NDS 422G Pop-Up Drainage Emitter with Elbow for 4-Inch Pipe | Green

Overview

A reliable drainage outlet helps manage stormwater and protect foundations, walkways, and landscape features. The NDS 422G Pop-Up Drainage Emitter with Elbow provides a discreet, downstream release that moves excess water away from structures and erosion-prone areas. In wet conditions, it offers a calm, controlled discharge path, which can reduce surface pooling and wear over time. The compact, low-profile design blends with the surrounding landscape while remaining ready to perform when needed.

Designed to work with standard 4-inch piping, this emitter connects to 4 in sewer and drain lines and can be paired with 4 in triple-wall pipe or adapters to fit additional configurations. When water pressure builds, the cover lifts up to release flow and then closes again as levels diminish. Installed correctly, the unit sits flush or just below adjacent turf to minimize trip hazards and keep mowing lines clean.

Key features and materials

• RELEASE WATER AWAY FROM PROPERTY: Redirect upstream water downstream to protect foundations and landscape.
• HOW IT WORKS: Operates at a low point to discharge water collected upstream and help prevent back-ups.
• INSTALLATION FLEXIBILITY: Elbow connects to 4 in. sewer and drain pipe and accepts adapters for other pipe types.
• LOW-PROFILE OPERATION: Pop-up cover rises up to about 1 in. under pressure and sits flush when not in use.
• ALL-WEATHER DESIGN: A small weep hole in the elbow drains residual water, helping reduce stagnation and freezing risks.

Material details

The cover is made of durable polyethylene, while the elbow is PVC, providing a sturdy, weather-resistant connection that can withstand outdoor use across seasons.

Practical installation and use cases

In residential setups, it works with catch basins, channel drains, trench drains, and drain grates as part of a complete drainage system. The flat profile helps the unit blend into lawns and landscaped areas, and installing the cover flush or slightly below turf helps minimize the chance of clipping with lawnmowers. For project planning, the NDS Home Drainage Center can help you match components to your site needs.

Note: This emitter is designed to contribute to effective stormwater management in conjunction with related drainage components. It is not a guarantee of performance but a dependable option to consider for redirecting water away from vulnerable spots in your landscape.