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Amtrol Hydronic Expansion Tank
Amtrol Inc. designed and patented the first Extrol diaphragm expansion tank to control system pressure and help reduce energy consumption in heating systems.
- Accepts expanded water as system temperature rises to reduce pressure build-up.
- Factory pre-charge: 12 psig.
- Maximum working pressure: 100 psig.
- Maximum operating temperature: 240°F.