A genuine Baxi part, this roof flashing is used to seal the exit hole of a flue through a roof. It is suitable for use with Duo-tec, Megaflo, Solo 3, Main Eco, Main HE, Performa, Promax, Combi, Platinum, Main Combi/Combi HE, Performa SL, Suprima, Gold and Heatmax boilers