A coffee maker is provided that is structured to control the temperature of water entering the brewing area, releasably secure a coffee pot in the coffee maker, detect the presence or absence of a coffee pot or mug in the coffee maker, provide a seal between the brewing basket and coffee maker to prevent excess steam from escaping and provide a water supply pressure detection system. A structure for preventing water leaking from an in-wall coffee maker from entering a wall cavity is also provided. A system and method of filtering sediment from water supplied to a coffee maker or other appliance is also provided.