Amtrol T-12 THERM-X-SPAN Expansion Tank, 4.4 Gallon, 141-363
- For use in closed, potable hot water systems to control pressure build-up and protect the water heater.
- Accepts expanded water as system temperature rises and returns hot water to system when demand occurs.
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Installation Manual
https://www.capitolgroupinc.com//ASSETS/DOCUMENTS/ITEMS/EN/Thermal-Expansion-Tank-IO.pdf
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Submittal Sheet
https://www.capitolgroupinc.com//ASSETS/DOCUMENTS/ITEMS/EN/Amtrol_therm_x_span.pdf