Wavin HepvO BV1B/UB Sanitary Waste Valve - 1-1/2 in (BV1BUB112)

Overview

The Wavin HepvO sanitary waste valve BV1B/UB (model BV1BUB112) is designed to close the waste connection beneath a fixture, helping to limit sewer air from entering living spaces. It uses a self-sealing membrane rather than a traditional water trap to create a seal, which can support a compact, maintenance-friendly waste system.

By relying on a membrane seal instead of trapped water, HepvO aims to reduce issues tied to evaporation, siphonage, or cracking in freezing conditions. The result is a design that can blend with modern plumbing layouts while preserving performance and potential odor containment in the living area.

Key benefits to consider

• Self-sealing membrane replaces the need for a water-filled trap, reducing maintenance steps.
• Seal remains functional across varying water content, potentially improving reliability of the waste line.
• Freeze-resistant operation helps protect the seal in cold environments.
• Compact form supports streamlined plumbing layouts and system efficiency.
• Designed to close the waste path beneath fixtures to help contain odors and sewer air.

Common applications

• Lavatories
• Bathtubs
• Sinks
• Bidets
• Washing machines
• Dishwashers
• Garbage disposals
• Showers
• Overflows or other waste outlets

Specifications

• Model number: BV1BUB112
• Country of Origin: China
• Brand name: HEPVO

Daily use and installation notes

In typical residential settings, the HepvO valve sits below a fixture to prevent direct escape of sewer air while remaining compact for tight spaces. While not guaranteeing performance, users may appreciate its seal design as a potential simplification in some waste installations.

For installers and homeowners, the valve is well suited for a range of fixtures in bathrooms and laundry areas where a compact, seal-focused approach can contribute to a cleaner, quieter waste system. The product is listed under the HEPVO brand, reflecting a global approach to sanitary waste management.