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Introducing our versatile Expansion Tank - perfect for all your water system needs! With its 21 gallon capacity, you can trust this tank to provide you with enough water when you need it most. Made from high-quality carbon steel and primed for rust prevention, you know you're getting a product built to last. At 60 gallon tank size, this expansion tank is perfect for both small and large households alike. Its 20-inch diameter allows easy installation in any space, while its 1/4-inch port provides all the connectivity options you need. Don't compromise on quality - choose our Expansion Tank for your next project today!