https://www.firstsupply.com/Product/WATLF007M3QTF
0063231 LF007, LF007M3-QT Double Check Valve Assembly, 3/4", Cast Copper Silicon Alloy Body, Double...
0063231 LF007, LF007M3-QT Double Check Valve Assembly, 3/4", Cast Copper Silicon Alloy Body, Double Check