This 3/4 IN hose bibb vacuum breaker backflow preventer is designed specifically for wall and yard hydrants to prevent the reverse flow of polluted water from entering into the potable water supply due to back-siphonage. It consists of brass body construction, stainless steel working parts, a rubber diaphragm and disc, and a draining stem. It permits manual draining for freezing conditions. The maximum pressure is 125 PSI (8.6 BAR).

Hose Connection Vacuum Breaker, Series/Model: Series NF8, Nominal Size: 3/4 IN, Connection Type: FNPT X MNPT, Pressure Rating: 125 PSI, Brass Body Material, Industry Standards: C/US CSA Certified B64.1.1, UPC Approved, ASSE 1001 Approved, ANSI A112.1.1, IAPMO Certified, Temperature Rating: 180 DEG F, Length: 2 IN, 1-1/2 IN Width

• Brass body
• Durable rubber diaphragm and disc for consistent positive seating
• No special tools are required for servicing
• Manual drain

• Brochure https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0061854_Brochure.pdf
• Instruction/Installation Manual https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0061854_Instruction_Installation_Manual.pdf
• Specification Sheet https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0061854_Specification_Sheet.pdf
• Warranty Information https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Watts_0009108_Warranty_Information.pdf