Bock Water heaters 66W-399 Leaflet

Page of 2
www.bockwaterheaters.com 
110 South Dickinson Street , Madison, Wisconsin 53703 
Toll Free 800.794.2491
Phone 608.257.2225
Fax 608.257.5304
80019 Rev 6/08
To order Natural Gas use an "NA" suffix.  To order LP use an "XA" suffix.
*80% Thermal Efficient
+Low NOx Burner Available
Model 66W-399 Not Available in LP
Model 75HN is not approved for 180 F.  No spark ignition or damper or NSF construction.
These models meet or exceed the Thermal Efficiency and Standby Loss Requirements of ASHRAE 90.1b current standard.
115V A.C. Required
T&P Valve, Brass Drain Valve, Dielectric Fittings, Magnesium Anode Rods:
 Factory Installed
Pressures (all): Working Pressure, 150 psi;  Tested Pressure, 300 psi
Warning:  Installation should be in accordance with all national and/or local codes.  In the absence of local codes, refer to NFPA 54 or ANSI Z21.10.1.
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.
Energy Saver
A
tmospheric
Gas Water Heaters
This product is available from:
MODEL 
NUMBER
STORAGE 
(GAL)
RATED
 INPUT 
(BTU/HR)
1ST HR 
DEL GAL 
@ 100
° F 
RISE
RECOVERY GPH 
@ DEGREE RISE
DIMENSIONS (INCHES)
SHIPPING WEIGHT
HEIGHT
DIA.
TOP 
WATER 
CONN.
F&R 
HOT 
CONN.
F&R 
COLD 
CONN.
GAS 
CONN.
TOP 
VENT 
HEIGHT
VENT 
DIA.
WATER 
CONN.
STD 
(LBS)
ASME 
(LBS)
40
° F 100° F 140° F
  75HN+
75
76,000
130
N/A
82
N/A
60-1/4
26
61-1/4
-
-
16-1/2
63-3/4
4
1
264
-
  80W-199SD*+
80
199,999
250
485
194
139
64-1/2
28-1/4
66-1/4
56
19-1/2
4-3/4
72-6/2
6
1-1/2
540
-
  100W-199SD*+
98
199,999
263
485
194
139
75-1/2
28-1/4
77-1/4
67
19-1/2
4-3/4
83-3/8
6
1-1/2
610
-
  80W-250SD*+
80
250,000
298
606
242
173
64-1/2
28-1/4
66-1/4
56
19-1/2
4-3/4
72-6/2
6
1-1/2
540
590
  100W-250SD*+
98
250,000
311
606
242
173
75-1/2
28-1/4
77-1/4
67
19-1/2
4-3/4
83-3/8
6
1-1/2
610
690
  75W-300SD*+
75
300,000
344
727
291
208
64-1/2
28-1/4
-
54-1/4
29
10-1/2
72-7/8
7
1-1/2
590
645
  66W-370SD*+
65
370,000
897
897
359
256
64-1/2
28-1/4
-
54-1/4
29
10-1/2
73-3/8
8
1-1/2
665
720
  66W-399SD*+
65
399,999
424
970
388
277
64-1/2
28-1/4
-
54-1/4
29
10-1/2
73-3/8
8
1-1/2
665
720
  80W-425SD*
80
425,000
468
1030
412
294
75-1/2
28-1/4
-
64-1/4
29
10-1/2
82-3/4
10
1-1/2
750
800
  80W-505SD*
80
505,000
527
1178
471
337
75-1/2
28-1/4
-
64-1/4
29
10-1/2
82-3/4
10
1-1/2
750
800
  66W-625SD*
65
625,000
651
1515
606
433
69-3/8
28-1/4
-
54-1/8
28-7/8
10-1/2
68-7/8
8
1-1/2
720
775
  80W-725SD*
80
725,000
759
1757
703
502
79-5/8
28-1/4
-
64-1/4
28-1/2
10-1/2
79-1/8
8
1-1/2
800
880
  LOW PROFILE MODELS
  100W-270SD*+
100
270,000
332
655
262
187
65
30-1/4
67
56-1/2
23-1/2
4-1/2
75
6
1-1/2
725
765
  100W-300SD*+
100
300,000
361
727
291
208
65
30-1/4
67
56-1/2
23-1/2
4-1/2
75-5/8
7
1-1/2
725
765
  80W-450SD*
80
450,000
492
1091
436
312
60
30-1/4
-
51-1/2
23-1/2
10-1/2
69-3/8
10
1-1/2
800
835
  80W-500SD
80
505,000
545
1224
489
350
60
30-1/4
-
51-1/2
23-1/2
10-1/2
69-3/8
10
1-1/2
800
835
 Propane Gas Inputs (LP)
1ST HR. 
DEL GAL. 
@ 100° F 
RISE
RECOVERY GPH @ 
DEGREE RISE
40° F
100° F
140° F
 75W-160SD-XA
155,000 BTUH
199
366
147
105
 80W-199SD-XA
190,000 BTUH
240
461
184
132
 80W-250SD-XA
235,000 BTUH
284
570
228
163
 100W-250SD-XA 235,000 BTUH
297
570
228
163
 80W-399SD-XA
375,000 BTUH
420
909
364
260
 80W-450SD-XA
425,000 BTUH
468
1030
412
294
 80W-505SD-XA
475,000 BTUH
517
1152
461
329
H
E
COLD
HOT
D
F
B
T & P VALVE
CLEANOUT
A G
F
D
C
E
B
TOP OF BLOWER
H
G
A
 
66W,-370, 399 
            
                   80W180, 199, 250 
 
                     75HN 
 
             
      66W-625SD
 
   75W-300              
 
            100W-199, 250, 270, 300 
 
                         
 
              
      80W-725SD
             80W-399, 425, 450, 500
H
B
E
C
F
COLD
HOT
T & P VALVE
G
A
CLEANOUT
D
K
H
B
**
E
F
TOP VIEW
C
A
D&G
** 75HN =11"