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  • Great heating projects should be shared!

    Tell us how you've used our high-efficiency boilers to meet your customers’ heating needs. Upload your photos for a chance to be featured on Weil-McLain.com and on our social media. Each submission will receive a Weil-McLain hat and will be entered into a monthly drawing for a $100 Visa gift card.
  • Meet ECO® Tec, the next generation in Weil-McLain comfort.

    4 Heat Only Sizes, 3 Combi Sizes
    Water | Natural or Propane Gas | 80-199 MBH
    Direct Vent or Direct Exhaust | 95% AFUE

  • Firetube performance, perfected.

    Satisfying even the most demanding bid specs — the new SVF commercial boiler unifies leading-edge efficiency, control and durability.

  • Legendary quality. Inventive efficiency.

    High-efficiency heating systems for residential, commercial and institutional buildings. 

  • Next-gen commercial heating solutions

    We take care of business with a broad array of leading-edge, high efficiency boilers that are durable, flexible and cost-efficient.

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Product Registration

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Registering makes it easy to stay up-to-date with maintenance.



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Product Comparison Tool

Product Comparison Tool

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Whether you’re in the market for high efficiency residential boilers or commercial boilers—for a new application or retrofit—look to Weil-McLain.

Weil-McLain boiler system

Weil-McLain high efficiency indirect fired water heaters produce twice the peak flow of a tankless coil.

Aqua Plus indirect fired water heater

Weil-McLain hydronic baseboards offer comfort, efficiency and versatile installation.

Weil-McLain high trim baseboard

They are compact, lightweight and can be used for heating pools, spas, snow-melt systems and other radiant heating applications.

pool heat exchangers

Weil-McLain provides a variety of boiler controls and zone controls to help optimize boiler operation and temperature control.

boiler control panels (BCP)

Download discontinued product support instructions and information.