Brass compression fitting (coupling)

3421 20 × 3/4" internal thread brass compression fitting (coupling) — a reliable connector for metal-plastic pipes, used in water supply and heating systems. Designed to connect piping to threaded components, ensuring a leak-tight seal and stable system operation.

The fitting is suitable for installing residential and commercial plumbing systems, including hot and cold water supply systems, heating circuits, and connections to plumbing fixtures. The compression-type connection ensures easy installation without welding or complex tools.

The body is made of durable brass, resistant to corrosion, temperature fluctuations, and constant exposure to water. The 20 × 3/4" connection size makes the coupling a universal solution for connecting metal-plastic pipes to threaded system components.

Advantages of the 3421 fitting:

suitable for metal-plastic pipes;

connection size 20 × 3/4";

compression connection;

durable brass body;

tight and reliable connection;

suitable for heating and water supply;

corrosion resistance;

easy installation and maintenance.

The 3421 20 × 3/4" brass compression coupling will be a practical solution for creating a durable and reliable piping system in a house, apartment, or commercial space.