Weil-McLain Ultra Series 3 Boiler Overview

The Weil-McLain Ultra 3-UE is a discontinued gas boiler with an efficiency of up to 96.4% AFUE. It had a cast aluminum heat exchanger and a stainless steel burner for increased efficiency and cleaner combustion. The unit was designed to operate in low-temperature condensing applications, and a variable speed motor matched combustion output to heating needs. The Ultra 3-UE was designed for both wall-mount and floor-standing applications and was equipped with four adjustable boiler legs.