Water Expansion Tank 2.1 Gallon

The PM77X001 Hot Water Heater Expansion Tank absorbs excess pressure created by the heating of water in the water heater. As water heats, it expands, increasing pressure in the system.,The expansion tank provides a space for this extra water volume, preventing damage to the system, reducing pressure on plumbing lines, and helping to maintain consistent water pressure throughout a property. Boasts a pre-charged pressure of 40 PSI and a maximum charge of 80 PSI.,With a maximum operating temperature of 200 F, it's built to withstand high heat.,The tank features a 3/4-14 MNPT fitting for easy installation and has a 2.1-gallon capacity, ensuring ample hot water supply.,