Takagi T-H2-DV Installation Manual And Owner's Manual page 22

x
The condensate drain is at atmospheric pressure (non pressurized) and
therefore must be allowed to drain freely with gravity only. Please ensure
that there are no blockages along the condensate drain tube. All portions of
the condensate drain (neutralizer and drain tube) must be at a lower
WARNING
elevation than the T H2 DV/T H2 OS to prevent condensate water from
building up inside the heat exchanger.
x
Condensate cannot be effectively neutralized if the neutralizer elements
inside the TH NT01 have been completely consumed.
Condensate will remain acidic and can possibly cause damage to items such
as pipes, concrete, etc., if drained improperly.
x
The TH NT01 Neutralizer cartridge is designed to last for 3 years before
replacement. However, the actual life of the neutralizer may vary, depending
on the application and usage. Please ensure that the cartridge is properly
replaced before the neutralizer elements have been completely consumed.
x
All preventative measures and safety practices must be adhered to when
draining condensate. TAKAGI will not be responsible for any damage caused
by condensate.
x
A drain pan, or other means of protection against water damage, is required
to be installed under the water heater in case of leaks.
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Installation
If this happens,