Kitchen Appliance for Preparing a Beverage and Method of Operating Same

A kitchen appliance comprising:

• a first reservoir for receiving a liquid to be used for preparing a beverage;
• a hot water generator (HWG) having an inlet end, an outlet end and a passageway extending therebetween, the inlet end of the HWG being connected to the first reservoir, liquid from the first reservoir flowing into the HWG through the inlet end;
• a second reservoir connected to the outlet end of the HWG, the second reservoir including a discharge port;
• a third reservoir connected to the first reservoir, liquid within the third reservoir being maintained at atmospheric pressure;
• a check valve positioned between the first reservoir and the third reservoir, the check valve preventing liquid in the first reservoir from entering the third reservoir from the first reservoir when the check valve is closed;
• and
• a pressure release valve positioned in at least one of or between the first reservoir and the third reservoir, the pressure release valve being moveable between an open position to permit the flow of fluid therethrough and a closed position to prevent the flow of fluid therethrough, the pressure release valve being biased to the closed position.