94 Commercial Gas Oil Boiler

The Weil-McLain 94 Series 3 Commercial Gas/Oil Boiler is engineered for high-demand commercial and institutional heating applications. Available in 18 sizes, it offers fuel flexibility with gas, oil, or dual-fuel options. Its heavy-duty cast iron construction and hydro-wall design ensure durability and efficient heat transfer. Simplified piping and easy maintenance access make it a reliable choice for long-term performance.

Features:

Circulating Zone: Hydro-wall design circulates water completely around the combustion area — no refractory chamber or separate base needed.

Easy Maintenance: All heating surfaces are accessible from the left side for quick cleaning.

Sealed Sections: Patented sealing rope ensures gastight cast iron sections.

Quick Assembly: Short draw rods allow fast, easy section assembly.

Fast Installation: Simplified piping — no return header and fewer risers reduce setup time.

Fuel Flexibility: Compatible with light oil, gas, and gas-light oil forced draft firing.

Burner Ready: Supplied with a burner mounting plate as standard equipment.

Strong Design: H and T-shaped cross sections deliver superior strength; rated for 80 lbs working pressure.

High Efficiency: Achieves up to 86.7% thermal efficiency.