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Series 24 Specifications
BURNER HEATING WATER BOILER WEIGHT
NET I=B=R RATING INPUT SURFACE NET
PRESSURE
CONTENT w/ WATER
GROSS (SQ. FT.) FIREBOX IN (GAL.) (LBS.) VENT
BOILER HORSE- OUTPUT SQ. FT. MBH MBH OIL GAS VOLUME FIREBOX DIA.
MODEL POWER (MBH) STEAM STEAM WATER (GPH) (MBH) STEAM WATER (CU. FT.) (“W.C.”) STEAM WATER STEAM WATER (IN.)
24-03 10.2 342 1071 257 297 3.05 438 34.2 37.0 3.2 .33 44.5 66.0 1439 1618 7
24-04 14.1 471 1471 353 410 4.10 594 48.6 54.3 4.8 .38 53.0 75.0 1811 1995 7
24-05 18.9 634 1983 476 551 5.50 792 63.0 71.5 6.4 .31 61.5 84.0 2184 2372 8
24-06 23.8 797 2492 598 693 6.90 990 77.5 88.8 7.9 .38 70.0 93.0 2557 2749 8
24-07 28.0 937 2929 703 815 8.10 1174 91.9 106.0 9.5 .36 78.5 102.0 2930 3126 8
24-08 32.5 1087 3396 815 945 9.40 1358 106.3 123.3 11.0 .35 87.0 111.0 3303 3503 10
24-09 39.3 1316 4146 995 1148 11.40 1641 120.7 140.5 12.6 .35 95.5 120.0 3676 3880 10
24-10 45.0 1505 4788 1149 1309 13.00 1867 135.1 157.8 14.2 .40 104.0 129.0 4048 4257 10
24-11 50.5 1690 5429 1303 1470 14.60 2093 149.5 175.0 15.7 .45 112.5 138.0 4421 4634 12
24-12 55.3 1852 5983 1436 1610 16.00 2320 164.0 192.3 17.3 .49 121.0 147.0 4794 5011 12
Since 1949, homeowners have depended on us
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3633 I Street, P.O. Box 14818
Philadelphia, PA 19134
Phone: (215) 535-8900 Fax: (215) 535-9736
www.crownboiler.com
Commercial Hot Water or Steam BoilerCommercial Hot Water or Steam Boiler
Beckett Gas Burners (Natural Gas)
Min. Inlet Gas
Boiler Burner Rate STD. Motor Pressure Train
Model Model Control Voltage H.P. (in W.C.) Size
24-03 CG10.1S On/Off 120/60/1 1/3 3.2 1”
24-04 CG10.4S On/Off 120/60/1 1/3 3.6 1”
24-05 CG10.5S On/Off 120/60/1 1/3 4.3 1-1/4”
24-06 CG10.6S On/Off 120/60/1 1/3 4.4 1-1/2”
24-07 CG15.3S Lo/Hi/Lo 120/60/1 1/2 4.0 1-1/2”
24-08 CG15.4S Lo/Hi/Lo 120/60/1 1/2 4.4 1-1/2”
24-09 CG25.2S Lo/Hi/Lo 120/60/1 3/4 4.3 1-1/2”
24-10 CG25.3S Lo/Hi/Lo 120/60/1 3/4 4.9 1-1/2”
24-11 CG25.4S Lo/Hi/Lo 120/60/1 3/4 4.9 1-1/2”
24-12 CG50.2S Lo/Hi/Lo 208-240/60/1 2 3.9 1-1/2”
Minimum gas pressures shown are for standard burners only.
See manual for minimum gas pressure when other size gas trains are used.
Beckett Oil Burners
Boiler Burner Rate STD. Motor
Model Model Control Voltage H.P.
24-03 CF500 On/Off 120/60/1 1/3
24-04 CF800 On/Off 120/60/1 1/3
24-05 CF800 On/Off 120/60/1 1/3
24-06 CF1400 Lo/Hi/Lo 120/60/1 1/2
24-07 CF1400 Lo/Hi/Lo 120/60/1 1/2
24-08 CF1400 Lo/Hi/Lo 120/60/1 1/2
24-09 CF2300A Lo/Hi/Lo 120/60/1 3/4
24-10 CF2300A Lo/Hi/Lo 120/60/1 3/4
24-11 CF2500 Lo/Hi/Lo 240/60/1 2
24-12 CF2500 Lo/Hi/Lo 240/60/1 2
S24-12/05 (25M)
PN980521
AVAILABLE FROM
Notes:
1. Trim suffix S = Steam Boiler W = Water Boiler
Fuel suffix
N = Natural Gas O = Oil
2. I=B=R net ratings shown are based on piping and pick-up allowances which vary from 1.333 to 1.289 for steam and 1.15 for water. Consult manufacturer for installations having unusual piping and pick-up
requirements, such as intermittent system operation, extensive piping systems, etc. The I=B=R burner capacity in GPH is based on oil having a heat value of 140,000 BTU per gallon.
3. Firebox volume does not include added volume of 8” extended burner mounting plate (BMP). If 8” BMP is specified (refer to Figure 1), add 0.7 cu. ft. to volume listed above.
4. Boiler ratings are based on 12.5% CO2 (oil) and 9.7% CO2 (natural gas), + .10” (inches) water column pressure at boiler flue outlet. Ratings shown above apply at altitudes up to 1000 feet on oil and 2,000
feet on gas. For altitudes above those indicated, the ratings should be reduced at the rate of 4% for each 1000 feet above sea level.
Maximum
Allowable Working Pressure: Steam Boiler – 15 PSI, Water Boiler – 50 PSI
Standard Safety (Relief) V
alve Set Pressure: Steam Boiler – 15 PSI, Water Boiler – 30 PSI