Stenner Injection Check Vlv [Series 45/85/100/170 3/8" Qty 5] (MCINJ38) presairtrol Because union parts vary by

Because union parts vary by pump series and connection style

Matching the correct straight-body design with standard niche support helps preserve intended fit and dependable performance

valve replacements

Waterway pump impeller

The Hayward screw pack is designed for compatible AquaNaut 200 and 400 cleaner applications where the correct #10 x 3 18-8 fasteners are needed

Stenner Injection Check Vlv [Series 45/85/100/170 3/8" Qty 5] (MCINJ38) presairtrol Because union parts vary byStenner Injection Check Vlv [Series 45 85 100 170 3 8" Qty 5] is a genuine Stenner Pumps replacement part designed to maintain one way chemical injection from the pump into the circulation plumbing. Chemical feeder systems depend on small connection, valve, and drive components working correctly, and replacing worn parts with the correct Stenner part number helps maintain consistent dosing and dependable system performance. Use part number MCINJ38