Overview

Weil McLain takes condensing boiler technology to a higher level of performance. The Ultra Series 4 features a state of the art heat exchanger with nanotechnology coating that works like "Ultra Armor", reducing build up in the heat exchanger while maintaining high efficiency. Nanotechnology is a heat exchanger coating that combines anti-adhesive and anti-corrosion properties, which protects the heat exchanger from corrosion and combustion residue build up. In conventional systems, aggressive exhaust particles can attach to the surface and cause heat exchangers to corrode. Heat transfer is then reduced and the heating system's energy efficiency decreases. With nanotechnology properties, biofilm formation is inhibited and allows residues to be easily carried out of the heat exchanger before they obstruct the flueways. In addition, Ultra Series 4 has an advanced condensate management system that incorporates polypropylene piping to further reduce the impact of condensate. Thanks to our nano-coated heat exchanger, the Ultra Series 4 requires no cleaning for a full five years after installation. When it's time to clean, a simple rinsing of the coated heat exchanger with water does the trick. The Ultra Series 4 is an ideal choice for single family residential applications. Homeowners will appreciate its quiet operation, ease of set up and control, and unmatched comfort while providing immediate payback in energy savings. For light commercial applications, the Ultra Series 4 lets contractors pair boilers in sequence to heat larger buildings. And, it allows you to control multiple boilers from a single control panel. Back-lit LCD display and simple programming buttons make entering and receiving information easy. The homeowner has the ability to view current boiler status, check water and outdoor temperatures, review boiler maintenance schedule and view installing contractor contact information.

Features

• Includes an LP gas orifice for conversion
• 46,000 BTU minimum input - 230,000 BTU maximum input
• 3 inch or 4 inch PVC, CPVC, Polypropylene or Stainless Steel vent pipe (Size depends on length of run)
• Cast aluminum block with nanotechnology coating
• Stainless steel burners
• Variable speed blower assembly
• Venturi mixing system with air silencer
• Direct spark ignition
• Water content: 1.57 gallons
• Fully removable jacket front
• Adjustable boiler legs
• Condensate trap with drain tee assembly
• U-Control Module with 3.5 inch LCD display