The Stenner Pumps MCINJ38 Duckbill Check Valve is a Santoprene replacement component designed for compatible Classic and Econ Series pumps. This 5-pack supports 3/8" tubing systems by helping maintain proper one-way flow in chemical feed and metering applications.

Key Features

• Designed for compatible Stenner Classic and Econ Series pumps requiring 3/8" duckbill check valve replacements.
• Santoprene valve construction supports reliable performance in approved chemical feed applications.
• Duckbill check valve design helps maintain one-way flow and prevent backflow in the system.
• 5-pack configuration provides multiple replacement valves for maintenance and service needs.
• Suitable for pool, spa, water treatment, and chemical metering pump systems.
• Helps maintain consistent dosing performance by supporting proper fluid direction.
• Proper installation helps reduce system issues and supports long-term pump operation.

Product Overview

The Stenner Pumps MCINJ38 Duckbill Check Valve Santoprene 3/8" 5 Pack is used to maintain proper fluid direction in compatible chemical feed systems. As a one-way valve, it helps prevent backflow, which is critical for maintaining accurate dosing and protecting system components.

This replacement set is ideal for service technicians, pool professionals, and maintenance teams working with Classic and Econ Series pumps. Routine replacement of check valves helps ensure consistent chemical delivery, reduce maintenance issues, and support reliable operation in pool, spa, and water treatment applications.