CA140-125P - Full-Acceptance Expansion Tank - 37 GallonTaco CA140 125P Full Acceptance Expansion Tank 37 Gallon The Taco CA140 125P is a 37 gallon, ASME certified bladder expansion tank engineered for hydronic heating, cooling, and pressure booster systems. Built with a carbon steel shell and a heavy duty butyl bladder, it ensures permanent separation between air and water to manage thermal expansion reliably and efficiently. Unlike basic compression tanks, the CA140 125P uses a replaceable bladder to