Watts - 1-LF007M1-QT - 1 inch LF007M1-QT 1 Double Check Valve 0063232 Type_Built in Recirc Pump Is this a complete freeze-protection

Is this a complete freeze-protection controller

and stem-and-disc assemblies needed to rebuild the top section correctly

371 Unit Carton Length (in) 14

The Toro TSM-4H 4-Station Expansion Module delivers high surge protection for your TMC-424E controller

One side is Distressed Antique Gray

Watts - 1-LF007M1-QT - 1 inch LF007M1-QT 1 Double Check Valve 0063232 Type_Built in Recirc Pump Is this a complete freeze-protectionThis 1 inch lead free double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to back siphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping