|Y-4070||2″||1″ NPT T&D Valve|
|Y-4070||2 1/2″||1 1/4″ NPT T&D Valve|
|Y-4070||3″||1 1/4″ NPT T&D Valve|
|Y-4070||4″||2″ NPT T&D Valve|
|Y-4070||6″||2″ NPT T&D Valve|
They are available with a TEST and DRAIN valve, and/or pressure relief valve (PRV) to meet NFPA 13 requirements for gridded systems and any system requiring a pressure relief valve. The pressure relief valve will provide protection against excessive water pressure caused by thermal expansion or line surge.