Watts LFM115 300 B 10 75 LS 8 Part of the LFM115 Series ZC100F 3NH Specifications Body Material Cast Iron Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO FreeArea 157 IN Lead Free Not In Scope Outlet Connection Size 3 IN Outlet Connection Type No Hub OverflowDome Yes OverflowDrain Internal Standpipe Specification Sheet RD 700 This second check repair kit provides all the parts necessary to repair or replace the second check on a 2 1 2 to 4 inch double check valve assembly backflow preventer Features Body construction with patented 3 part ArmorTek epoxy coating for advanced corrosion resistance configured with inlet and outlet gauge ports