Fleck (61991) Male Threaded Noryl Connection Adapter Kit for 5810-5812 Series (2 Pack) Hanna (HI3831F) Chlorine - Range (0.0-2.5 mg/L) 🔧 Pro tip: Apply a

🔧 Pro tip: Apply a thin layer of plumber's grease to the faucet threads before installing the diverter valve to ensure a watertight seal and make future removal easier

UV-1 Specific

Use finer mesh (60–140) for sprinkler systems

Low Pressure

Fleck (61991) Male Threaded Noryl Connection Adapter Kit for 5810-5812 Series (2 Pack) Hanna (HI3831F) Chlorine - Range (0.0-2.5 mg/L) 🔧 Pro tip: Apply aThis Fleck 61991 Male Threaded Noryl Connection Adapter Kit provides a complete NPT threaded connection solution for 5810 and 5812 series control valves. Each 2 pack includes all necessary hardware: two adapters, two nuts, two o rings, and two white retaining clips for secure, leak free installation. SPECIFICATIONS What's Included Adapters 2 Male NPT threaded Noryl Fastening Nuts 2 Secure mounting hardware O Rings 2 Seal components included Retaining