There are a variety of different types of seal for a central heating system. Some focus on preventing the escape of harmful gases and other toxic fumes while others ensure flowing water cannot escape.
Measurement: 3/4 inch
Fits a number of Ideal Boilers
Technical specification
Product TypeGasketWaist Sizeab67cg24gxTypeGasketERP RatingNot ApplicableSupplier Part Number075415Brand NameIdeal