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Boiler Ratings and Capacities
1
FIG. 1 - INDOOR BOILERS
BURNER TYPE AFG - OIL CF375 - OIL
AFG W/AIR
INTAKE BOOT
G2T - GAS
RIELLO
40 SERIES - OIL
X 11½ 14 18 13½ 16
7
/
8
Y 8½ 11 15 10½ 13
7
/
16
** Capacity greater than that requiring testing under F.T.C. regulations
Firing rates of 2.00 gph or less use a Beckett Model AFG oil burner. Firing rates over 2.00 gph use a Beckett Model CF375 oil burner. Optional Riello 40 series oil burners also available.
êAs an Energy Star Partner, Dunkirk Radiator Corporation has determined that this product meets the Energy Star guidelines for Energy Efficiency.
MODEL
HEATING
CAPACITY
MBH
NET I=B=R
RATING
MBH
ANNUAL FUEL
UTILIZATION
EFFICIENCY%
STEADY STATE
EFFICIENCY %
NO.
SEC.
FLUE
SIZE
LENGTH
"A"
DIM ENSION
Note 1 Note 2 Note 3
Minimum .45 56 48 87.5 88.22 3 5" 11"
Maximum .90 105 91 82.8 83.19 3 5" 11"
Minimum .60 74 64 87.5 88.23 4 6" 14¼"
Maximum 1.35 159 138 83.3 83.91 4 6" 14¼"
Minimum .75 93 81 87.5 88.23 5 6" 17½"
Maximum 1.70 199 173 83.9 84.63 5 6" 17½"
Minimum 1.05 130 113 87.6 88.24 7 7" 24"
Maximum 2.35 276 240 ** ** 7 7" 24"
Minimum 1.35 167 146 87.6 88.26 9 8" 30½"
Maximum 3.00 353 307 ** ** 9 8" 30½"
MODEL
HEATING
CAPACITY
MBH
NET I=B=R
RATING
MBH
ANNUAL FUEL
UTILIZATION
EFFICIENCY%
STEADY STATE
EFFICIENCY %
NO.
SEC.
FLUE
SIZE
LENGTH
"A"
DIM ENSION
Note 1 Note 2 Note 3
Minimum .50 62 54 87.6 88.40 3 6" 14¼"
Maximum 1.10 129 112 82.9 83.77 3 6" 14¼"
Minimum .65 80 70 87.5 88.35 4 6" 17½"
Maximum 1.45 169 147 83.3 84.24 4 6" 17½"
Minimum .80 99 86 87.5 88.31 5 7" 20¾"
Maximum 1.75 208 182 83.8 84.72 5 7" 20¾"
Minimum .95 117 102 87.5 88.26 6 7" 24"
Maximum 2.10 250 217 84.3 85.20 6 7" 24"
Minimum 1.25 154 134 87.4 88.15 8 8" 30½"
Maximum 2.75 324 282 ** ** 8 8" 30½"
PFO- 6T
PFO- 8T
INDOOR OIL-FIRED HOT WATER BOILERS
RECOM MENDED
FIRING RATES
GPH
PFO- 3T
PFO- 4T
PFO- 5T
PFO-7
PFO-9
MODELS LESS TANKLESS COIL
MODELS WITH TANKLESS COIL
RECOM MENDED
FIRING RATES
GPH
PFO-3
PFO-4
PFO-5