The casing is the outer casing of the heating unit. The casing will vary depending on the model you have. The numerous casing models have changed dramatically over the years as the suppliers strive to make them as user friendly as possible.
Fits Various Appliances
Technical specification
Toilet Cistern CapacityFTW--ERP RatingNot ApplicableSupplier Part NumberS43266Brand NameBroag Remeha