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Fifteen Year Limited Warranty - Bosch Pro Tankless GWH-450-ES Series Manual

Temperature modulated with electronic ignition - normal duty suitable for recirculating potable water only
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Fifteen Year Limited Warranty

BOSCH PRO water heaters are warranted by the
Manufacturer (BOSCH) through Controlled Energy
Corp. Controlled Energy Corp. (Bosch Water Heating)
will furnish a replacement heat exchanger and will
furnish a replacement of any other part which fails in
normal use and service within the applicable periods
specified below, in accordance with the terms of this
warranty. The Bosch Water Heating replacement will
be warranted for the unexpired portion of the original
warranty. This warranty will be valid only for water
heaters in possession of the original purchaser as
recorded on the warranty card.
The Heat Exchanger
If the heat exchanger fails within fifteen (15) years after
the original installation and operation, Bosch Water
Heating will furnish a replacement heat exchanger.
However, if the water heater is installed in other than a
single family dwelling, this heat exchanger warranty is
limited to two (2) years from date of original installation
and operation.
This warranty will not apply:
• 1. to defects or malfunctions resulting from failure to
properly install, operate or maintain the unit in
accordance with the printed instructions provided;
• 2. to damage or abuse, accident, neglect or freezing
and other acts of nature;
• 3. to damage resulting from operation with either the
flame sensor rod or overheat sensor removed;
• 4. to failure of the heat exchanger resulting from the
operation of the water heater in a corrosive
atmosphere or at water temperatures exceeding the
maximum rating, or if the water heater is not supplied
with potable water;
• 5. to defects or damage cause by any attachment
or modification, including any energy-saving device.
All Other Parts
If any other part fails within three (3) years after original
installation and operation, Bosch Water Heating will
furnish a replacement part free of charge.
Shipping costs
In addition to supplying the replacement part(s), Bosch
Water Heating will provide ground service delivery for
these parts. Expedited or upgraded shipping will be
charged to the customer.
Service Labor Costs
This warranty does not cover any labor costs
associated with service, removal or re-installation of
part(s). All such costs must be borne by the Purchaser.
6 720 607 915
Fifteen Year Limited Warranty
Additionally, this warranty does not cover any labor
costs associated with service, removal or re-installation
of the original water heater or a replaced water heater.
Certain service labor allowances are available to PHCC
member contractors, dependent on prior authorization
by Bosch Water Heating.
NOTE: the water heater must be free of
damaging scale deposits and not subject
to gas pressures greater than those
shown on the rating plate, which must not
be altered, defaced or removed.
How to Make a Claim
Any claim for warranty parts should be made to your
local dealer, distributor or to Bosch Water Heating. If
Bosch Water Heating, please contact the Technical
Support Department:
Controlled Energy Corp.
340 Mad River Park
Waitsfield, VT 05673
Phone: 866-330-2730
In most cases, the dealer or distributor will be able to
promptly honor your claim and subsequently notify
Bosch Water Heating. However, all replacements are
made subject to validation by Bosch Water Heating of
in-warranty coverage. The damaged or defective item
must be made available in exchange for the
No one is authorized to make any other warranties on
behalf of Bosch Water Heating. It is expressly
understood that the replacement warranty of Bosch
Water Heating shall be in lieu of any and all other
warranties, express or implied, including warranties of
merchantability or fitness for a particular use or
purpose, and further that Bosch Water Heating shall
not be liable for any loss or damage directly or indirectly
arising from the use of the hot water heater, or for any
consequential damages arising from such use
(including damages from water leakage). Bosch Water
Heating's sole liability with respect to any defect shall
be for the replacement of the defective part(s). Some
states do not allow such limitations and exclusions, so
the above may not apply to you.
This warranty gives specific legal rights. You may also
have other rights which vary from state to state.



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