Bock Water heaters High Efficiency Condensing Gas Water Heaters - Manual (Page 2)

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
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