Sterling model MS separated combustion indoor make-up air systems

Sterling model MS separated combustion indoor make-up air systems are similar to the MU and ME units except a separated combustion type duct furnace is utilized. Separated combustion units are designed to be installed in dusty, dirty and mildly corrosive environments or where local codes require outside air to be used for combustion. Heating capacities range from 100 to 400 MBH with airflows from 800 to 14,000.