ANGLE STOP SHUT OFF VALVE NO FURTHER A MYSTERY

On inspection, the plumber (who was excellent) suggested that a fresh pipe/line needed to be put in as it absolutely was broken. To do so, he needed to Slash at the rear of the drywall to obtain the pipe and install a fresh t-connector and a short stub-out to feed the toilet. He plugged this operate in to his operate Pc and it spat out an estimate