I have a friend who recently bought a house (deal is final they took procession a couple weeks ago). Before they bought the house they had it inspected. The inspector said, and the report also confirms, that the house had PEX piping. Before my friends move into the house they’re having some renovation done, they have discovered that the piping in the house is in fact entirely PB piping. PEX is pretty standard and considered good PB is no longer sold in the united states and is known to have failures. The inspection company is claiming that they’re only liable up to the cost of the inspection itself but my friends are looking at a multi-thousand dollar replacement that would of certainly influenced their buying decision/ negotiations. Any advice on next steps is appreciated.