Nibco - 1/2" Sweat Boiler Drain

The NIBCO® 1/2" Multi-Turn Boiler Drain is designed to ensure smooth operation and ease of access in low-pressure water systems. Featuring a screw-in bonnet and a durable, dezincification-resistant brass body, this valve is built to withstand harsh conditions while providing reliable flow control. Ideal for commercial and residential boiler systems, the NIBCO Multi-Turn Boiler Drain offers a secure hose connection for efficient drainage and water management.

Key Features:

• 1/2" multi-turn boiler drain for precise flow control
• Screw-in bonnet for enhanced durability and leak prevention
• Constructed from dezincification-resistant brass for long-lasting use
• Buna-N seat ensures a reliable, watertight seal
• Fits to hose connections for versatile water drainage
• Maximum operating pressure of 125 PSI at 100°F
• Handles temperatures up to 180°F (82.2°C)

Construction & Durability:

• Body: Cast Copper-Based Alloy (C84400)
• Bonnet: Cast Copper-Based Alloy (C84400)
• Stem: Cold-formed Copper Alloy
• Seat Disc: Buna-N for optimal sealing
• Seat Disc Screw: Stainless Steel, Type 410
• Packing Nut: Free Cutting Brass - ASTM B16
• Packing: Graphite Impregnated, Asbestos-Free
• Handwheel: Epoxy Coated Zinc Alloy for corrosion resistance
• Handwheel Screw: Carbon Steel with Clear Chromate Finish

Performance & Functionality:

• Designed for use in low-pressure water systems
• Handles up to 125 PSI at 100°F
• Maximum temperature rating of 180°F (82.2°C)
• Multi-turn operation for controlled water release
• Perfect for draining water lines, boiler systems, and more

Ease of Installation & Use:

• Compatible with standard hose fittings
• Multi-turn mechanism allows for precise flow control
• Screw-in bonnet design simplifies maintenance and installation
• Compact size for versatile installation options

Technical Specifications:

• Nominal Size: 1/2"
• Dimensions (B): 3 3/8"
• Approx. Net Weight: 0.40 lb
• Maximum Pressure Rating: 125 PSI at 100°F
• Maximum Temperature: 180°F (82.2°C)
• Thread Type: Screw-in bonnet
• Material: Brass (Dezincification Resistant)
• Seal Material: Buna-N

Installation & Application:

• Recommended for use in low-pressure water systems, boiler drain applications, and water line drainage
• Compatible with standard hose fittings for quick and easy attachment
• Ideal for residential and commercial boiler applications
• Durable construction ensures long-term reliability

Compatibility & Optional Accessories:

• Compatible with standard hose connections
• Pairs with hose caps and protective covers for enhanced durability