This part uses the following part numbers: Baxi - 721384000 Federica Bugatti - 7021940009 Federica Bugatti - BI1351 118 The part is compatible with the following boilers: Baxi Duo-tec compact Baxi Eco compact Baxi Eco home Baxi Eco-4s Baxi Eco-5 compact Baxi Fourtech Federica Bugatti ECO Federica Bugatti Turbo Federica Bugatti Atmo
