Quick-Connect Push-Fit Fittings for Modern Plumbing & Heating Installations

Coliter® provides high-performance push-fit plumbing fittings featuring advanced compression ring technology for fast, tool-free, and leak-free connections on copper, PEX, and multilayer composite pipes. Our range includes couplings (GJ3005/GJ3006), elbows (GJ3002/GJ3009), tees (GJ3010), 6-way bridge manifolds (GJ3019/QF3019), and reducing unions—all designed for potable water, heating, and gas applications. With dual O-ring seals and stainless steel grip rings, these fittings ensure long-term reliability, vibration resistance, and compliance with GB/T standards, making them ideal for residential retrofits and commercial installations.