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SPECIFICATIONS OF24(R)
Model Number
OF24-105/120
OF24-105/120R
OF24-140/154
OF24-140/154R
Input - Btuh (kW) low/high
105,000 / 120,000 (30.8 / 35.2)
140,000 / 154,000 (41.0 / 45.1)
Output - Btuh (kW) low/high
85,000 / 97,000 (24.9 / 28.4)
113,000 / 125,000 (33.1 / 36.6)
A.F.U.E. (low/high)
81%
Nozzle Rating - gph (L/hr) and spray angle
.65 (2.5) - 80
°
(-105 input)
.75 (2.8) - 80
°
(-120 input)
.85 (3.2) - 80
°
(-140 input)
1.00 (3.8) - 80
°
(-154 input)
Flue Size Diameter - in. (mm)
6 (152)
Temperature Rise -
F (
C)
45 - 75 (25 - 42) (-105 input)
55 - 85 (31 - 47) (-120 input)
50 - 80 (28 - 45) (-140 input)
55-85 (31 - 47) (-154 input)
Oil Burner Pump
1 Stage
Oil Burner Pump Pressure - psig (Pa)
140 (965)
Oil Burner air inlet connection (dia.) - in. (mm)
4 (102)
Motor hp (W)
1/4 (187)
3/4 (560)
Motor pulley - in. (mm)
4 (102)
Blower
Blower wheel nominal diameter
x width - in. (mm)
10 x 8 (254 x 203)
12 x 9 (305 x 229)
Blower
Data
Blower pulley - in. (mm)
7 (178)
Belt size - in. (mm)
41 (1041)
42 (1067)
cfm (L/s) at .20 in. wg. (50 Pa) external static
pressure
1300 (615) (-105 input)
1220 (575) (-120 input)
1750 (825) (-140 input)
1700 (800) (-154 input)
Number and size of filters in. (mm)
(1) 18 x 19 x 1
(457 x 483 x 25)
(1) 19 x 21 x 1
( 483 x 533 x 25)
Shipping weight- - lbs. (kg) 1 package
255 (116)
290 (132)
Electrical Characteristics
115 volts - 60 hertz - 1 phase
Optional Accessories (Must Be Ordered Extra)
Two Stage Oil Pump
65A44
Oil Filter - 10 micron, no mounting bracket
91P89
Oil Filter - 10 micron, with mounting bracket
53P92
Replacement cartridge for above - 10 micron, 45 gph (170 L/h)
53P93
Filter restriction indicator gauge
53P90
Annual Fuel Utilization Efficiency based on U.S. DOE test procedures and FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.
Nozzle must be field provided for field conversion to higher heating input.
