Page 2 Oil-Fired BCS
Storage Capacity (gal.)
BTUH (Thousands)
Firing Rate (GPH)
Hot Outlet
Temperature Rise (F)
OIL-FIRED BCS

Instruction Manual

Return
Cold Inlet
Recovery (GPH)
B
D
20e-BCS 20 60 0.43 3⁄4'' 3⁄4'' 3⁄4'' 90° 66 381⁄4'' 20'' 6'' 11'' 143⁄4'' 120/60 180
32E-BCS 32 104 .75 3⁄4'' 3⁄4'' 1'' 90° 114 51'' 20'' 6'' 11'' 17'' 120/60 265
40E-BCS 40 126 .9 3⁄4'' 3⁄4'' 1'' 90° 136 61'' 20'' 6'' 54'' 18'' 120/60 305
51E-BCS 50 152 1.1 1'' 1'' 1'' 90° 161 59'' 24'' 6'' 11'' 18'' 120/60 345
120E-BCS 113 155 1.1 1'' 2'' 2'' 90° 163 67'' 311⁄2'' 6'' 19'' 22'' 120/60 705
190E-BCS 113 190 1.35 1'' 2'' 2'' 90° 199 67'' 311⁄2'' 6'' 19'' 22'' 120/60 705
Voltage (V/Hz)
Dimensions
A
C
E
HOT OUTLET
C
D
B
AUXILIARY OUTLET
(COMBINED APPLIANCE)
COLD INLET
AQUASTAT
RETURN
A
E
HOT OUTLET
AQUASTAT
B
AUXILIARY OUTLET
(COMBINED APPLIANCE)
20, 32, 51
HIGH LIMIT 120, 190
COLD INLET
RETURN
120, 190
RETURN
20, 32, 51
E
A
C
D
(120, 190 only)

20, 32, 51, 120, 190E-BCS 40E-BCS

Weight (lbs.)
(inc. burner & controls)