Bock Water heaters Gas 120PG-BCS User manual

Sidewall Vented
Oil & Gas Water Heaters
5-Year limited warranty on residential installations
3-Year limited warranty on commercial installations
Featuring Bock’s Legendary
The heat exchanger with
hundreds of turbons to
boost heat transfer --
heating water faster
with less fuel.
20 to 113 Gallon capacities
60,000 to 190,000 BTU
Cobalt-enriched Glass-Lined Tank
Dual Magnesium Anode Rods to Inhibit
Corrosion
Stainless steel concentric sidewall vent for maximum durability and
easy installation. BCS sidewall venting offers these benets:
Air is warmed before entering burner to
improve combustion efciency
Burner operation is unaffected by
room exhaust fans or negative air issues
Corrosive aerosols near water heater
are not drawn into burner
Balanced
Combusion
System
™
80023.indd 1 5/20/2008 2:24:25 PM

www.bockwaterheaters.com
110 South Dickinson Street , Madison, Wisconsin 53703
Toll Free 800.794.2491 • Phone [phone] ● Fax [phone]
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 ooring. 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
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