4 inch Metal Wing Nut Test Plug

EZ-FLO Metal Wing Nut Test Plug — 43437, 4 Inch

The EZ-FLO 43437 Metal Wing Nut Test Plug is a heavy-duty, reusable plug designed for 4-inch drain, waste, and vent (DWV) systems. Built with a metal wing nut and zinc-plated hardware, it provides a tight, durable, and corrosion-resistant seal during pressure testing or temporary pipe sealing. The expandable rubber gasket ensures a watertight fit, while the tool-free wing nut design allows for quick installation and removal, making it ideal for both residential and commercial plumbing applications.

• Model number 43437 identifies this EZ-FLO Metal Wing Nut Test Plug for 4-inch DWV piping systems.
• Engineered for sealing and testing drain, waste, and vent pipes during installation or repair.
• Equipped with a metal wing nut for easy hand-tightening—no tools required.
• Features a neoprene or natural rubber gasket that expands uniformly for a secure, watertight seal.
• Constructed with zinc-plated steel hardware for corrosion resistance and long service life.
• Reusable design provides durability and cost-effectiveness across multiple applications.
• Ideal for residential, commercial, and industrial plumbing testing and maintenance.

Technical Data & Performance

• Type: Mechanical test plug
• Brand: EZ-FLO
• Model: 43437
• Size: 4 inches
• Plug Type: Wing nut expansion plug
• Nut Type: Metal wing nut for manual tightening
• Gasket Material: Durable rubber for consistent sealing under pressure
• Hardware Material: Zinc-plated metal components for corrosion resistance
• Pressure Rating: Suitable for standard DWV system testing pressures
• Seal Type: Expanding rubber gasket creates watertight seal
• Installation: Tool-free operation; simply tighten the wing nut to expand the gasket
• Reusability: Designed for multiple test cycles with reliable performance
• Application: Pressure testing and temporary sealing of 4-inch DWV lines
• Environment: Suitable for residential, commercial, and light industrial plumbing systems
• Compliance: Meets plumbing industry standards for DWV testing applications
• Provides a secure, leak-resistant, and reusable solution for sealing and testing 4-inch plumbing systems.