Burnham Minuteman II Boiler User Manual


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Minuteman® II Gas-Fired Boiler
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
BOILER
NUMBER
(1)
AGA
INPUT
MBH
(2)
DOE
HEATING
CAPACITY
MBH
I=B=R
NET
WATER
RATING
MBH
(3)
DOMESTIC
HOT WATER
100° RISE
INTERMITTENT
DRAW
GPM
MAXIMUM
VENT
LENGTH
EQUIV. FT.
(4) (5)
MAXIMUM
AIR
INLET
LENGTH
EQUIV. FT.
(4) (5)
AFUE%
APPROX.
SHIPPING
WEIGHT
(LBS.)
MMII 4-70
MMII 4-105
MMII 5-105
MMII 5-140
70
105
105
140
58
84
88
112
50
73
77
97
2.9
3.1
3.1
3.3
70
70
70
70
70
70
70
70
83.3
80.2
83.3
80.1
307
307
345
345