0.52 Gal Thermal Expansion Tank - 3/4" MNPT – Maintains Safe Pressure for Water Heaters with Backflow Preventers

Key features

• FUNCTION: Designed to manage increased water volume caused by thermal expansion in residential water heater and hot water storage tank systems
• COMPATIBILITY: Works with domestic water heating systems that utilize backflow preventers or check valves to maintain safe water pressures
• CONSTRUCTION: Features a durable butyl rubber diaphragm that effectively separates system water from the tank's inner walls
• PROTECTION: Includes a polypropylene liner that helps prevent direct contact between water and tank surface, enhancing longevity
• SAFETY: Helps prevent excessive pressure buildup in closed water heating systems, protecting plumbing fixtures and appliances

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