Lennox International Inc GWB9-075IH-2, GWB9-100IH-2 Lennox Industries Inc. Dallas, Texas

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PRODUCT LITERATURE

Lennox Industries Inc. Dallas, Texas

Manufactured by:

ECR International, Inc.

2201 Dwyer Avenue, Utica NY 13501 web site: www.ecrinternational.com

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Contents Installation Instructions Boiler Dimensions Introduction IntroductionImportant Safety Information GeneralSEA Level Ratings Natural and Propane Gases Net Ahri Rating Shipping Flue DiameterBoilers for USE AT High Altitude United States Installations 90 50/75/100 Series 2 Natural GAS90 50/75 Series 2 Propane GAS 43331093 43331096Boiler Location Considerations Before Installing the BoilerBoiler Sizing Boiler Installation Locating The BoilerCombustion Air And Vent Pipe Requirements Extreme cold climate areas, use ¾ Armaflex or equivalentInstall boiler on level surface Boiler is not to be installed on carpetingCondensate Drain Requirements Foundation RequirementsSupply And Return Lines Clean the System FirstNear Boiler Piping Single Zone Boiler Piping Multi-Zone Systems Two Zone Boiler Piping With Zone ValvesTwo Zone Boiler Piping With Circulators Page Page Page Terminate pipe with plain end not threaded Safety Relief ValveExpansion Tank And Make-Up Water Diaphragm Type Expansion Tank Piping Conventional Closed Type Expansion Tank Piping Reinstall vent drain line Condensate Drain PipingFilling Condensate Trap With Water Chilled Water PipingCombustion AIR and Vent Pipe Connections And TerminationExample Elbow @ 3 ft. + 1 elbow @ 3 ft. = 6 equivalent ft. of pipeInstallation Boiler SizeVent AIR Intake Roof Vent / Intake TerminationsLess Than 12 Clearance Concentric Vent Terminations CombustionVent AirCombustion Air and Vent Piping Boiler Connections Feet minimum total equivalent length for all modelsConnecting The Gas Piping GAS Supply PipingCheck Gas Supply Leak Check Gas PipingGas Pipe Sizes 625,000445,000 365,000Electrical Wiring Electric Power SupplyThermostat Installation Connect Circulator Pump WiringWiring Schematic Ladder Wiring Diagram Page Ladder Diagram for Figure Controls and Accessories Casting Temperature Safety Switch Drain ValveDraft Inducer Circulator PumpStart UP Operating Instructions To Turn Off Gas To ApplianceDisplay S9381A Integrated Boiler Control Operation and AdjustmentsUser Parameters Adjusting Settings State Code Definitions Sequence of Operation Check OUT Procedure and Adjustment Set Thermostat To Desired Room Temperature Review All InstructionsVR8205 Maintenance and Cleaning Remove draft inducer and gasket from top of flue connector Annual Examination And Cleaning Of Boiler ComponentsIgniter wires Gas valve wires Troubleshooting Initial Service ChecksError Codes Differential AIR Pressure Switch Check Boiler Differential PressureAluminum Series Eliminate System Leaks Clean System FirstFill Water and Chemistry General Guidelines When Using Antifreeze Antifreeze Products Installation and CHECK-OUT Certificate Boiler Model Serial # Date Installed Measured BTU/HR inputPage Lennox Industries Inc. Dallas, Texas
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GWB9-050IH-2, GWB9-100IH-2, GWB9-075IH-2, Gas-Fired Hot Water Boiler 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.