Boasts an AFUE (Annual Fuel Utilization Efficiency) of over 92% , reaching up to 98% in low-temperature applications like radiant in-floor heating.
Maximizing Efficiency: Your Essential Guide to the Weil-McLain Ultra 310 Series 2
The is a powerhouse of hydronic heating, known for its high efficiency and intelligent "PhD Technology". Whether you are a homeowner looking for operating tips or a technician preparing for annual service, understanding the core components and maintenance requirements of this boiler is key to its longevity. Key Features and Specifications
The brain of the Ultra 310 is the , which manages everything from blower speed to gas flow. Ultra Gas Boiler Series 4 - Weil-McLain