Weil McLain Ultra UG-105-S3-UE, Natural Gas Series 3 High Efficiency Condensing Hot Water Residential boilers feature AFUE efficiency up to 95.3% . These are some of the highest efficiencies in the industry, however, Ultra Series boilers, when used in common low temperature applications have annual efficiencies of 98.0%. Besides being Ultra High Efficient, the Ultra boiler is environmentally friendly.
Weil Mclain Ultra 105 Natural Gas Ultra Efficient Condensing Gas Boiler 383-500-702 with Taco Pump 007.
- Series 3 Ultra Boiler
- 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
- Electronic control module automatically adjusts blower speed and gas flow rate in response to environment
- Modulates with 5 to 1 turndown 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.
- Fuel Type: Natural Gas
- System Type: Hydronic (Water)
- Features: EI/Spark Ignition/Direct Vent/Condensing
- Vent Size: 3"
- Water Connection: 1"
- Gas Connection: 1/2"
- BTU Input: 105000
- BTU Output: 81000.0
- Warranty: Limited 15 Year Warranty on Heat Exchanger/ 1-year on parts
- Boiler Type: High Efficiency
- Width: 22-5/8"
- Height: 41-1/8"
- Application: Heating
- Depth: 19"
- Vent Type: ABS