Tech arrived on site located PRV within access panel of basement wall. Tech removed existing PRV and newly installed watts 3/4” pressure reduction valve. A new 3/4” PP ball valve was newly installed on main supply line before PRV, replacing old existing gate valve. All connections are tightened and secured and have been properly tested for no leaks and proper functioning, w/ water pressure at 65psi. All ok at this time with customer satisfaction.