Studor

Studor 20381 Redi-Vent Air Admittance Valve with Recessed Box & Grill – White

High-performance tools and home improvement made for confident daily results

$52.99

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Why customers choose TaskHolt Tools

Efficient, roof-friendly venting for drains

The Studor 20381 Redi-Vent Air Admittance Valve with Recessed Box and Grill offers a compact venting solution that helps protect water seals in traps without roof penetrations or extensive vent piping. This setup delivers a clean, streamlined look under a sink or in a cabinet, while providing the essential venting capability that fits typical drainage layouts.

How it works and where it shines

When traditional roof vents aren’t practical, the Redi-Vent allows air to enter the drainage system to balance pressure as water drains. This helps prevent trap siphonage and gurgling noises. The recessed box conceals the valve for a neat appearance, yet remains accessible to meet local code requirements. The included grill adds a finished touch while staying out of sight when not in use.

  • Includes Redi-Vent Air Admittance Valve
  • Connects to 1-1/2 inch or 2 inch ABS or PVC piping
  • One-piece construction with a built-in mounting flange; no extra framing needed in a stud bay
  • Snap-on grill conceals the AAV from view and preserves accessibility for testing
  • White recessed box with grill measures 6-5/8 inches wide by 8 inches high
  • Compact, cabinet-friendly design ideal for tight spaces
  • Minimal disruption to existing layouts with proven compatibility
  • Industry-first integrated test cap simplifies verification during installation

In settings where cabinet installation is preferred or required, the Recessed Box provides aesthetics plus easy access to the valve, aligning with common code requirements while keeping maintenance straightforward. The design aims to balance function with a clean, unobtrusive look.

Dimensions and compatibility

Box dimensions are 3.625 inches in length, 5.875 inches in width, and 7.125 inches in height. The grill measures 8 inches by 6.625 inches. The system connects to 1-1/2 inch or 2 inch ABS or PVC piping and is compatible with Mini-Vent, Tec-Vent, or Redi-Vent AAVs. The recessed box is white and includes a built-in test cap for convenient checks.

From the manufacturer, the recessed box conceals valves while providing required accessibility. The integrated test cap is designed to streamline testing during installation and routine checks, helping to keep drainage work on track without compromising appearance.

FAQ

Q: What is the Studor 20381 Redi-Vent with Recessed Box?

A: A venting solution that uses an air admittance valve with a recessed box and grill to meet code-required accessibility without roof penetrations.

Q: What are the dimensions and piping compatibility?

A: Box 3.625 x 5.875 x 7.125 inches; grill 8 x 6.625 inches; connects to 1-1/2 or 2 inch ABS/PVC; compatible with Mini-Vent Tec-Vent or Redi-Vent AAVs.