Weil-McLain 383500734 Ultra 105 – 94K BTU – 94% AFUE – Hot Water Gas Boiler – Direct Vent

Overview for Weil-McLain 383500734Over the last 130 years Weil-McLain has built a reputation of designing some of the most reliable boilers in the marketplace. Their dedication to producing long-lasting heating solutions is seen in every boiler they make. Weil-McLain’s Ultra hot water boiler is highly efficient simple to install and remarkably durable. The Ultra is a brilliant addition to any hydronic heating system and the low profile means that it is easy to fit into even the smallest of spaces. Using condensing technology the Ultra will reuse heat that escapes from conventional boilers providing greater efficiency. Equipped with Weil-McLain’s proprietary U-Control system the Ultra is a very user-friendly boiler. Clear display screens relay information about operations temperatures and even the maintenance schedule and your contractor’s contact information. With U-Control and a 94% AFUE the Ultra 105 makes comfort and efficiency more accessible than ever before. Nano-Coated Heat Exchanger With a nano-coated heat exchanger the Ultra boilers won’t need cleaning for 5 years after installation. When it comes time to clean simply rinse the exchanger with water and replace. Outdoor Reset Control An outdoor reset sensor is included with every Ultra boiler. This sensor when paired with the U-Control system allows your boiler temperature to be adjusted relative to the temperature outside eliminating excess energy use and guaranteeing comfort. Clean Efficient Burner

• 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.