Sirem Circulation Pump (Fullwood Packo) The Sirem Circulation Pump (Fullwood Packo) is a high-performance ice water circulation pump designed for use with Fullwood Packo milk tanks and plate coolers . This pump plays a vital role in maintaining efficient cooling by circulating chilled water consistently, helping protect milk quality and support reliable temperature control. Engineered for demanding dairy environments, this pump is model PB1C 80 K1B and operates on single phase 200–240V, 50Hz power , making it suitable for standard electrical installations. Reliable water circulation is essential for effective heat exchange within cooling systems, and replacing a worn or underperforming pump helps restore consistent cooling performance and system efficiency. The Sirem Circulation Pump (Fullwood Packo) features a 107mm inlet and a 50mm outlet (37mm internal) , ensuring correct fitment with compatible Fullwood Packo tanks and plate coolers. Using the correct inlet and outlet dimensions is crucial to maintain proper flow rates and avoid restrictions that could compromise cooling efficiency. This circulation pump is ideal for routine maintenance, breakdown repairs, or preventative repla