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Simplicity Gas Combi Boiler

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Discover the future of home heating with Weil-McLain's newest innovation – the Simplicity™ combi boiler. Engineered for high efficiency and dependable performance, this residential gas boiler is designed to deliver reliable comfort and convenience.

Quality components & design – it’s simple:

  • Flexible Sizing: Available in 110, 150, and 199 MBH
  • High Efficiency: 95% AFUE for reduced energy consumption and costs
  • Versatile Heating: Suitable for combi or heat-only applications
  • Durable Design: Stainless steel firetube heat exchanger ensures long-lasting performance
  • Easy Installation & Maintenance: Designed for easy setup and servicing
  • User-Friendly Control: Intuitive touchscreen display for easy navigation
  • Smart Connectivity: Connect via smartphone with Bluetooth®
  • Heat Pump Compatible: Ready for integration with heat pumps
  • Extended Warranty: 5-year service parts warranty with registration (within 90 days, residential only)

Technical Data

Models AFUE (%) CSA Input (MBH) Net (MBH) DOE Heating Cap. (MBH) Boiler Water Content (gal.) Vent Size (in.) Vent Material Boiler Dimensions Boiler Weight (lbs.)
110-C 95.0 110 87 100 2.2 2 or 3 PVC, CPVC, PP, SS 16"L x 20"W x 34"H 96
150-C 95.0 150 121 139 3.1 2 or 3 PVC, CPVC, PP, SS 16"L x 20"W x 34"H 105
199-C 95.0 199 160 184 3.8 2 or 3 PVC (3in only), CPVC, PP, SS 20"L x 20"W x 34"H 122