Weil‑McLain EG‑75 Series 6 Cast‑Iron Steam/Water Boiler – Built for Reliability & Efficiency
The EG‑75 is a robust cast‑iron boiler designed for both water and steam applications—suited for contractor-level installations in residential and commercial projects. It offers reliable performance and dependable efficiency, engineered for long-term operation
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???? Highlights for Contractors
Cast-Iron Durability – Constructed with heavy-duty cast-iron sections rated for 50 PSIG working pressure; ideal for tough jobsite conditions
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Efficiency Optimized – Up to 84% AFUE, thanks to the factory-installed automatic vent damper and insulated jacket
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Flexible Fueling & Venting – Natural gas with intermittent electronic ignition; compatible with steam or water systems; vents via chimney
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Packed for Serviceability – Features include horizontal-to-vertical draft hood, stainless steel burners, UCM ignition control, low-water cutoff, and easy-access controls
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???? Technical Snapshot (EG‑75, 282 MBH Input)
Attribute Specification
Input 282 MBH
Net IBR Output (Steam) 176 MBH
AFUE Up to 84%
Vent Damper Included (factory-installed)
Ignition Intermittent electronic (UCM control)
Weight ~735 lb
Construction Cast iron sections with insulated jacket
Venting Type Chimney, horizontal-to-vertical draft hood
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???? Installation & Contractor Notes
Licensed Installation Recommended – Proper gas piping, venting, and code compliance are critical for safe, efficient operation.
Service-Friendly Features – Equipped with stainless burners, low-water cutoff, spill switch, and a diagnostic UCM module.
Versatility – Available as either steam or hot-water unit, with options for a tankless coil opening.
⚙️ Fit for Pros & Savvy DIY
For Contractors: Meets rigorous jobsite standards with its durable build, simple diagnostics, and high output—streamlining installs and minimizing callbacks.
For Skilled DIYers: While accessible in design, safe and compliant operation demands professional-level familiarity with boiler systems and building codes.
✅ Final Evaluation
The EG‑75 is engineered for longevity and efficiency, boasting a rugged cast‑iron build, real-world AFUE, and contractor-grade service access. Ideal for large-scale steam or water heating systems, it’s a capable workhorse for pros who expect dependable performance and straightforward maintenance.