normaly fitted to the water line fitted @ the back of your f/f, just follow white pipe untill you find it...
i take it your filter light is on.... if you water tastes ok why dont you just reset the filter light...
check our web for further info
www.atsscotland.co.uk
fill in an online form, and i will drop you a email in how to reset filter light..
greg
greg, July 2007