Opened drywall in cieling , located break on 1/2" cpvc waterline in cieling. Open access holes in cieling and in adjacent wall. Cut out broken section of 1/2" cpvc. Repaired break with two 1/2" couplings and a 1/2" 90*. Pressure on home at 120psi, installed 3/4" Pressure Regulator Valve to reduce pressure in home. Waterheater saturated with water and drywall Recomend replacing. Customer request to be billed