Weil-McLain LGB-6 Cast Iron Gas Boiler
Weil-McLain LGB-6 Cast Iron Gas Boiler
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📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →Technical Specifications Matrix:
| Manufacturer Part Number (MPN) | LGB-6 (6-Section Series Configuration) |
| Boiler Construction Profile | Cast Iron Sectional Block (6 Sections) |
| Gross Gas Input Rating | 395,000 BTU/hr |
| DOE Net Water Rating Output | 275,000 BTU/hr |
| Combustion Venting Style | Atmospheric Conventional Chimney Draft Hood Venting |
| Internal Fluid Vessel Capacity | 18.2 Gallons |
| Maximum Hydronic Working Pressure | 50 psi Water / 15 psi Steam (ASME Certified Block) |
| Main Flue Vent Pipe Collar Size | 8" Diameter Opening |
| Gas Supply Inlet Connection | 1" NPT Connection |
| Product Shipping Weight | 1,010.00 lbs |
The Weil-McLain® LGB Series 6 is a commercial-grade, atmospheric-vented cast iron sectional gas boiler engineered to supply dependable, low-pressure hot water or steam heating across light-to-medium commercial facility plants. Built with premium, precision-cast iron sections and durable sealing rings, the LGB-6 provides long-term corrosion resistance, excellent structural thermal retention, and a classic robust footprint that easily absorbs the stress of large hydronic distribution loops.
Featuring high-efficiency aluminized steel burners and a clean, low-profile layout, this boiler is designed for space-constrained mechanical rooms, allowing individual sections to be maneuvered through standard commercial door frames for simple on-site block assembly. Its high-grade cast iron construction acts as a highly reliable heat reservoir, delivering quiet thermal distribution, low stack temperatures, and straightforward mechanical controls that remove the vulnerabilities of complex modern electronic diagnostic arrays.
