Bosch Appliances GWH-345/450-ESR-N, GWH-345/450-ESR-L manual Fcc

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Warning

Warning: The recirculating water heater must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures equal to or more than 0.5 psig (14” W.C.).

FCC:

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

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Contents What to do if you smell gas Temperature Modulated with Electronic IgnitionFor your safety IndexIndex FCC Features GWH-345/450-ESR Specifications Technical dataAppliance details GWH-345/450-ESR is not approved or designed for Unpacking the GWH-345/450-ESR heaterAppliance details Water resistant Inlet air restrictorsGeneral rules to follow for safe operation Dimensions Dimensions and minimum installation clearancesInstantaneous water heater direct tank load design ApplicationsIntroduction Pump SizingWater quality PressureInlet Water flow rateMounting installation Installation instructionsProper location for installing your heater Heater placement and clearancesAppliances located in unconfined spaces Combustion air requirementsTwin pipe Single pipe720 607 Vent material and specifications VentingVent lengths Vent material Vent Safety SystemExhaust vent connection Example Installation instructions Selecting inlet air restrictorExhaust IntakeMounting sequence Combustion air inlet connectionRoom sealed installation Twin pipe Installation instructions Condensate drain requirementsHorizontal terminations Vent terminationsInterior masonry chimneys Exterior Masonry Chimney720 607 Description Minimum distance Horizontal side wall venting installation GAS Connections Gas piping & connectionsFor Natural GAS Checking restrictor plate size by measuring CO2 level value Measuring gas pressureElectrical connections Water connectionsOperating instructions For your safety read before operating your water heaterOperating instructions Initial filling instructionsFreeze protection PowerRecirculating water temperature Temperature and hot water flowElectrical scheme Electrical diagramService mode Maintenance and serviceMaintenance and service Mode Parameter Values Exiting service modeParameter storage Troubleshooting TroubleshootingFault Indication Possible Cause Check Check air vent GWH-345/450-ESR Functional scheme GWH-345/450-ESR Functional schemeInterior components diagram and parts list Interior components diagram and parts listInterior components Components Diagram Components diagramDescription Reference Parts listComponents Protecting the environmentProtecting the environment PackingTen Year Limited Warranty Bosch Thermotechnology Corporation

GWH-345/450-ESR-L, GWH-345/450-ESR-N specifications

Bosch Appliances has long been recognized for its innovative and high-quality home appliances, and the GWH-345/450-ESR-N and GWH-345/450-ESR-L water heaters are no exception. These models offer exceptional efficiency and reliability, making them ideal choices for modern households seeking dependable water heating solutions.

One of the standout features of the GWH-345/450-ESR series is their impressive energy efficiency. Engineered with cutting-edge technology, these units operate with high thermal efficiency ratings. This not only translates to reduced energy bills for consumers but also supports environmentally friendly practices by minimizing energy consumption. The tankless design eliminates the need for a storage tank, providing hot water on demand while ensuring that no energy is wasted in heating and re-heating stored water.

Both models come equipped with advanced safety features. The integrated combustion management system ensures precise control of the combustion process, which not only enhances heating efficiency but also reduces the risk of overheating. Additionally, the built-in safety mechanisms, such as flame failure protection and overheat protection, provide consumers with peace of mind knowing their home is protected.

These Bosch water heaters also feature a user-friendly digital display that allows for easy temperature adjustment and monitoring. The intuitive interface enables users to set their desired water temperature with precision, ensuring comfort and convenience. Furthermore, these models are designed for quiet operation, making them suitable for installation in various locations within the home without causing disruptive noise.

The construction of the GWH-345/450-ESR-N and GWH-345/450-ESR-L models is robust, featuring high-quality materials that ensure durability and longevity. The compact and sleek design allows for flexible installation options, even in smaller spaces. With a variety of venting options available, including direct vent and power vent configurations, these heaters can fit seamlessly into different home layouts.

In summary, Bosch Appliances GWH-345/450-ESR-N and GWH-345/450-ESR-L models represent the pinnacle of modern water heating technology. With their energy-efficient performance, advanced safety features, user-friendly controls, and durable construction, these water heaters are designed to meet the demands of today’s homes while delivering reliable hot water whenever needed. These innovative appliances reinforce Bosch's reputation as a leader in home heating solutions, ensuring that customers can enjoy hot water with confidence and peace of mind.