Sign up for the Service & maintenance plan - includes 6 monthly filter changes & any repairs and/or maintenance required.$20 sign up ($40 if repair is required upon sign-up)$10 per fortnight there after on direct debit through EZIdebitFilter change involves: Drain, clean & sterilise tankDrain of hot tank (if applicable)Dissasembly of bowl & cleaning all componentsChecking proper operation of floatReassembly of bowl and supply and installation of NEW filterEnsuring all washers are in correct positions and there are no leaksChecking general operation of all parts & settings