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To the Installer:
Please attach these instructions
next to the water heater.
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause serious injury
or property damage. Refer to this manual.
For assistance or additional information,
consult a qualified installer or service agency.
WARNING
If the information in these instructions is not
followed exactly, a fire or explosion may result
causing property damage, personal injury or
death.
WARNING
Do not install on combustible flooring.
Install in accordance with all local codes.
In the absence of local codes, refer to ANSI 223.1/
NFPA 54 and/or CSA B149.1.
CAUTION
The recommended temperature for normal
residential use is 120°F. The dial on the aquastat
does not always reflect the out-coming water
temperature and it could occasionally exceed
120°F. Variation in out-coming temperature could
be based on factors including but not limited to
usage patterns and type of installation. Test water
at the tap nearest to the water heater. See page 9
for measuring the out- coming water temperature.
WARNING
Hotter water increases the risk of scald injury.
Before adjusting the water temperature setting,
read this instruction manual. Temperatures
at which injury occurs vary with the person's
age and the length of exposure. The slower
reaction time of children, elderly or physically
or mentally challenged persons increases the
scalding hazard to them. It is recommended that
lower water temperatures be used where these
exposure hazards exist. Households with small
children or invalids may require a temperature
setting less than 120°F to prevent accidental
contact with hot water. To produce less than
120°F, use point-of-use temperature limiting
devices.
23405
To the Consumer:
Please read these and all component
instructions and keep for future reference.
Atmospheric Gas Instruction Manual
Warranty, Registration Card and Parts List are included.
Homeowner: Please remember to return the Registration Card!
If higher water temperature is needed in part
of the water system, automatic temperature
limiting devices must be used on all lines to
water taps.
Flammable vapors may be drawn to this water
heater from other areas of the structure by air
currents. Do not store or use any flammable
liquids in the vicinity of this heater.
Water heater blankets may restrict air flow to
the water heater and cause fire, asphyxiation,
personal injury or death.
Read all instructions thoroughly before
attempting installation or operation of your
water heater. Keep these instructions for future
reference.
Local plumbing and electrical codes must
be followed in the installation of this water
heater. In the absence of a local code use the
UNIFORM PLUMBING CODE and the NFPA
Code. Local codes may supersede instructions
in this installation manual.
These instructions are a guide for the correct
installation of the water heater. The manufac-
turer will not be liable for damages caused by
failure to comply with the installation and
operating instructions outlined on the
following pages.
Installation, testing, and replacement of gas
piping, appliances, or accessories, and repair
and servicing of equipment, shall be performed
only by a qualified agency.
EZ 75-76, EZ 100-76
WARNING
WARNING
THIS MANUAL HAS BEEN PREPARED TO
ACQUAINT YOU WITH THE INSTALLATION,
OPERATION, AND MAINTENANCE OF
YOUR WATER HEATER AND TO PROVIDE
IMPORTANT SAFETY INFORMATION.
FAILURE TO FOLLOW THESE INSTRUCTIONS
OR ALL APPLICABLE BUILDING CODES
AND REGULATIONS VOIDS THE WARRANTY
ON THIS WATER HEATER.
Rev5 3/21

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Summary of Contents for BOCK EzFit EZ 75-76

  • Page 1 To the Installer: To the Consumer: Please attach these instructions Please read these and all component next to the water heater. instructions and keep for future reference. Atmospheric Gas Instruction Manual EZ 75-76, EZ 100-76 Warranty, Registration Card and Parts List are included. Homeowner: Please remember to return the Registration Card! WARNING If higher water temperature is needed in part...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS WARNING Section I: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
  • Page 3: Section I: Specifications

    155°F About 1 second 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. Page 4...
  • Page 4: Section Iii: Pre-Installation

    SECTION II: GENERAL INFORMATION (cont .) SECTION II: GENERAL INFORMATION (cont .) ANODE RODS BACKFLOW PREVENTER (CLOSED SYSTEM) The anode rod is used as a sacrificial element within the volume of the storage tank. The Some local municipal codes and ordinances require the use of these devices on potable purpose of the magnesium anode rod is to protect the inside of the tank against corrosion.
  • Page 5 Copies of the NFPA venting UNCONFINED SPACE tables are also reprinted in the Bock Engineering Manual available from your Bock Represen- tative or by download from www.bockwaterheaters.com. Note: Do not reduce vent size more Unconfined space is defined by NFPA 54 as a space with a volume greater than 50 cubic feet than one size smaller than the vent connector supplied with the heater.
  • Page 6: Section Iv: Installation

    Sweat tubing to matches the gas stated on the rating label. Consult your local gas company or Bock Water an adapter before securing adapter to any fittings on water heaters.
  • Page 7: What To Do If You Smell Gas

    23079 Figure 4: Recommended Water, Gas, Vent Connections Figure x: Recommended Water, Gas, Vent Connections Figure 5: Instructions To Put The Water Heater In Operation BOCK WATER HEATERS, INC. NAME DATE 6.25” x 12.0” DIMENSIONS ARE IN INCHES...
  • Page 8: Section Vi: Maintenance

    8. Snap caps back into place. installation, have a qualified service person adjust the temperature control. Contact Bock for further information if needed. FLUSH THE TANK Figure 6: Approximate Temperature and Dial Setting Relationship Elements in the water such as lime and iron may accumulate in the heater.
  • Page 9: Section Vii: Troubleshooting

    SECTION VI: MAINTENANCE (cont .) SECTION VIII: PARTS LIST INSPECT THE VENTING SYSTEM The vent system should be checked at least once a year for damage and blockage. A draft and combustion test is also recommended. If necessary, the water heater flue may be cleaned with a brush or flexible wire. Before proceeding: 1) Turn the gas valve OFF.
  • Page 10: Section Ix: Warranty

    Bock model available at the time of replacement. If a replacement tank is provided, it will remain warranted under this section as if it were the original tank.
  • Page 11 INDIRECT, AND WHETHER ARISING IN CONTACT OR TORT. Some states do not allow the exclusion of incidental or consequential damages, so the above exclusion may not apply to you. Bock Water Heaters, Inc. • 110 South Dickinson Street • Madison, WI 53703 Telephone 608 -257-2225 • Fax 608 -257- 5304 www.bockwaterheaters.com...

This manual is also suitable for:

Ezfit ez 100-76Ezfit ez 75-76nEzfit ez 100-76n

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