Compression Adapter Varioterm GW3/4" x 16x2 white for TWINS valves (ZZ16X206)

The Varioterm compression adapter GW 3/4" x 16x2 in white is designed to connect 16x2 mm pipes to TWINS radiator and heating valve bodies using a GW 3/4" threaded female port. The adapter provides a compact transition between a compression-style pipe connection and a standard valve thread, enabling a mechanical and hydraulic seal suitable for residential and commercial heating installations where a reliable, low-profile connection is required.

Advantages

The adapter delivers a straightforward mechanical connection between plastic or multilayer 16x2 piping and TWINS valve fittings without the need for soldering or complex tools. Its white finish integrates with common radiator and valve aesthetics. The design provides a sealed compression outlet that reduces the risk of leaks when installed according to manufacturer guidance and allows quick assembling and disassembling during maintenance or replacement of valve components.

Suitable for

• Connecting 16x2 mm pipes to TWINS radiator valves with a GW 3/4" female thread
• Residential central heating systems and apartment radiators
• Commercial heating installations requiring compact valve transitions
• Maintenance or replacement of existing valve connections without pipe rework

Key specifications

• Connection type: threaded female GW 3/4" to compression 16x2 mm
• Pipe compatibility: 16 mm outer diameter, 2 mm wall thickness
• Finish: white
• Function: mechanical compression connection for radiator/valve assemblies
• Application: hot water heating systems (radiators, towel rails, convectors)

How to use

Prepare the 16x2 pipe by cutting it square and deburring the cut edge. Slide the compression nut and ring (if separate) onto the pipe, insert the pipe end fully into the adapter’s compression outlet, then tighten the compression nut to the adapter body until a secure mechanical seal is achieved. Thread the adapter’s GW 3/4" female end onto the valve spindle or valve body and tighten to the recommended torque for the valve connection. After assembly, pressure-test the system according to local standards to verify the integrity of the connection.

Usage recommendations

Use compatible 16x2 pipes and follow valve manufacturer torque and assembly guidance. Avoid overtightening the compression nut; ensure pipe ends are clean and free of deformation. Inspect the connection during initial pressurization and after the first heating cycle to confirm leak-free operation.