Bosch Appliances GWH 2400 ES NG, GWH 2400 ES LP manual Limited Warranty

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Limited Warranty

14 Limited Warranty

General

Aquastar water heaters are warranted by the

Manufacturer (BOSCH) through Bosch thermotechnology corporation.

Bosch thermotechnology corporation 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 thermotechnology corporation 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 twelve (12) years after the original installation and operation, Bosch thermotechnology corporation will furnish a replacement heat exchanger. However, if the water heater is in an approved domestic hot water recirculation application, this heat exchanger warranty is limited to five (5) years from date of original installation and operation. 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.

Exceptions

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.

•6. to damage resulting from scale deposits and/or highly mineralized / unsoftened water supply.

All Other Parts

If any other part fails within two (2) years after original installation and operation, Bosch thermotechnology corporation will furnish a replacement part free of charge.

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. 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.

NOTE: the water heater must be free of

idamaging 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 or distributor:

BOSCH THERMOTECHNOLOGY CORPORATION

Bosch Water Heating

340 Mad River Park

Waitsfield, VT 05673

TEL. 800-642-3111

www.boschhotwater.com

In most cases, the dealer or distributor will be able to promptly honor your claim and subsequently notify Bosch thermotechnology corporation. However, all replacements are made subject to validation by Bosch thermotechnology corporation of in-warranty coverage. The damaged or defective item must be made available in exchange for the replacement.

Miscellaneous

No one is authorized to make any other warranties on behalf of Bosch thermotechnology corporation. It is expressly understood that the replacement warranty of Bosch thermotechnology corporation 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 thermotechnology corporation 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 thermotechnology corporation 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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Contents What to do if you smell gas Intended for variable flow applicationsIndex FCC For your safetyGWH 2400 ES Specifications Technical data FeaturesAppliance details Unpacking the GWH 2400 ES heater General rules to follow for safe operation To remove combustion cover service onlyAppliance details To remove front cover Dimensions Dimensions and Minimum installation clearancesVenting Installation instructionsTools required for installation IntroductionFittings or Piping Equivalent Feet Vent Safety SystemDescription Minimum distance Installation instructions Venting configuration examples Room sealed installation Twin Pipe System Installation instructions Condensate drain requirementsVenting Flex ProTech Heat Fab Exhaust Determining installation adjustmentInstallation instructions Vent connections Twin pipe Combustion air requirementsHeater placement and clearances Proper location for installing your heaterMounting installation Gas piping & connections GAS Connections For Natural GAS Water quality Water connectionsRecirculation application Recirculation applicationMeasuring gas pressure Electrical connections Electrical power supplyPosition of the fuses in control unit LCD Display functions Operation instructionsPower For your safety read before operating your water heaterTemperature selection Program button Use of optional remote control accessory part no. TSTAT2Reset button OperationWinterizing for seasonal use Maintenance and serviceAnnual maintenance table Every year Annual maintenanceDescaling using a pump Adjusting CO2 carbon dioxideMineral scale build-up Once Gas Pressure is adequate Measuring CO2 combustion cover must be installedAdjusting CO2 Returning to Service% 2.8 % 60 ppm Final ReadingsProgram values Program Description Factory DefaultComment Diagnostic menu Control board diagnosticsExample Fan speed adjustmentTotal vent length calculation IntakeMode Pipe Length1 Fan speed Maintenance and service To select fan speedWater is not hot enough TroubleshootingTroubleshooting Water is too hotLow water flow/pressure Hot water temperature fluctuates at tapNoisy burner/heater during operation Troubleshooting Error code diagnostics Problem solvingVenting may cause this failure Problem solving Display Cause SolutionOver-temperature detected by No flame ionization detected with Electrical diagram Electrical diagramSensor resistance charts Back Flow characteristics Functional scheme GWH 2400 ES Functional schemeInterior components diagram and parts list Interior components diagram and parts listInterior components Appliance overview Item Description Components diagramGroup Description ReferenceInterior components diagram and parts list Group Interior components diagram and parts list Group Interior components diagram and parts list Group Interior components diagram and parts list Group 708 300 Components Protecting the environmentProtecting the environment PackingLimited Warranty Bosch Thermotechnology Corporation

GWH 2400 ES NG, GWH 2400 ES LP specifications

Bosch Appliances has established a reputation for delivering high-quality and innovative home solutions, and the Bosch GWH 2400 ES LP and GWH 2400 ES NG are no exceptions. These high-efficiency water heaters are designed to provide on-demand hot water, ensuring comfort and convenience for your home.

One of the standout features of the Bosch GWH 2400 ES LP (Liquid Propane) and GWH 2400 ES NG (Natural Gas) models is their compact, space-saving design. These tankless water heaters are engineered to fit in smaller spaces, making them an ideal choice for homes with limited installation areas. Despite their compact size, both models provides a powerful performance that meets the hot water needs for multiple fixtures simultaneously, such as showers, faucets, and washing machines.

These water heaters are equipped with advanced technology that enables precise temperature control. The Bosch GWH 2400 ES series utilizes a microprocessor-based control system that allows for consistent water heating, ensuring the water temperature remains stable even during high demand. The modulating gas valve further optimizes energy consumption, adjusting the flame intensity to meet the exact heating needs, thus enhancing efficiency.

In terms of safety, both the GWH 2400 ES LP and NG come with multiple safety features. These include a flame failure safeguard, overheating protection, and a built-in freeze protection system. Such features ensure both peace of mind and the longevity of the unit.

Installation is straightforward with these models, as they can be vented using standard venting materials, saving time and costs. Additionally, the units boast a low NOx emissions rating, making them environmentally friendly choices that help homeowners reduce their carbon footprint.

Maintenance is minimal, thanks to the corrosion-resistant heat exchanger which ensures durability and long service life under normal operating conditions. This factor, combined with Bosch’s renowned commitment to quality, makes these models a reliable investment for any household.

Whether you opt for the GWH 2400 ES LP or the GWH 2400 ES NG, you will experience the benefits of a powerful, efficient, and safe water heating solution tailored to your specific household needs. Bosch has truly combined technology, sustainability, and user comfort in these innovative models, solidifying their place as leaders in the home appliance market.
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