1-PACK GUOFIS 2.1 Gallon Water Heater Expansion Tank,3/4 in MNPT | Expansion Tank for Thermal Pressure

Key features

• Controls Thermal Pressure: This expansion tank is engineered to absorb excess pressure caused by heating water in your closed plumbing system, preventing valve leaks and pressure fluctuations
• Two Capacity Options: Available in both 2.1-gallon and 4.5-gallon models to suit different household water heater sizes and system demands
• Standard 3/4-Inch MNPT Connection: Features a universal 3/4-inch male threaded connection for straightforward installation on your water heater supply line
• Reliable Bladder & Fitting: Equipped with a flexible butyl rubber diaphragm housed in a steel tank and a rust-resistant 304 stainless steel connection fitting
• Protects Your Plumbing System: Safeguards your water heater, pipes, and fixtures from stress caused by thermal expansion, helping to prevent damage and maintain efficiency

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