Moccamaster Spare Part Water Reservoir 1.25L A key feature of Moccamaster is that most components are replaceable if they become damaged or worn over time. Moccamaster coffee makers are built to high quality standards and designed for long-term use. However, with extended use, certain parts may require replacement. Replacing the Water Reservoir on a Moccamaster The water reservoir may develop cracks or discoloration, especially if regular descaling has been overlooked. Fortunately, the entire water tank can be replaced with a new one. This water tank requires assembly. Instructional videos are available online to guide you through the replacement process. Compatible with models: K741 KB741 KB742 KB744 KBT741 KBC741 KBG40 KBG741 KBGC741 KB952 KBG962 KBT741 HB951AO KBGC982AO KBGC4010