REPLACEMENT OF PARTS

To replace safety valve •Drain down entire heating system. •From below boiler, disconnect heating flow pipe from rear of fixing jig. •Undo heating flow connection on front of fixing jig. Remove clip from heating flow pipe connec- tion on right of front section of reversing valve. Pull pipe towards right and out of reversing valve. Re- move pipe from boiler and keep. •From below boiler, disconnect safety valve dis- charge pipe. •Working through boiler from the front using a long screwdriver, undo and remove screw holding safety valve assembly to fixing jig. •Remove complete safety valve assembly from fixing jig and remove from boiler. •Fit replacement safety valve in reverse order to removal.
Diagram 37 23