Gardner Bender GRT-3500 Outlet Tester, 110 - 120 VAC LED Display

Hi! Thank you for your query about the 2-gallon expansion tank. This expansion tank is designed to absorb excess water pressure caused by thermal expansion in closed plumbing systems, such as hydronic heating systems or domestic hot water systems. It helps maintain system balance and prevents damage to pipes, fixtures, and appliances. Once you are ready to order this expansion tank, just click on the "Add to Cart" button, fill in the information needed, and we'll take care of the rest. Thank you for trusting PlumbersStock. Have a great day!

Hello! Thank you for your inquiry about the ProStock potable water expansion tank. Yes, this tank comes with a one-year warranty. Please refer to its specification sheet for additional information. To proceed with the purchase of this potable water expansion tank, simply click "Add to Cart" and fill out the required fields. Thank you for visiting PlumbersStock! Have a great day!