Weil-McLain Boilers

Ultra Gas S3 CT
Gas Boiler

Boiler Intelligence for Every Heating Need
- Up to 93.5% AFUE
- Gas fired water boiler with cast aluminum heat exchanger
- Venturi mixing body mixes air and gas providing higher efficiency
- Designed to operate in low temperature condensing applications
- Outdoor reset and domestic hot water priority standard
- Negative regulated gas valve precisely delivers gas to the boiler
- U-Control gives you the power for easy set-up and maintenance
- Modulates with 5 to 1 turn-down ratio
- Variable speed motor matches combustion output to heating needs
- High grade stainless steel burner features quiet operation, high efficiency, and cleaner combustion for low NOx applications


WM97+ CT Wall Mount
Gas Boiler

Saves Time, Saves Money
- 70,000, 110,000 & 155,000 BTU input models at 95% AFUE
- Stylish, compact wall mount design for easy installation, service and maintenance
- Unique condensing stainless steel fire tube heat exchanger design
- Built-in boiler circulator
- Built-in primary/secondary piping option
- Pre-wired terminal strip for quick and easy electrical connections
- Convenient indirect-fired water heater connection
- Capable to vent with PVC, PP and SS up to 100′
- Multi-color LCD display with text – no codes
- CT – Condensing Technology – 5 to 1 turndown ratio
- Aqua Logic indirect fired water heater compatible


ECO Wall Mount
Gas Boiler

Quality You Trust, Flexibility You Want, Value You Deserve
- Class-leading 70,000, 110,000, and 155,000 BTUH models
- Exceeds Energy Star requirements at 95% AFUE efficiency rating
- Durable stainless steel fire tube heat exchanger
- Streamlined design configurable for installation
- Display can be mounted on the boiler or wall (up to 2’ away)
- Components positioned for fast and easy service
- Multiple vent configurations and material options
- Optional accessories to match virtually any installation


CGa Series 2 Gas Boiler
Compact Design Saves Valuable Living Space
- Compact design saves valuable living space
- Stainless steel burners for quieter ignition, longer life, and improved combustion
- Gas fired water boiler with cast iron sections
- Easily accessible controls, vertical flueways and top cleaning for easy and quick servicing
- Up to 84% AFUE