SimplicityTM GasCombi Boiler
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.
Features
FLEXIBLE SIZING
Available in 110, 150, and 199 MBH sizing variations
DURABLE DESIGN
Stainless steel firetube heat exchanger ensures long-lasting performance
SMART CONNECTIVITY
Connect via smartphone with Bluetooth®
HIGH EFFICIENCY
95% AFUE for reduced energy consumption and costs
EASY INSTALL / MAINTENANCE
Designed for easy setup and servicing
HEAT PUMP COMPATIBLE
Ready for seamless integration with heat pumps
VERSATILE HEATING
Suitable for combi or heat-only applications
USER-FRIENDLY CONTROL
Intuitive touchscreen display for easy navigation and more
EXTENDED WARRANTY
5-year service parts warranty with registration (90 days, residential only)
SEE In ACTion
Meet the SimplicityTM Combi Boiler
Innovative heating, instant comfort
Experience the next evolution in home heating with Weil-McLain’s latest breakthrough—the Simplicity™ combi boiler. Designed for unmatched efficiency and rock-solid reliability, this advanced gas boiler delivers consistent warmth and on-demand hot water with effortless convenience. Engineered for modern living, it’s the perfect blend of innovation, performance, and everyday comfort you can trust.
Smart Tech, Smarter Heat
Effortless control at your fingertips
Upgrade to a smarter way to heat your home with the Simplicity™ combi boiler. Featuring an intuitive touchscreen display, it eliminates confusing error codes and manuals—giving you clear, easy-to-understand diagnostics at a glance.
big on warmth, low on energy use
Engineered for comfort, designed for efficiency
Certified ENERGY STAR® and heat pump ready, this high-efficiency boiler delivers powerful, eco-friendly performance while keeping energy costs low.
Technical Specs
| 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 | 110 | 87 | 100 | 2.2 | 2 or 3 | PVC, CPVC, PP, SS | 16″L x 20″W x 34″H | 96 |
| 150-C | 95 | 150 | 121 | 139 | 3.1 | 2 or 3 | PVC, CPVC, PP, SS | 16″L x 20″W x 34″H | 105 |
| 199-C | 95 | 199 | 160 | 184 | 3.8 | 2 or 3 | PVC (3in only), CPVC, PP, SS | 20″L x 20″W x 34″H | 122 |
Downloads
Product Manuals
Simplicity Boiler Manual – French Simplicity Boiler Manual Simplicity Users Manual Simplicity Users Manual – FrenchMore Residential Boilers
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