![](/html/2c/2cf7/2cf7d073de4ad16005fae860cd6eb9bc166d654bf5f1a317d2e824143edb92f0/bg1.png)
Commercial Water Heaters
Featuring...
68 to 113 Gallon Capacities
155,000 to 623,000 BTU
Dual Magnesium Anode Rods to Inhibit Corrosion
Standard & ASME Construction
Barometric draft control furnished with all models
Propane gas available on request
Power gas burner with spark ignition,
100% safety shut-o.
80% Thermal Eciency
5-Year Limited Warranty on 71PG-361PG
3-Year Limited Warranty on 541PG
Cobalt-enriched Glass-Lined Tank
Turboflue
heat exchanger
®
Energy-Saving Turbons conduct more
heat into water
Robust single-ue design yields a stronger,
more durable tank
All-American Product
![](/html/2c/2cf7/2cf7d073de4ad16005fae860cd6eb9bc166d654bf5f1a317d2e824143edb92f0/bg2.png)
This product is available from:
Outlet
Auxiliary
Outlet:
71PG-EC
Inlet
T&P
Relief
Va lv e
D
C
B
E
A
Aquastat
Connection
Drain
Valve/
Return
Hand-Hole
Outlet
Auxiliary
Outlet
Inlet
T&P
Relief
Va lv e
D
C
B
E
A
Drain
Va lv e/
Return
Aquastat
Connection
Hand-Hole
Return:
120PG,
190PG,
241PG,
361PG
Outlet
High Limit
Inlet/
Return
T&P
Relief
Va lv e
C
B
E
A
Drain
Va lv e
Aquastat
Connection
Hand-Hole
541PG 72PG, 73PG, 120PG, 71PG
190PG, 241PG, 361PG
Model
Storage
(gal)
Rated
Input
BTUH A B C D E Standard ASME
Recovery
@ ∆ 90°F
(GPH)
Max. Temp
Setting
(°F)
Inlet
Pipe
Dia.
Outlet
Pipe
Dia.
Return
Pipe
Dia.
Dimensions
71PG 68 173,000 170 160** 1” 1 1/2”* 1 1/2” 66” 26” 6” 13 1/2” 22” 478 N/A
72PG 67 199,000 204 160** 1” 1 1/2”* 1 1/2” 58” 28” 8” 16” N/A 543 N/A
73PG 67 242,000 247 180 1” 1 1/2”* 1 1/2” 58” 28” 8” 16” N/A 548 N/A
120PG 113 155,000 160 180 1” 2”* 2” 67” 31 1/2” 6” 19” 22” 749 N/A
190PG 113 190,000 191 180 1” 2”* 2” 67” 31 1/2” 6” 19” 22” 749 N/A
241PG 109 277,000 283 180 1” 2”* 2”* 67” 31 1/2” 8” 19” 22” 901 943
361PG 91 385,000 435 180 1” 2”* 2”* 67” 31 1/2” 9” 23” 26” 1,080 1,116
541PG 83 623,000 627 180 2” 2”* 2”* 66” 34” 10” 22” 30 1/2” 1,313 1,569
No eld conversion kits available.
Maximum inlet gas pressure for natural gas: 10” w.c.; propane: 13” w.c. Minimum inlet gas pressure for natural gas: 4.5” w.c.; propane: 11” w.c.
Burner protrudes 12” - 14” from tank depending on make and model. Contact Bock for burner detail dimensions.
Shipping Weight
(lbs)***
*Nipple not included
**Optional setting, contact factory
***Weight does not include 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 or ANSI Z.21.10.1.
(on selected models)
Caution: The recommended maximum hot water temperature 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.
www.bockwaterheaters.com
110 South Dickinson Street , Madison, Wisconsin 53703
Toll Free 800.794.2491•Phone 608.257.2225●Fax 608.257.5304
80014-C Rev 5/08