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
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