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The 140N43 from Amtrol is a Therm-X-Trol ST-5 Thermal Expansion Tank. It's designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion.
Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve.
Standards & Approvals:
Amtrol ST-5 Applications:
|Max Accept. Factor:||0.45|
|Max Pressure (PSI):||150|
|Tank Volume:||2 Gallons|
|Temperature Range (F):||200°F MAX|
|Warranty:||5-Year Limited Warranty|
|Weight (lbs):||5 lbs|