You've done a Google search for Miele spares, haven't you? Please tell me you did.
http://www.espares.co.uk/search/ma254pt1961/fridges-and-freezers/sensors/miele
As well as the make (Its a Miele Presitige) You may have the model number wrong. Please check as I cannot find ANY Google results for prt294ffcs
XXX
July 2016