3 inch Brass Countersunk Cleanout Plug

3 inch Brass Countersunk Cleanout Plug – Machined for Durability and System Access

Engineered for professional-grade performance, the 3 inch Brass Countersunk Cleanout Plug provides a dependable solution for sealing cleanout access points in drainage systems. Manufactured from solid brass, this plug delivers resistance to corrosion, mechanical stress, and environmental exposure—making it ideal for long-term use in both commercial and residential drain waste systems.

Performance Features

• ✅ Solid Brass Fabrication Designed for durability in high-moisture environments; resists dezincification and pitting.
• ✅ Countersunk Head Flush profile allows the plug to sit evenly with the surface of cleanout hubs, minimizing protrusions in high-traffic or finished areas.
• ✅ Thread Integrity Machined NPT threads support secure engagement with cast iron, PVC, or brass cleanout fittings to ensure a reliable seal.

Installation Guidance

Installation is straightforward using a standard countersunk plug wrench or square-head driver. For best results, apply an appropriate thread sealant or PTFE tape to prevent leakage and ensure easy future removal for maintenance.

• Apply sealant or PTFE tape to the male threads.
• Insert and hand-tighten, then finish with a plug wrench until snug.
• Do not overtighten, as this may damage threads or fitting.

Specifications

• Size: 3 inch
• Material: Cast and machined brass
• Thread Type: Male NPT (National Pipe Tapered)
• Design: Countersunk head for flush-mount access
• Usage: Cleanout plug for drainage, waste, and vent (DWV) systems

Applications

Used in cleanout tees and fittings across DWV systems, this plug provides critical access points for system inspection and maintenance. Suitable for cast iron, brass, or Schedule 40 PVC installations, it is commonly installed in utility rooms, crawlspaces, basements, and exterior drainage lines where flush-mounted access is preferred.

Note

Brass is the preferred material for cleanout plugs in corrosive environments due to its long service life and high tolerance to thermal and chemical fluctuations.

Specify the 3 inch Brass Countersunk Cleanout Plug for projects requiring a rugged, code-compliant access solution that minimizes system exposure while ensuring accessibility for ongoing service and maintenance.