There are many different types of seal for a central heating system. Some ensure safety by preventing the escape of toxic fumes and other harmful gases while others stop water leaks appearing .
Fits multiple appliances
Technical specification
Waist Sizeaa75ch94guToilet Cistern CapacityFTW--ERP RatingNot ApplicableSupplier Part Number008/RW35/SBrand NameCharnwood