Dairymaster Cooling Tank Bottom Fill Non Return Switch (2.0″) The Dairymaster Cooling Tank Bottom Fill Non Return Switch (2.0″) is a replacement component engineered to ensure correct milk flow direction and system protection during the bottom fill process on Dairymaster milk cooling tanks. Non-return switches are an important part of the bottom fill assembly, helping prevent backflow of milk or water that could compromise hygiene or tank performance. This switch is designed specifically for 2.0″ bottom fill outlets , making it compatible with Swiftcool and other Dairymaster cooling tanks that use this standard connection size. A properly functioning non-return switch helps maintain sanitary operation and supports reliable tank filling, particularly during high-volume milking periods. Manufactured for use in dairy environments , the switch is built to withstand routine exposure to milk, water, cleaning chemicals, and wash-downs . Replacing a worn or faulty non-return switch can help eliminate filling issues, reduce downtime, and protect the performance of the bottom fill system. For correct compatibility and peace of mind, always use the part number for part verification before ord
