-1/4
6
1/2
3/4
3/4
50
FORCE07E
7
32
25
40
1-1/4
1-1/4
7
3/4
3/4
3/4
50
FORCE08E
8
32
28
40
1-1/4
1-1/4
7
3/4
3/4
3/4
50
FORCE09E
9
32
31
40
1-1/4
1-1/4
8
3/4
3/4
3/4
50
Boiler
Model
Number
Shipping
Weight
(lbs)
Empty
Weight
(lbs)
Shipping
Crate D
(in)
Shipping
Crate W
(in)
Shipping
Crate H
(in)
Water
Content
(gal)
Heat
Exchanger
Surface Area
ft
2
FORCE02E
202
143
39 1/2
26
46
1
3.86
FORCE03E
254
180
39 1/2
26
46
2
7.72
FORCE04E
304
231
39 1/2
26
46
3
11.58
FORCE05E
357
284
39 1/2
26
46
4
15.44
FORCE06E
405
332
39 1/2
26
46
5
19.31
FORCE07E
462
382
39 1/2
35
46
6
23.17
FORCE08E
518
438
39 1/2
35
46
7
27.03
FORCE09E
564
484
39 1/2
35
46
8
30.81
Table 1C: Weights and Volume
1
Specifications
Electrical Requirements: 120 VAC, 60 HZ, 1-ph, less than 12A
