4ALF206A2F | Backflow Preventer 4ALF-206 Reduced Pressure Ball Valve SAE Test Coupler 1-1/4 Inch Lead Free Bronze Threaded 4ALF206A2F | Apollo Products Type_Alloy Steel Studs The steel construction provides exceptional

The steel construction provides exceptional durability and resistance to wear and tear

**Specifications:** - Material: Carbon Steel - Thread Size: M42 x 4

The clamp's 2-1/2" length offers ample clamping capacity for a variety of applications

The block's steel construction ensures durability and longevity

Expansion Tank Extrol SX Hydronic 62 Gallon 100 Pounds per Square Inch Gauge 1-1/4" FNPT SX-110V Non-ASME for Closed Hydronic Heating Radiant and Chilled Water Systems

4ALF206A2F | Backflow Preventer 4ALF-206 Reduced Pressure Ball Valve SAE Test Coupler 1-1/4 Inch Lead Free Bronze Threaded 4ALF206A2F | Apollo Products Type_Alloy Steel Studs The steel construction provides exceptionalApollo Products' Model RPLF 4A 1 1 4" Reduced Pressure Backflow Preventer provides unparalleled protection for potable water systems against back siphonage and backpressure contamination. Its innovative design features top accessed modular check valve cartridges, ensuring easy maintenance and replacement of seats and springs. Crafted with lead free bronze, the assembly boasts Apollo ball valves with stainless steel handles and nuts, offering