Weil-McLain

1133 products

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Upgrade and maintain your facility's heating infrastructure with heavy-duty Weil-McLain commercial boilers and original OEM replacement parts. From massive sectional cast-iron systems to ultra-high-efficiency condensing boilers, we supply exact-match Weil-McLain equipment and components to ensure minimal system downtime.

Rugged Commercial Heating & Factory-Certified Parts

For over a century, Weil-McLain has engineered some of the most durable commercial boilers in the industry. Proper maintenance of these critical heating plants requires genuine OEM components to preserve efficiency ratings, adhere to commercial safety codes, and extend the lifespan of the boiler block.

Weil-McLain Product Lines & Components

  • Commercial Cast Iron & Condensing Boilers: High-capacity heating plants including the legendary LGB series, SlimFit, and Evergreen high-efficiency condensing boilers.
  • Burners & Combustion Controls: Factory-calibrated gas valves, ignition modules, flame sensors, and pilot assemblies.
  • Boiler Trim & Section Assemblies: Replacement cast-iron sections, push nipples, refractory kits, and limit controls.