Description
The Resideo TX-5 Thermal Expansion Tank delivers dependable pressure control for residential hot water and small hydronic systems. Its butyl diaphragm design absorbs the excess pressure generated by heated water expansion, safeguarding plumbing components, minimizing relief valve discharge, and reducing the risk of water hammer — all without requiring any ongoing maintenance.
Built from heavy-duty steel and engineered for long-term reliability, the TX-5 installs quickly with a standard 3/4 inch NPT male connection and begins protecting your system from day one.
Key Features
- 2-gallon capacity sized for residential water heaters and small hydronic systems
- 3/4 inch NPT male connection for fast, standard installation
- Internal butyl diaphragm isolates air from water for consistent performance
- Absorbs thermal expansion pressure to prevent damage to plumbing components
- Reduces relief valve discharge and minimizes water hammer
- Rugged steel construction engineered for long-term durability
- Completely maintenance-free for worry-free operation







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