Backflow Preventer Reduced Pressure Zone Assembly With Ball Valve And Strainer, Series/Model: Series 995-QT-S, Nominal Size: 1/2 IN, Pressure Rating: 175 PSI, Temperature Rating: 180 DEG F, Copper Body Material, Finish/Color: Electroless Nickel Plated, 12 IN Width, 7-1/4 IN Height, Lead Free: Yes

• Bottom mounted relief valve reduces end-to-end dimensions allowing smaller enclosures and space requirements
• separate relief valve access cover allows the check modules to be serviced independently of the relief valve
• Unique relief valve cover nut design eliminates use of cover bolts and simplifies alignment
• Flexible stainless steel braided hose, senses supply pressure at the midpoint of the body to reduce fouling
• Check relief valve seats are replaceable without the use of special tools
• Crush sea/check module o-ring for positive seating

• Instruction/Installation Manual https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_050995QTSBP_Instruction_Installation_Manual.pdf