The Pentair 195829 2" Drain Plug NPSM is a high-quality component designed to improve fluid management in HVAC systems. This drain stopper, which has a 2" National Pipe Straight Mechanical connection, offers a dependable and safe seal for a range of uses. In order to stop leaks and make maintenance easier, the plug is mostly used to close off drain lines or ports in HVAC equipment lik... https://www.usapoolshop.com/195829-pentair-2-drain-plug-npsm