SNAP-ACTION FLANGE

A flange unit for holding a heating device to a fluid container of an appliance accommodating a fluid to be heated, in particular a domestic appliance, comprising a flange body 12 which is made from a non-metallic material and which can be mounted to a fluid container 60 by at least one fixing device 20 , wherein said fixing device 20 is formed by at least one fixing element 22 which can be brought into positively locking engagement with the fluid container 60.