New Surplus Honeywell Electrically Operated Solenoid Valve p/n 2RP1LB215012VDC. We found these in an inventory we purchased. We believe that these valves are used for a multitude of fluid types including, Air or Nontoxic Nonflammable gases, Common Refrigerants except ammonia, City Gases Supplied by Public Utilities, Liquid Petroleum Gases.