The Viega ProPress 1/2" Copper Street Elbow is a high-quality copper press fitting designed to create a 45-degree directional change in potable water, hydronic heating, compressed air, and other approved piping systems. Featuring a 1/2" press connection and 1/2" street (FTG) end, this fitting allows for compact installations while reducing the number of required connections.

Built with durable copper construction and Viega's trusted Smart Connect® technology, the 77637 fitting helps identify unpressed connections during pressure testing, providing added confidence and reliability on every installation. Its flameless press design eliminates the need for soldering, reducing installation time and improving jobsite safety.

Features & Benefits

• 1/2" Press x 1/2" Street (FTG) connection
• Creates a 45° directional change in copper piping systems
• Durable copper construction
• Smart Connect® technology helps detect unpressed connections
• Fast, secure, flame-free installation
• Compatible with ASTM B88 copper tubing
• Suitable for potable water, hydronic heating, compressed air, and other approved applications
• Zero-lead compliant and code-approved for applicable installations

Specifications

• Manufacturer: Viega
• Part Number: 77637
• Connection Type: Press x Street (FTG)
• Size: 1/2" x 1/2"
• Angle: 45°
• Material: Copper
• Maximum Temperature: Up to 250°F
• Maximum Operating Pressure: Up to 200–300 PSI depending on application requirements

Ideal for professional plumbing and mechanical contractors seeking reliable, leak-resistant copper press connections with the speed and efficiency of the Viega ProPress system.