FEROLI HAWK II COMBI BOILER
I NEED TO CHANGE THE TEMP SENSOR IN THE CH PIPE - NOT SURE HOW. I SUPPOSE I NEED TO ISOLATE CH FLOW AND RETURN PIPES. THE BOOKLET REFERS TO FLOW AND RETURN COCKS BEHIND JIG BRACKET. I CAN LOCATE BRONZE (?) ELBOWS WHICH HAVE A SCREW HEAD ON EITHER SIDE OF ELBOW...
