Universal Gas Boiler Accessories 220V 50HZ 35W zero FL097034Y-07 Fan Blower for Bosch Vaillant Squirrel Viessmann Gas BoilersA sleeve on the axis of rotation continually stays an issue for all fans, regardless of their production. When the sleeve is worn, the fan is not correct for repair, entirely replacing the fan assembly is probably able to resume the smoke exhaust operate double venturi is fastened at the fan for connecting to the boiler pressure swap with a pressure of 170/140 Ra: equivalent to the thing 7829879Vitopend one hundred WHO 24 / Vitopend one hundred WHOA 24 / Vitopend a hundred WH1B 24 / Vitopend a hundred WH1B 30 / Vitopend one hundred WH1D 24 / Vitopend 100 WH1D 30 Our shop additionally has different kinds of fans ,if you need ,you can discover them in the store ,or contact the tradition service.