Pipe Whisperer or Clueless Dripper? Unclog Your Knowledge!Which pipe material is approved for gas line installations?27%Next Correct Incorrect Gas lines require metal pipes (galvanized steel/stainless) – plastics risk static ignition or melting. Which pipe material is approved for gas line installations? PPR water supply pipe Galvanized steel pipe PEX radiant heating tube PVC-U drain pipe 27%
