3/8" Drain Cap for Stop and Waste Valve, Pack of 2

3/8" Drain Cap for Stop & Waste Valve – Reliable Seal, Professional-Grade Fit

Designed specifically for use with stop and waste valves, this 3/8" drain cap offers a dependable solution for sealing drain ports during seasonal shutdowns or system maintenance. Manufactured from corrosion-resistant materials and precision-machined for a secure fit, these caps help protect plumbing systems from leaks, dirt intrusion, and unnecessary wear.

Each pack includes two caps, providing both a primary and a backup component for routine service or replacement. Ideal for contractors performing residential or light commercial plumbing work, this part is a standard must-have for cold weather prep and valve servicing.

Key Features

• Precision Fit – Threads securely onto 3/8" stop and waste valve drain ports to prevent leaks and debris entry.
• Corrosion-Resistant – Built to withstand typical exposure in plumbing systems, including moisture and mild chemical environments.
• Compact Design – Easily installed in tight access spaces without interference.
• Maintenance-Ready – Facilitates quick sealing during winterization or service shutoffs.
• Includes Two Caps – Convenient two-pack for service kits or multi-valve systems.

Technical Details

• Thread Size: 3/8 inch
• Material: Durable, corrosion-resistant polymer or metal (varies by model)
• Packaging: Pack of 2

Installation Notes

Thread the drain cap onto the valve’s waste port by hand until snug. Avoid overtightening. Always inspect sealing surfaces for debris or wear prior to installation. For winterization or maintenance work, ensure the valve body is drained before sealing the cap. Proper installation ensures leak-free performance and system longevity.

Built for Jobsite Use

This drain cap is a simple but critical component for contractors performing seasonal service, emergency repairs, or long-term plumbing system upkeep. It meets everyday demands for reliability, fit, and durability—especially in cold weather service conditions where secure shutoff is essential.

Product Highlights

• Protects system integrity during valve shutoff periods
• Supports maintenance and winterization procedures
• High compatibility with most 3/8" stop and waste valves
• Compact and service-friendly for tight-space installations

Trusted for Consistent Performance

Professionals depend on components that do their job without fail—and this 3/8" drain cap delivers. Whether used in new installations or service jobs, it’s a small part that plays a vital role in long-term system performance and leak prevention.