Solar Gas/Hybrid Commercial Gas Water Heater Specification Sheet

Solar Gas/Hybrid Commercial Gas Water Heater Specification Sheet
Solar/Gas Hybrid
Commercial Water Heater
Solar Thermal water heating with natural gas or propane backup
75 and 100 gallon capacities
120°F to 180°F settable temperature
Self-diagnostic control
1” NPT connections
Glass-fused-to-steel tank interior

insulation
- Does not contribute to global warming
Two magnesium anode rods
Factory installed T&P relief valve
Factory installed brass drain valve
Powder coated steel exterior
Six-year residential/five-year commercial limited
warranty
Solar-Thermal
• Internal coil heat exchanger
• Sensor immersion well
76,000 BTU/h Natural Gas or Propane
• Vertical or horizontal PVC/CPVC/ABS vent
• Zero clearance to combustibles
• Room or outside combustion air
We take water heaters very personally!
Solar/Gas
This product is available from:
Hot (Space heating
supply)
Hot
T&P Relief Valve
C
Gas Backup Temp.
Sensor & ECO
From Solar
Solar Sensor
Immersion Well
A
B
Cold
Anode
Cold
(Space heating
return)
Gas/Temp.
Control
G
D
To Solar
H
Minimum and Maximum Vent and Air Intake Pipe Lengths
(Two-Pipe Terminations)
E
I
F
Model
Pipe Ø
(in)
Minimum Equivalent Pipe
Length (per pipe run)
Air Intake
FT (m)
Vent
FT (m)
Maximum Equivalent Pipe
Length (per pipe run)*
Air Intake
FT (m)
Vent
FT (m)
75-76SKGN
3
5 (1.52)
12 (3.66)
55 (16.76)
55 (16.76)
100-76SKGN
4
5 (1.52)
12 (3.66)
85 (25.91)
85 (25.91)
*Note: For Concentric Terminations, subtract 10 feet from Maximum Equivalent Pipe Length
Equivalent straight pipe length of 90° elbow equals 5 feet.
Model
75-76SKGN
100-76SKGN
Inlet
Conn.
Dia.
NPT
Outlet
Conn.
Dia.
NPT
Aux.
Conn.
Dia.
NPT
Gas
Conn.
Dia.
NPT
18.50
(46.99)
1.00
1.00
1.00
0.50
18.50
(46.99)
1.00
1.00
1.00
0.50
Dimensions Inches (cm)
Storage
GAL
A
B
(L)
73
76.88
67.25
(276.34) (195.26) (170.82)
C
D
E
F
G
H
I
26.00
(66.04)
60.00
(152.40)
28.19
(71.60)
16.00
(40.64)
11.00
(27.94)
43.50
(110.49)
98
76.88
67.25
(370.97) (195.26) (170.82)
28.00
(71.12)
60.00
(152.40)
28.19
(71.60)
16.00
(40.64)
11.00
(27.94)
43.50
(110.49)
Model
75-76SKGN
100-76SKGN
Gas-Fired Only
Recovery
1ST Hr.
@ 77°F
Rated
Del. @
Rise
Input
GAL/HR 77°F Rise
BTU/HR
GAL (L)
(L/HR)
(kW)
76,000
96
155
(22.27)
(363.40)
(586.74)
76,000
(22.27)
96
(363.40)
175
(662.45))
Coil
Volume
GAL (L)
2.76
(10.41)
Coil
Surface
Area
FT2 (m2)
14.14
(1.31)
2.76
(10.41)
14.14
(1.31)
Solar Only
Recovery
Coil
1ST Hr.
@ 77°F
Friction
Del. @
Rise
Loss @ 5
GAL/HR (L/ 77°F Rise
GPM
GAL (L)
HR)
(feet w.c.)
32
98
0.6
(121.13)
(370.97)
32
121
0.6
(121.13)
(458.03)
Shipping
Weight
LBS
(kg)
469
(212.73)
572
(259.45)
B.A.A.
Compliant
For LP models change suffix “N” to “LP”
Working Pressure: 150 PSI (1034 kPa)
Test Pressure: 300 PSI (2068 kPa)
For natural gas: manifold pressure = 4.0” w.c. (1.00 kPa); Inlet pressure range = 5 - 14” w.c. (1.25 - 3.49 kPa)
For propane gas: manifold pressure = 10” w.c. (2.49 kPa); Inlet pressure range = 11 - 14” w.c. (2.74 - 3.49 kPa)
T&P valve factory installed All Bock products meet or exceed current ASHRAE standards
These products are design certified by UL (Underwriters Laboratories) and meet ANSI Z21.10.3/CSA 4.3 requirements for operation up
to 180°F (82°C).
Approved for use as direct vent automatic storage water heater.
Warning: Installation should be in accordance with all national and/or local codes. In the absence of local codes, refer to NFPA 54 and/
or CSA B149.1.
Caution: The recommended maximum hot water temperature setting for normal residential use is 120°F (49°C). 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
Doc# 80025 Rev. 11/13
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