Lennox International Inc GWB8-280E-2, GWB8-262E-2 installation instructions Product Literature

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PRODUCT LITERATURE

Lennox Industries Inc.

Dallas, Texas

This boiler cannot be used with all types of chimneys. Read these instructions carefully

before installing.

C.S.A. Certified for

Tested for 50 psi. ASME

Natural gas or Propane

Working Pressure

INSTALLATION INSTRUCTIONS

GWB8-262E-2

GWB8-245E-2

GWB8-299E-2

GWB8-280E-2

GAS FIRED BOILER

RETAIN THESE INSTRUCTIONS FOR

FUTURE REFERENCE

These instructions must be affixed on

or adjacent to the boiler.

!WARNING

Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency, or the gas supplier.

GAS-FIRED HOT WATER BOILERS

These Gas-Fired Water boilers are low pressure, sectional cast iron boilers Design Certified by CSA (Canadian Standards Association) for use with Natural and Propane Gases. They are constructed and hydrostatically tested for maximum working pressure of 50 psi (pounds per square inch) in accordance with A.S.M.E. (American Society of Mechanical Engineers) Boiler and Pressure Vessel Code Section IV Standards for Cast Iron Heating Boilers.

P/N# 240009276, Rev. A [03/2012]

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Contents GAS-FIRED HOT Water Boilers Product LiteratureDimensions DimensionsInch Boiler Model Number Flue Diameter WidthRatings and Capacities Boiler Ratings and CapacitiesBoilers for USE AT High Altitude Table of Contents Minimum Clearances to Combustible Installation ProcedureRoom Cubic Feet Volume Minimum Room Volume, Indoor Air OnlyVentilation & Combustion AIR CanadaRelief Valve Discharge Line Connecting Supply and Return PipingCheck local DischargeFor USE with Cooling Units Temperature Pressure GaugeTypical Hot Water Piping Bypass Piping Circulator on Supply Chimney and Vent Pipe Connection Connecting The Vent Damper And Vent ConnectorCheck Your Chimney Chimney SizingRemoving Existing Boiler From Common Venting System Minimum Vent Pipe ClearanceVent Damper Manual Operation Vent Damper InstallationGas Pipe Sizes GAS Supply PipingCheck GAS Supply Checking GAS PipingVent Damper Wiring Electrical WiringElectric Power Supply Thermostat InstallationIntegrated High Limit Electronic Ignition Control Wiring DiagramsWiring Diagrams Integrated High Limit Electronic Ignition Control Filling System with Water General InstructionsLight this burner by hand Lighting InstructionsDo not use this appliance if any part has To Turn OFF GAS to ApplianceOperating Your Boiler Check Thermostat Operation Maintaining Your Boiler If Your System is not Heating or not Giving Enough Heat Service HintsPossible Cause What to do If Burner is NoisyEquipment and Optional Accessories Blocked Vent Safety Switch Blocked Vent Safety Shutoff Rollout Switch Flame Rollout Safety ShutoffAdjusting Settings Installation Environment ConsiderationsAppendix a Control Module Electrical ConnectionsOperation State Codes OperationTroubleshooting Boiler High Limit Temperature ControllerTroubleshooting Error Codes Definition ErrorIntermittent Pilot StepCorrect Pilot Flame 3/8 to 1/2 inch in flame. See , Troubleshooting Pilot FlameLennox Industries Inc. Dallas, Texas
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GWB8-299E-2, GWB8-245E-2, GWB8-280E-2, Gas-Fired Hot Water Boiler, GWB8-262E-2 specifications

Lennox International Inc. is a prominent player in the HVAC industry, renowned for its innovative solutions and high-efficiency products. Among its standout offerings is the GWB8 Gas-Fired Hot Water Boiler, available in various models including GWB8-262E-2, GWB8-245E-2, GWB8-280E-2, and GWB8-299E-2. These units are designed to provide reliable and efficient heating solutions for residential applications.

One of the key features of the GWB8 series is its energy-efficient operation. These boilers are designed to achieve an AFUE (Annual Fuel Utilization Efficiency) rating of up to 84%, allowing homeowners to save on energy costs while reducing their environmental footprint. The product utilizes a cast-iron heat exchanger, which promotes optimal heat retention and distribution, ensuring consistent performance throughout the heating season.

The GWB8 series incorporates advanced technologies to enhance comfort and efficiency. A significant innovation is the use of a power venter system that facilitates venting through the sidewall of the home, providing installation flexibility while maintaining safety standards. Additionally, the boilers are equipped with a Honeywell integrated control for precise temperature management and modulating gas valve technology, which adjusts the gas flow to match the heating demand, further optimizing fuel consumption.

Another defining characteristic of the GWB8 models is their durable construction. Designed to withstand the rigors of heating applications, these models feature a robust, powder-painted steel cabinet that helps prevent rusting and corrosion. The access doors are insulated, contributing to overall efficiency while allowing easy maintenance and serviceability.

The GWB8 series is also designed with homeowner comfort in mind. The quiet operation of these boilers ensures that they blend into the living environment without disruptive noise, making them an ideal choice for residential settings. The models are compatible with various heating systems, including hydronic heating, making them versatile and reliable.

Overall, Lennox's GWB8 Gas-Fired Hot Water Boiler series is an excellent choice for homeowners seeking efficient, durable, and reliable heating solutions. With a combination of advanced technologies, energy-efficient performance, and practical features, these boilers set a high standard for residential heating systems in today's market.