Lennox International Inc GWB9-100IH-2, GWB9-075IH-2, GWB9-050IH-2 Antifreeze Products

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System and Operating Precautions

Applies to ALL Aluminum High Efficiency Gas-Fired Water Boilers

Table 11 - Antifreeze Products

Compatible Aluminum Antifreeze & Inhibitor Suppliers

 

Noble Company

 

P. O. Box 350

Noburst AL Antifreeze

Grand Haven, MI 49417

www.noblecompany.com

 

Tel:

800-878-5788

 

Fax: 231-799-8850

 

Rhomar Water Management, Inc.

Rhogard Antifreeze &

P. O. Box 229

Springfield, MO 65801

Pro-Tek 922 Inhibitor*

www.rhomarwater.com

 

Tel:

800-543-5975

 

Fax:

417-862-6410

 

 

 

*Pro-Tek 922 Inhibitor may be used to adjust the pH level of the hydronic system, but on occasion may not resolve the pH issue. In these cases, flush the system and refill with untreated water and antifreeze suitable for aluminum heat exchangers, as listed in this supplement.

 

Hydronic Agencies, Ltd.

 

(Fernox North Distributor)

 

15363 117 Avenue

 

Edmonton, AB T5M 3X4

Alphi-11

Canada

 

www.hydronicagencies.com

 

Tel:

780-452-8661

 

Fax: 780-488-2304

 

Fernox

 

 

www.fernox.com

 

Interstate Chemical

 

2797 Freedland Road

Intercool NFP-30,40,50 AA

P.O. Box 1600

Intercool RPH-15*

Hermitage, PA 16148-0600

www.interstatechemical.com

 

Tel: 800-422-2436

 

Fax: 724-981-8383

 

Hercules Chemical Company, Inc.

 

111 South Street

Hercules cryo-tek™-100/Al

Passaic, NJ 07055

www.herchem.com

 

Tel: 800-221-9330

 

Fax: 800-333-3456

 

 

 

*This product may be used to adjust pH level of hydronic system, but on occasion may not resolve pH issue. In these cases it is recommended to flush system and refill with untreated water and new boiler manufacturer approved antifreeze suitable for Aluminum heat exchangers.

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Contents Installation Instructions Boiler Dimensions Introduction IntroductionGeneral Important Safety InformationNet Ahri Rating Shipping Flue Diameter SEA Level Ratings Natural and Propane Gases90 50/75/100 Series 2 Natural GAS Boilers for USE AT High Altitude United States Installations43331093 43331096 90 50/75 Series 2 Propane GASBoiler Location Considerations Before Installing the BoilerBoiler Sizing Locating The Boiler Boiler InstallationCombustion Air And Vent Pipe Requirements Extreme cold climate areas, use ¾ Armaflex or equivalentBoiler is not to be installed on carpeting Install boiler on level surfaceCondensate Drain Requirements Foundation RequirementsSupply And Return Lines Clean the System FirstNear Boiler Piping Single Zone Boiler Piping Two Zone Boiler Piping With Zone Valves Multi-Zone SystemsTwo 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 Condensate Drain Piping Reinstall vent drain lineFilling Condensate Trap With Water Chilled Water PipingConnections And Termination Combustion AIR and Vent PipeExample Elbow @ 3 ft. + 1 elbow @ 3 ft. = 6 equivalent ft. of pipeBoiler Size InstallationRoof Vent / Intake Terminations Vent AIR IntakeLess Than 12 Clearance CombustionVent Air Concentric Vent TerminationsFeet minimum total equivalent length for all models Combustion Air and Vent Piping Boiler ConnectionsGAS Supply Piping Connecting The Gas PipingCheck Gas Supply Leak Check Gas Piping625,000 Gas Pipe Sizes445,000 365,000Electric Power Supply Electrical WiringThermostat Installation Connect Circulator Pump WiringWiring Schematic Ladder Wiring Diagram Page Ladder Diagram for Figure Controls and Accessories Drain Valve Casting Temperature Safety SwitchDraft Inducer Circulator PumpStart UP To Turn Off Gas To Appliance Operating InstructionsDisplay S9381A Integrated Boiler Control Operation and AdjustmentsUser Parameters Adjusting Settings State Code Definitions Sequence of Operation Check OUT Procedure and Adjustment Review All Instructions Set Thermostat To Desired Room TemperatureVR8205 Maintenance and Cleaning Remove draft inducer and gasket from top of flue connector Annual Examination And Cleaning Of Boiler ComponentsIgniter wires Gas valve wires Initial Service Checks TroubleshootingError Codes Boiler Differential Pressure Differential AIR Pressure Switch CheckAluminum Series Eliminate System Leaks Clean System FirstFill Water and Chemistry General Guidelines When Using Antifreeze Antifreeze Products Boiler Model Serial # Date Installed Measured BTU/HR input Installation and CHECK-OUT CertificatePage 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.