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Minuteman® II Gas-Fired Boiler
AGA
BOILER
INPUT
NUMBER
MBH
(1)
(2)
MMII 4-70
70
MMII 4-105
105
MMII 5-105
105
MMII 5-140
140
1.
If LP gas specify on order. Ratings are the same.
2.
AGA Ratings shown are for installations at sea level and elevations up to 2,000 ft. For eleva
tions above 2,000 ft. A.G.A. ratings should be reduced at the rate of four percent (4%) for
each 1,000 ft. above sea level.
3.
Net I=B=R ratings shown are based on normal I=B=R piping and pick-up allowance of 1.15.
Consult the manufacturer for installations having unusual piping and pick-up requirements
such as intermittent system operation, extensive piping systems, etc.
4.
Maximum equivalent length cannot exceed the sum of the length of straight pipe and the
equivalent length of any elbow used (90° and 45° elbows equal 5 equivalent feet).
5.
The direct vent Minuteman II is designed to vent directly through the wall using Burnham's
approved vent system, 3" AL29-4C® stainless steel pipe. Inlet air can be supplied using 4" 26
gauge galvanized or similar.
Working Pressure: 30 PSI
I=B=R
NET
DOE
WATER
HEATING
RATING
INTERMITTENT
CAPACITY
MBH
MBH
(3)
58
50
84
73
88
77
112
97
DOMESTIC
HOT WATER
MAXIMUM
100° RISE
VENT
LENGTH
DRAW
EQUIV. FT.
GPM
(4) (5)
2.9
70
3.1
70
3.1
70
3.3
70
MAXIMUM
AIR
INLET
LENGTH
EQUIV. FT.
(4) (5)
AFUE%
70
83.3
70
80.2
70
83.3
70
80.1
APPROX.
SHIPPING
WEIGHT
(LBS.)
307
307
345
345
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