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Oil-Fired BCS Page 15Page 2 Oil-Fired BCS
Storage Capacity
(gal.)
BTUH
(Thousands)
Firing Rate
(GPH)
Hot Outlet
Temperatur
e Rise (F)
OIL-FIRED BCS
Instruction Manual
Return
Cold Inlet
Recover
y
(GPH)
B
D
32E-BCS 32 104 .75
3
⁄4''
3
⁄4'' 1'' 90° 114 51'' 20'' 6'' 11'' 17'' 120/60 312
40E-BCS
40
126
.9
3
⁄4''
3
⁄4''
1''
90
°
136
61'' 20'' 6'' 54'' 18'' 120/60 344
51E-BCS 50 152 1.1 1'' 1'' 1'' 90° 161 59'' 24'' 6'' 11'' 18'' 120/60 370
120E-BCS 113 155 1.1 1'' 2'' 2'' 90° 163 67'' 31
1
⁄2'' 6'' 19'' 22'' 120/60 751
190E-BCS 113 190 1.35 1'' 2'' 2'' 90° 199 67'' 31
1
⁄2'' 6'' 19'' 22'' 120/60 751
V
oltage
(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)
32, 51
AVERAGER (190 ONLY)
HIGH LIMIT 120, 190
COLD INLET
RETURN
120, 190
RETURN
32, 51
E
A
C
D
32, 51, 120, 190E-BCS
40E-BCS
W
eight
(lbs.)
(inc. burner & controls)
E
XPANSION TANK
(
OPTIONAL)
IF ANY OF THESE DEVICES ARE USED,
A PROPERLY SIZED EXPANSION TANK
MUST BE INSTALLED.
BCS AND SYSTEM PLUS™
System Plus is a combined appliance (space and water heating) based on a Bock high-
efficiency water heater and an air handler (available from various manufacturers) to heat the
entir
e home.
System Plus replaces the traditional furnace, cuts heat loss, and:
n Combines both primary space- and water heating
n Significantly lowers monthly fuel bills
n Creates an even temperature range—won’t dry out room air
n Generates more immediately-available hot water
n Accommodates central air
n Utilizes existing ductwork
n Provides easy access for service
n Features low maintenance
n Extends the life of the water heater
n Reduces equipment costs for new construction projects—no chimney is needed for the
air handler