Watts LF174A 090 FS 1 1 4 Part of the LF174A Series geogrid Waterproofing & Debris Control Integration: Waterproofing & Debris Control Integration: Designed to interface securely with the floor’s waterproofing membrane and includes a grate or strainer mechanism that helps block debris from entering the drainage path Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 1579 GPM Disc Material Aluminum Bronze EAN 098268503944 Inlet Connection Size 6 IN Inlet Connection Type Lug Lead Free Yes Maximum Operating Temperature Fahrenheit 248 Maximum Working Pressure PSI 200 Minimum Temperature Fahrenheit 5 Operating Torque Dry 1542 in lbs Operating Torque Wet 907 in lbs Outlet Connection Size 6 IN Outlet Connection Type Lug Part Number 0526828 Seat Material EPDM Series BF03 121 Silicone Free Yes Stem Shaft Material 416 Stainless Steel Valve Style Lug Specification Sheet BF03 121 Set pressure 90 psi This valve can be used for hot water space heating boiler applications to protect against excessive pressure