Upon arrival spoke with customer and he explained that for about 2 weeks the water has been pulsating when running water and can here the pipes jumping in the walls customer also made me aware that he had to go catch a flight and wanted the issue tanker care while he was gone so his wife wouldn’t have to worry with it checked pressure on home and it was well over 100 psi and when water was running PRV would squeak With customer approval I replaced and after I was done and found no leaks called wife to get payment over phone