Water Worker 2 Gallon Thermal Expansion Water Heater Safety Tank. This durable tank features a steel outer shell, polypropylene lined water reservoir, and heavy duty butyl diaphragm that flexes to accommodate expanded water overflow, reducing pressure build up and harmful pressure spikes in closed water systems. The leak proof precharged air chamber ensures long-lasting performance. UL listed.
- 2 Gallon capacity
- Steel outer shell
- Polypropylene lined water reservoir
- Heavy duty butyl diaphragm that flexes
- Leak proof precharged air chamber
- Reduces pressure build up and harmful pressure spikes in closed water systems
- Temporarily absorbs expanded water overflow
- UL listed
