Instruction manual

Model
Storage (GAL)
Rated Input
(BTU/HR)
EZ 75-76N 75 76,000 73 133 69.19 65.38 26.00 58.25 14.50 11.00 4.00 1.00 1.00 0.50 391
EZ 100-76N 100 76,000 73 153 69.81 66.00 28.00 57.94 14.50 11.00 4.00 1.00 1.00 0.50 485
Table 1: Dimensions
Page 4 Atmospheric Gas
SECTION I: SPECIFICATIONS
OFF
WARM
V
E
RYH
OT
CAUTION
HOTTERWATER
INCREASESTHE
RISKOF
SCALDING
INJURY
WARNING
READALLINSTRUCTIONSBEFORELIGHTING
OFF
PILOT
ON
Cold
Hot
Anode Rod (2)
Draft Hood
T&P Relief
Valve
Drain
Gas/Temp.
Control
A
E
D
C
F
G
B
Figure 1: All Models
Recovery @ 100
o
F
Rise (GPH)
1st Hr. Delivery @
100
o
F Rise (GAL)
A
B
C
D
E
F
G
Inlet Conn. Dia.
Outlet Conn. Dia.
Gas Conn. Dia.
Shipping Weight
(LBS)
DIMENSIONS (inches)
For LP models change suffix "N" to "LP"
Working Pressure: 150 PSI (1034 kPa)
Test Pressure: 300 PSI (2068kPa)
For natural gas: Manifold pressure = 4" 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. (1.00 kPa); Inlet pressure range 11-14" W.C. (2.74 - 3.49kPa)
T&P valve 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 requirements for operation up to 180°F (82°C).
Approved for use as an automatic circulating tank water heater or automatic storage water heater.
WARNING: Do not install on combustible flooring. Installation shall be in accordance with all national and/or local codes.
In the absense 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.