Series 2®

The Best Selling Gas Boiler In America!
Since it’s introduction over 20 years ago, the Series 2 has earned a reputation for safety, reliability and durability. With a robust cast iron heat exchanger, long lasting stainless steel burners, over two decades of refinement, and over two million installed in North America, the Series 2 remains one of the most popular choices for those seeking a reliable, long-lasting gas boiler.
- AFUE Up to 84%
- Natural Draft
- Natural or LP Gas 38 – 299 MBH (14 sizes)
- Cast Iron Heat Exchanger, 2–10 Sections
- Direct Replacement for Thousands of Existing Boiler Installations
- Solid, Reliable, Time-Tested Design
- Standing Pilot or Electronic Ignition
- Lifetime Limited Warranty
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