Bock Water heaters High Efficiency Condensing Gas Water Heaters Leaflet
www.bockwaterheaters.com
110 South Dickinson Street , Madison, Wisconsin 53703
Toll Free 800.794.2491
•
Phone 608.257.2225
●
Fax 608.257.5304
80027 Rev 6/08
T&P Valve: Factory Installed
Brass Drain Valve: Factory Installed
Dielectric Fittings: Factory Installed
Magnesium Anode Rods: Factory Installed
Pressures (all): Working Pressure, 150 psi; Tested Pressure, 300 psi
AMP Draw Range: = 1.0 to 1.8 amps and 7.0 amps for 100HEC-399;
115V A.C. required
Warning: Installation on hard surface only. 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.
NOTE: Diagrams are for both the 60 and 100 gallon models
¾” NPT Gas Inlet
1" NPT Space
Heating Outlet
1" NPT Space
1" NPT Space
Heating Return
1 ½"NPT Inlet
3" PVC Exhaust
3” PVC Air Inlet
G E
B
D
3" PVC
Exhaust
½” NPT
Condensate
Connection
F
A
C
H
T & P Valve
Cleanout
Drain
B -
28 ¼
Gas Inlet
Exhaust
Air Intake
2 3⁄8”
8 ¼
8 ¼
T & P Valve
1 ½” NPT
Outlet
Determining required vent length
1. Determine the total length of straight vent pipe (in feet) required for both the intake
and the exhaust.
2. Add 5 feet of venting for every 90° elbow.
3. Add 21/2 feet of venting for every 45° elbow.
4. Total vent length cannot exceed "Max Length" in the above chart.
5. Air intake cannot exceed exhaust by more than 30 feet in any venting situation.
Do not include the 3" exhaust elbow or vent terminals in determining maximum
vent length.
Energy Saver
H
igh
E
fficiency
C
ondensing
Gas Water Heaters
This product is available from:
MODEL
NUMBER
DIMENSIONS IN INCHES
A
HT.
B
DIA.
C
HOT
OUT
D
COLD
IN
E
GAS
CONN.
F
FL. TO
VENT
OUTLET
G
FL. TO
AIR
INTAKE
H
FL. TO
T&P
VALVE
WATER
CONN.
DIA.
60 Gallon Models
57
28 1/4
42
13
53 1/2
5
52 1/2
40
1 1/2
100 Gallon Models 77 5/8
28 1/4
63
13
74 3/4
5
74.75
60
1.5
MODEL
NUMBER
STORAGE
(GAL)
RATED
INPUT
(BTUH)
THERMAL
EFF %
1ST HR
DEL GAL.
@ 100° F
RISE
RECOVERY GPH @
DEGREE RISE
MAX 3”
PVC,
ABS &
CPVC
MAX 4”
PVC,
ABS &
CPVC
SHIPPING
WT (LBS)
40° F
100° F 140° F
60HEC-125
60
125,000
96.0%
187
364
145
104
120 ft
170 ft
570
60HEC-150
60
150,000
93.0%
211
423
169
121
100 ft
150 ft
570
60HEC-199
60
199,999
92.0%
265
558
223
159
80 ft
130 ft
900
100HEC-150
100
150,000
99.1%
250
450
180
129
120 ft
170 ft
900
100HEC-199
100
199,999
98.5%
309
597
239
171
100 ft
150 ft
900
100HEC-250
100
250,000
97.0%
364
735
294
210
80 ft
130 ft
900
100HEC-300
100
300,000
92.0%
405
836
335
239
60 ft
110 ft
900
100-HEC-399
100
399,999
93.0%
521
1127
451
322
50 ft
100 ft
900