80 Series 1 Commercial Gas Oil Boiler

Product Overview
The Weil-McLain 80 Series 1 Commercial Gas/Oil Boiler delivers proven performance, fuel flexibility, and dependable efficiency for large commercial and institutional heating applications. Built from heavy-duty cast iron and designed for long service life, it’s ideal for both water and steam systems.

Key Features

• Fuel Flexibility: Light oil, gas, or gas-light oil forced draft firing options.
• High Efficiency: Up to 83.2% thermal efficiency for both water and steam applications.
• Easy Maintenance: Lift-off jacket panels and wide access points simplify service.
• Flexible Installation: Available in knock-down, assembled, or packaged configurations.
• Strong Construction: Rugged cast-iron sections designed for commercial durability.
• Versatile Operation: Suitable for water or steam systems; available with or without burner.
• Field-Convertible Flue: Simplifies venting in a range of installation setups.
• Reliable Design: Engineered and manufactured by Weil-McLain, trusted for over a century.

Typical Applications
Ideal for schools, hospitals, municipal buildings, multi-unit housing, and other commercial facilities requiring consistent, efficient heating.

Why It Stands Out
The 80 Series 1 combines Weil-McLain’s legendary cast-iron strength with modern installation flexibility. Whether fired by gas or oil, it offers dependable performance, long-term reliability, and simplified service, everything a commercial boiler should deliver.