Product Information: The casing is the outer casing of your heating unit. The casing will be different depending on the model in question. The different designs have changed dramatically over the years as the suppliers strive to make them as user friendly as possible. This part is present in 20 different boilers in the Worcester range including the Worcester GREENSTAR 12I SYSTEM, GREENSTAR 12I SYSTEM, GREENSTAR 12RI , GREENSTAR 12RI , GREENSTAR 15RI This is from a 24Ri Length approximately 1.5m
