@TOMBIG, Steam is rather corrosive,Mark Hunt is correct.I'm a state certified steam engineer and pending on town drinking water, the water is acidic and we add neutralizing amines into the steam to neutralize condensate.We also add caustic to town water to produce a balance to your water. 0 At 18 https://archerygmty.wikissl.com/1036798/how_hvac_repair_can_save_you_time_stress_and_money