Table of Contents
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1
Determine water heater location
Table 1A Corrosive Contaminants and Sources
Products to avoid:
Spray cans containing chloro/fluorocarbons
Permanent wave solutions
Chlorinated waxes/cleaners
Chlorine-based swimming pool chemicals
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning solvents
found in household laundry rooms
Adhesives used to fasten building products and other similar
products
Areas likely to have contaminants
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
Furniture refinishing areas and establishments
New building construction
Remodeling areas
Garages with workshops
10
Installation & Service Manual
Flooring and foundation
Flooring
The Shield water heater is approved for installation on
combustible flooring, but must never be installed on carpeting.
Do not install the water heater on carpeting
⚠ WARNING
even if foundation is used. Fire can result,
causing severe personal injury, death, or
substantial property damage.
When local codes require compliance with NSF 5, the heater
must be sealed to the floor with a food grade silicone to prevent
debris and harborage of vermin under the heater.
If flooding is possible, elevate the water heater sufficiently to
prevent water from reaching the water heater.
Remove water heater from wood pallet
1. Remove the sides and the top of the crate.
2. Remove the blocks on the base of the crate to allow for
easier removal.
3. The water heater can then be slid off the base of the crate for
installation.
Do not drop the water heater or bump the
NOTICE
jacket on the floor or pallet. Damage to the
water heater can result.
Prevent combustion air contamination
Install air inlet piping for the Shield water heater as described
in this manual. Do not terminate vent/air in locations that can
allow contamination of combustion air. Refer to Table 1A, for
products and areas which may cause contaminated combustion
air.
⚠ WARNING
Ensure that the combustion air will not
contain any of the contaminants in Table
1A.
Contaminated combustion air will
damage the water heater, resulting in
possible severe personal injury, death or
substantial property damage. Do not pipe
combustion air near a swimming pool, for
example. Also, avoid areas subject to exhaust
fumes from laundry facilities. These areas
will always contain contaminants.
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Troubleshooting
