T&S Brass 003164-45 Spring Check Plunger for Eterna Cartridges

The T&S Brass 003164-45 is a spring check plunger designed for use with Eterna cartridges with spring checks in commercial faucet assemblies. This precision-engineered replacement component regulates water flow and prevents backflow in high-use foodservice and commercial plumbing applications.

Key Features:

• 5/8-inch outer diameter for compatibility with standard T&S cartridges
• Durable plastic body with rubber seat disc for reliable sealing
• 7/8-inch overall height fits seamlessly within various plumbing setups
• Low lead content meets NSF 372 requirements for potable water safety
• NSF 61 Section 9 certified for drinking water system components

This OEM replacement part is ideal for restaurant kitchens, bar faucets, hospitality settings, and other commercial plumbing environments where consistent water control and backflow prevention are essential. The rubber seat disc provides flexibility and an effective seal against leaks, while the plastic construction offers excellent corrosion resistance for prolonged service life.