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4. WARRANTY
4.1 Warranty in general
If within one year of the original installation date of the tank supplied by A.O. Smith any
part or component other than the tank shall prove upon examination by A.O. Smith, and
in the exclusive opinion of the latter, to be defective in material and/or
workmanship, A.O. Smith will exchange or repair such part or component.
4.2 Warranty of the tank
If within 5 years of the original installation date of the tank supplied by A.O. Smith, the
tank shall prove upon examination by A.O. Smith, and in the exclusive opinion of the
latter, to be leaking due to rust or corrosion from the waterside, A.O. Smith will supply a
complete new tank of equivalent size and quality on ex factory basis. On the replacement
tank a warranty will be granted sufficient to cover the not expired portion of the original
5 year warranty of the originally installed water heater.
WARNING: the warranty period will be reduced to 1 year from the original installation
date, if unfiltered or water softened to less than 70 ppm flows through or remains in the
tank.
4.3 Conditions for installation and use
The warranty ensuing from sections 4.1 and 4.2 will only be valid, if the following
conditions have been met:
a. The tank is installed in accordance with A.O. Smith’s installation instructions for
that specific model, as well as the local installation and building regulations, and
all relevant rules and regulations imposed by the authorities.
b. The tank remains installed in the original installation location.
c. Exclusively potable water, free to circulate at all times, is used (for heating salty
or corrosive water a separately installed heat exchanger is mandatory).
d. The tank is free of damaging scale deposits, due to periodic maintenance;
e. The water pressure and/or water temperature does not exceed the maximum
values stated on the water heater’s type plate and /or in this manual.
f. The tank is located in a non-corrosive atmosphere or area.
g. The tank is fitted with an expansion tank or inlet unit that is approved by the
relevant authorities, that is of sufficient capacity, not exceeding the working
pressure rating as indicated on the tank; the tank is possibly also fitted with a
temperature and pressure relief valve that is approved by the relevant authorities,
and that has been fitted in accordance with A.O. Smith’s installation instructions
for that specific water heater model, and furthermore, the local installation and
building regulations, and all relevant rules and regulations imposed by the
authorities.
h. The anodes have been inspected and renewed when worn for 60% or more.
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