Balanced combusion system – Bock Water heaters Sidewall Vented Oil & Gas Water Heaters User Manual
Page 2
www.bockwaterheaters.com
110 South Dickinson Street , Madison, Wisconsin 53703
Toll Free 800.794.2491
•
Phone 608.257.2225
●
Fax 608.257.5304
80023 Rev 2/08
*Nipple not included
**Optional setting, consult factory
***Weight includes burner and controls
T&P Valve: Factory Installed
Drain Valve: Factory Installed Brass Valve
Standard Voltage (all): 120V, 60 Hz, 1P
Pressures (all): Working Pressure, 150 psi; Testing Pressure, 300 psi
ASHRAE: All Bock Products Meet or Exceed Current ASHRAE Standards.
Warning: Do not install on combustible flooring. Installation should be in accordance with all national and/or local codes. In the absence of local
codes, refer to NFPA 54, NFPA 31 or ANSI Z.21.10.1.
Caution: The recommended maximum hot water termperature setting for normal residential use is 120°F. Bock recommends a tempering valve or
anti-scald valve be installed and used according to the manufacturer’s directions to prevent scalding.
(on selected models)
Balanced
Combusion
System
™
Outlet
Outlet
Inlet
T&P
Relief
Valve
D
C
B
E
A
Drain
Valve/
Return
Aquastat
Connection
Outlet
Outlet
Inlet
T&P
Relief
Valve
D
C
B
E
A
Drain
Valve/
Return
Aquastat
Connection
Outlet
Outlet
T&P
Relief
Valve
C
B
E
A
Drain
Valve/
Return
Aquastat
Connection
Inlet
Outlet
Outlet
Inlet
T&P
Relief
Valve
D
C
B
E
A
Drain
Valve/
Return
Aquastat
Connection
Hand-Hole
Inlet
20e-BCS
32E/PG-BCS, 51E/PG-BCS 40E/PG-BCS
120E/PG-BCS, 190E/PG-BCS
Model
Storage
(gal)
Rated Input
Recovery
@ ∆ 90°F
(GPH)
Max. Temp
Setting
(°F)
Inlet
Pipe
Dia.
Outlet
Pipe
Dia.
Return
Pipe
Dia.
Dimensions
Shipping
Weight
(lbs)***
BTH/HR GPH
A
B
C
D
E
Oil
20e-BCS
20
60,000
0.43
66
160
3/4”
3/4”
3/4”
38 1/4”
20”
6”
11”
14 3/4”
210
32E-BCS
32
104,000
0.75
114
160
3/4”
3/4”
3/4”
51”
20”
6”
11”
17”
312
40E-BCS
40
126,000
0.90
136
160
3/4”
3/4”
1”
61”
20”
6”
N/A
18”
344
51E-BCS
50
152,000
1.10
161
160**
1”
1”
3/4”
59”
24”
6”
11”
18”
370
120E-BCS
113
155,000
1.10
163
180
1”
2”**
2”**
67”
31 1/2”
6”
19”
22”
751
190E-BCS
113
190,000
1.35
199
180
1”
2”**
2”**
67”
31 1/2”
6”
19”
22”
751
Gas
32PG-BCS
32
104,000
-
110
160
3/4”
3/4”
3/4”
51”
20”
6”
11”
17”
312
40PG-BCS
40
126,000
-
134
160
3/4”
3/4”
1”
61”
20”
6”
N/A
18”
341
51PG-BCS
50
152,000
-
159
160**
1”
1”
3/4”
59”
24”
6”
11”
18”
370
120PG-BCS
113
155,000
-
160
180
1”
2”**
2”**
67”
31 1/2”
6”
19”
22”
749
190PG-BCS
113
190,000
-
191
180
1”
2”**
2”**
67”
31 1/2”
6”
19”
22”
749
80023.indd 2
5/20/2008 2:24:28 PM