Crown Series 24
The Series 24 is a cast-iron water or steam boiler designed for use with light oil, gas, or a light oil-gas combination. The Series 24 is designed for installation with either a standard chimney or a pressurized vent system. The boiler has a swing-open front door for easy service and inspection.
The Series 24 is available in 10 sizes, with heating capacities ranging from 342,000 to 1,852,000 BTU/hr.
This boiler is easily assembled with draw rods, and all the maintenance access areas are located on the left side, simplifying servicing.
BOILER MODEL | HORSE-POWER | GROSS OUTPUT (MBH) |
NET I=B=R RATING | BURNER INPUT |
HEATING SURFACE (SQ. FT.) |
NET FIREBOX VOLUME (CU. FT.) |
PRESSURE IN FIREBOX (“W.C.”) |
WATER CONTENT (GAL.) |
BOILER WEIGHT w/ WATER (LBS.) |
||||||
SQ. FT. STEAM |
MBH STEAM |
MBH WATER |
OIL (GPH) |
GAS (MBH) |
STEAM | WATER | STEAM | WATER | STEAM | WATER | |||||
24-03 | 10.2 | 342 | 1071 | 257 | 297 | 3.05 | 438 | 34.2 | 37.0 | 3.2 | 0.33 | 44.5 | 66 | 1439 | 1618 |
24-04 | 14.1 | 471 | 1471 | 353 | 410 | 4.10 | 594 | 48.6 | 54.3 | 4.8 | 0.38 | 53.0 | 75 | 1811 | 1995 |
24-05 | 18.9 | 634 | 1983 | 476 | 551 | 5.50 | 792 | 63.0 | 71.5 | 6.4 | 0.31 | 61.5 | 84 | 2184 | 2372 |
24-06 | 23.8 | 797 | 2492 | 598 | 693 | 6.90 | 990 | 77.5 | 88.8 | 7.9 | 0.38 | 70.0 | 93 | 2557 | 2749 |
24-07 | 28.0 | 937 | 2929 | 703 | 815 | 8.10 | 1174 | 91.9 | 106.0 | 9.5 | 0.36 | 78.5 | 102 | 2930 | 3126 |
24-08 | 32.5 | 1087 | 3396 | 815 | 945 | 9.40 | 1358 | 106.3 | 123.3 | 11.0 | 0.35 | 87.0 | 111 | 3303 | 3503 |
24-09 | 39.3 | 1316 | 4146 | 995 | 1148 | 11.40 | 1641 | 120.7 | 140.5 | 12.6 | 0.35 | 95.5 | 120 | 3676 | 3880 |
24-10 | 45.0 | 1505 | 4788 | 1149 | 1309 | 13.00 | 1867 | 135.1 | 157.8 | 14.2 | 0.40 | 104.0 | 129 | 4048 | 4257 |
24-11 | 50.5 | 1690 | 5429 | 1303 | 1470 | 14.60 | 2093 | 149.5 | 175.0 | 15.7 | 0.45 | 112.5 | 138 | 4421 | 4634 |
24-12 | 55.3 | 1852 | 5983 | 1436 | 1610 | 16.00 | 2320 | 164.0 | 192.3 | 17.3 | 0.49 | 121.0 | 147 | 4794 | 5011 |
Type: | Commercial |
Heat Exchanger: | Cast Iron |
Fuel: | Oil, Gas (Natural or LP) |
Input: | Oil: 3.05 – 16.00 GPH Gas: 438 – 2320 MBH |
Combustion Efficiency: | Oil: 84.7% – 86.0% Gas: 82.1% – 82.5% |
Venting: | Chimney or Forced Draft |
Ignition: | N/A |
Trim: | Water or Steam |
Domestic Water: | Optional – Tankless Coil |
Burner: | Beckett |
Configuration: | Knocked Down |