Filter change & Standard Service: 

Drain, clean & sterilise tank
Drain of hot tank (if applicable)
Dissasembly of bowl & cleaning all components
Cleaning & checking proper operation of float
Reassembly of bowl and supply and installation of NEW filter + Ceramic Fluoride Filter
Ensuring all washers are in correct positions and there are no leaks
Checking general operation of all parts & settings

Filter Change and Super Service

Same as above PLUS
Opening machine and cleaning all internal pipes
Steam clean tank and internal pipes

Filter & Service + Fluoride ceramic dome