007-QT 3/4" Double Check Valve Assembly Watts 0062020 Features: Ease of maintenance — only one cover Top entry Replaceable seats and seat discs Modular construction Compact design Cast bronze body construction Top mounted ball valve test cocks Low pressure drop No special tools required for servicing Watts 0062020 Specifications: Length: 11-1/8" Material: Bronze Connection Size: 3/4" Weight: 5 lbs.