pressefittings

Press fittings, also known as press-in fittings or crimp fittings, are a plumbing connection system that utilizes mechanical force to create a watertight seal. Unlike traditional threaded or soldered connections, press fittings do not require heat or pipe dope. The system typically consists of a fitting body, often made of brass, copper, or stainless steel, and a specialized press tool.

When a press fitting is installed, the tool engages with a specific area of the fitting and applies significant pressure. This pressure deforms the fitting and the pipe inserted into it, compressing a sealing element, usually an O-ring, against the pipe wall. This compression creates a secure and leak-proof joint. The process is generally faster and more consistent than traditional methods, reducing labor time and the potential for human error.

Press fitting systems are commonly used in residential and commercial plumbing for water supply lines, hydronic heating systems, and sometimes for gas lines, depending on the specific product approval and local codes. They are available in various sizes and configurations to accommodate different pipe diameters and connection types. The reliability and speed of installation have made press fittings a popular choice in modern plumbing applications. It is essential to use the correct press tool and jaws designed specifically for the brand and type of press fitting being installed to ensure a proper and durable connection.