@TOMBIG, Steam is rather corrosive,Mark Hunt is correct.I am a state certified steam engineer and pending on town drinking water, the h2o is acidic and we incorporate neutralizing amines to the steam to neutralize condensate.We also increase caustic to the city h2o to make a balance to your water. 0 https://edwinmwcjq.theideasblog.com/31267897/helping-the-others-realize-the-advantages-of-hvac-repair