why is a cracked heat exchanger dangerous

Why Is A Cracked Heat Exchanger Dangerous Why Is A Cracked Heat Exchanger Dangerous Power.Clean.2000.-.Fuel.System.And.Engine.DeCarbonization.Expert:.Manufacturer.of.Transmission.Fluid.Exchanger.for.Transmission.Flush,.Innovative.Industrial.FURNACE..HEAT..EXCHANGER..LIFE..-..what..is..the..life..expectancy..of..a..residential..h…