ProSelect Force Steam Gas Boiler Spec Sheet

Technical Information
Fully packaged
Insulated jacket
Pressure limit
15 PSI safety valve
Honeywell gas valve
Hydrolevel probe-type LWCO
Steam pressure gauge
Built-in draft diverter
Flame roll out switch
Blocked vent switch
Vent damper
Drain valve
Additional Standard Features
Model
DImensions (inches)
AFUE%
Input Rate
(MBH)
DOE Heating
Capacity
(MBH)
Net AHRI
Steam
(MBH)
Steam
(Sq. Ft.)
Approx. Shipping
Weight (lbs.)“A” “B” “C”
Flue
Collar
Diameter
FORCESTM03 12-3/4 28” 40-7/16 4 81.9 69 56 42 175 350
FORCESTM04 16 28” 40-7/16 5 82.0 103 84 63 263 420
FORCESTM05 19-1/4 28” 40-7/16 6 82.0 138 113 85 354 485
FORCESTM06 22-1/2 28” 40-7/16 6 82.1 172 142 107 446 555
FORCESTM07 25-3/4 30” 40-7/16 7 82.1 207 171 128 533 620
FORCESTM08 29 30” 40-7/16 7 82.2 241 199 149 621 690
A
S
M
E
H
Ratings shown are for installations at sea level and elevations up to 2,000 feet.
The Net AHRI Steam Ratings shown are based on a piping and pickup allowance of 1.333.
The manufacturer should be consulted before selecting a boiler for installations having unusual piping and
pickup requirements, such as intermittent system operation, extensive piping systems, etc.