Spears PVC Utility Backwater Valve Kit, Socket Connection

Spears PVC Utility Backwater Valve Kit, Socket Connection

The Spears PVC Utility Backwater Valve Kit is a 4" socket (SOC) connection valve engineered to prevent sewage and wastewater from backing up into a building's drain lines during sewer surcharge, flooding, or main-line blockage events. Constructed from durable PVC, this backwater valve kit is built for dependable, long-term performance in residential and light commercial drain-waste-vent (DWV) systems. The kit ships complete as a ready-to-install 1 ea unit, sized for standard 4" PVC drain piping, and is intended for solvent-weld installation by licensed plumbing and drainage professionals.

Key Features

• Trade Size: 4" connection sized to match standard residential and light commercial drain lines.
• Durable PVC Construction: Molded PVC body resists corrosion, chemical attack, and degradation common in wastewater and sewer-gas environments.
• Socket (SOC) Connections: Solvent-weld socket ends create a secure, leak-resistant joint directly to 4" PVC drain piping without additional adapters.
• Backflow Prevention Design: Internal check-valve mechanism closes under reverse flow conditions to block sewage and wastewater from re-entering the structure.
• Complete Utility Kit: Supplied as a single, complete 1 ea kit with all components needed for the backwater valve installation, minimizing additional sourcing.
• Drain Line Protection: Reduces risk of costly water damage and contamination from sewer backup during heavy rain events or municipal line surcharge.

Technical Specifications

• Size: 4"
• Product Type: Valve
• Packaging: 1 ea

Typical Applications

• Residential Drain-Waste-Vent (DWV) Systems
• Commercial and Light Industrial Sewer and Drain Lines
• Backflow and Flood Prevention Retrofits for Existing Homes
• New Construction Drain Piping Installations
• Renovation and Repair of Existing Drain and Waste Lines
• Basement and Lower-Level Fixture Protection from Sewer Surcharge

Why Spears?

Spears is a recognized manufacturer of PVC piping components engineered for reliable, long-service performance in demanding drain, waste, and sewer applications. This Utility Backwater Valve Kit's all-PVC construction and socket-weld (SOC) connections are built to deliver a dependable, code-compliant solution for preventing costly sewage backflow into residential and commercial structures. Choosing Spears means specifying a component designed for consistent field performance and straightforward solvent-weld installation.