Watts - 1-LF007M1-QT - 1 inch LF007M1-QT 1 Double Check Valve 0063232 Type_Built in Recirc Pump The live Big Frog Supply

The live Big Frog Supply variant is specifically identified as the no-check-valve configuration

MC-195T-US Specifications:

The selected lamp load must be included in transformer sizing and voltage-drop calculations

Is this a complete freeze-protection controller

Watts - 1-LF007M1-QT - 1 inch LF007M1-QT 1 Double Check Valve 0063232 Type_Built in Recirc Pump The live Big Frog SupplyThis 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