Bock Water heaters 32PG, 50PG-ES, 51PG, 71PG, 33PG Specification Sheet
...
Residential Water Heaters
PowerGas
Featuring...
32 to 113 Gallon Capacities
104,000 to 173,000 BTU
Cobalt-Enriched Glass-Lined Tank
Dual Magnesium Anode Rods to Inhibit Corrosion
Barometric draft control furnished with all models
Propane gas available on request
Power gas burner with spark ignition,
100% safety shut-o.
5-Year Limited Warranty
Turboflue
heat exchanger
Energy-Saving Turbons conduct more
heat into water
Robust single-ue design yields a stronger,
more durable tank
All-American Product
®
This product is available from:
PowerGas
Outlet
Auxiliary
Outlet:
32PG-EC/BCS,
71PG-EC,
51PG-EC/BCS
Inlet
T&P
Relief
Va lv e
D
C
B
E
A
Drain
Valve/
Return:
32PG,
50PG-ES,
51PG
Aquastat
Connection
Drain
Valve/
Return:
71PG
Hand-Hole:
50PG-ES
Hand-Hole:
71PG
Outlet
Auxiliary
Outlet:
40BCSE
T&P
Relief
Va lve
C
B
E
A
Drain
Valve/
Return
Aquastat
Connection
Inlet
Outlet
Auxiliary
Outlet
Inlet
T&P
Relief
Va lv e
D
C
B
E
A
Drain
Valve/
Return
Aquastat
Connection
Hand-Hole
Return
32PG, 50PG-ES, 51PG, 71PG 33PG, 40PG 120PG
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
32PG 32 104,000 110 160 3/4” 3/4” 3/4” 51” 20” 6” 11” 17” 312 N/A
33PG 33 104,000 109 160 3/4” 3/4” 3/4” 43 1/4” 24” 6” N/A 17 1/4” 318 N/A
40PG 40 126,000 134 160 3/4” 3/4” 1” 61” 20” 6” N/A 18” 341 N/A
50PG-ES 50 140,000 142 160** 1” 1 1/2”* 1 1/2” 52” 26” 6” 13 1/2” 18 1/2” 409 N/A
51PG 50 152,000 159 160** 1” 1” 3/4” 59” 24” 6” 11” 18” 370 N/A
71PG 68 173,000 170 160** 1” 1 1/2”* 1 1/2” 66” 26” 6” 13 1/2” 22” 478 N/A
120PG 113 155,000 160 180 1” 2”* 2” 67” 31 1/2” 6” 19” 22” 749 N/A
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.
*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
Shipping Weight
(lbs)***
110 South Dickinson Street , Madison, Wisconsin 53703
Toll Free 800.794.2491•Phone 608.257.2225●Fax 608.257.5304
80016-R Rev 5/08
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