Aqua-Hot 3 Qt. Expansion Tank with 5/8 in. Barbs - PLE-063-401

The Aqua-Hot 3 Qt. Expansion Tank with 5/8 in. Barbs is a coolant expansion tank designed for compatible Aqua-Hot hydronic heating systems. This 3-quart reservoir accommodates coolant (antifreeze) expansion as the heating system warms up and allows coolant to return as the system cools. Its 5/8-inch barbed connections provide attachment points for compatible coolant hoses, helping maintain proper fluid levels and reliable heating system operation. Important Information 3-Quart Coolant Capacity – Provides space for coolant expansion and recovery during normal heating and cooling cycles. 5/8 in. Hose Barb Connections – Features 5/8-inch barbed connections for attaching compatible coolant hoses. Genuine OEM Replacement – Designed for proper fit, compatibility, and reliable performance in compatible Aqua-Hot hydronic heating systems. Replaced by Aqua-Hot 3 Qt. Overflow Bottle with Hose & Clamps - PLE-070-401 Compatible Models Aqua-Hot AHE-400-D01 AHE-400-D02 AHE-400-P01 AHE-400-P02 AHE-450-DE2 AHE-450-DW3 AHE-450-DE4 AHE-450-DE5 AHE-450-DT1 Help Me Find My Model Number