Watts 757N-BFG 4 - Part of the 757 Series ZA100F-3NH each affixed to an adapter

each affixed to an adapter for easy installation on test cocks

17 bar ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268613957 Inlet Connection Size 1 1/2 IN Inlet Connection Type Flanged Joint Lead Free YES Maximum Operating Temperature-Fahrenheit 300 Maximum Working Pressure-PSI 250 Outlet Connection Size 1 1/2 IN Outlet Connection Type Flanged Joint Part Number 1GE00196 Pilot Control System Fitting Material Brass Pilot Control System Tubing Material Copper Series LFM115 Trim Material 316 Stainless Steel Valve Style Mustang Submittal Package - Automatic Control Valve LFM115

it serves as a pressure relief control valve

In the above Picture 2: The barrier was installed a few inches away from the foundation wall to allow for a an occasional visual inspection to ensure that water was not flowing around the barrier and pooling against the foundation wall

Heavy-Duty Construction: Rugged materials (likely cast iron or reinforced metals) and protective coatings ensure long service life under demanding weather and load conditions

Watts 757N-BFG 4 - Part of the 757 Series ZA100F-3NH each affixed to an adapterThis 4 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line