John Wood Takagi - 710 - Manual (Page 42)

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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 prac-
tices.
• Any product sold to or installed in areas outside of the fifty states (and the District of Columbia) of the United
States of America and 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 out-
side the product’s specified range.
- Water: incorrect water pipe sizing, water pressures that fall outside the product’s specified range, recircula-
tion 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.