AERCO MLX EXT 450 2S Modulex EXT Series Modulating Condensing Hot Water Boilers User Guide
Learn about the AERCO Modulex EXT series of modulating condensing hot water boilers, including the MLX EXT 450 2S, MLX EXT 600 2S, MLX EXT 800 2S, and MLX EXT 1100 2S models. This user manual covers gas train components and installation guidelines.