John Wood Takagi - 320H-520H - Manual (Page 39)

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5. THIS WARRANTY WILL NOT COVER THE FOLLOWING:
Any product that is not installed by a licensed plumber, gas installer, or contractor.
Damages due to accidents, abuse, misuse, improper installation, misapplication, or incorrect sizing. Damages due to
fires, flooding, freezing, electrical surges, or any Acts of God.
Damages due to unauthorized alterations, attachments, and/or repairs.
Damages due to a lack of maintenance (e.g. water filter, water treatment system, vent blockage, etc.)
Any product installed in an improper environment (e.g. corrosive, dusty, chemically contaminated, excessive lint, etc.)
Freeze damage that occurs without taking proper preventive measures as described in the installation manual
Condensate damage due to improperly installed or lack of a condensate trap (drain).
Any product not installed in compliance with all applicable local & state codes, ordinances, and good trade practices.
Any product sold to or installed in areas outside of Canada.
Any product installed in applications that cause the water heater to activate more than 300 times per day (this averages
to an activation every 5 minutes in a 24-hour period).
Any failures that are not due to defects in materials or workmanship (mechanical and/or electrical parts).
Damages due to improper installation:
Gas: incorrect gas pipe sizing, incorrect gas meter sizing, incorrect gas type, and/or gas pressures that fall outside
the product’s specified range.
Water: incorrect water pipe sizing, water pressures that fall outside the product’s specified range, recirculation flow
rates that fall outside the product’s specified range (air removal), and/or lack of proper methods of air removal in a
closed-loop, circulation system (see installation manual for details).
Electric: supply power voltages that fall outside the product’s specified range.
Damages due to water quality:
Introduction of liquids other than potable water or potable water / glycol mixtures into the product.
Introduction of pool water, spa water, or any chemically treated water into the product
Introduction of hard water measuring more than 7 grains per gallon (120 ppm) for single family domestic applica-
tions or more than 4 grains per gallon (70 ppm) for all other types of applications into the product
Introduction of untreated or poorly treated well water into the product
Introduction of water with pH levels less than 6.5 and greater than 8.5 into the product.
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