VIEGA transition coupling with female thread 35x1" bronze, model 107857

VIEGA transition coupling with female thread 35x1" bronze (model 107857) is a metal plumbing fitting designed to create a reliable transitional connection between a 35 mm pipe and a 1" threaded component. Manufactured from bronze, this coupling is intended for water and heating systems where a corrosion-resistant, mechanically robust joint is needed. The part offers compatibility with standard threaded fittings and is suitable for both residential and light commercial installations.

Advantages

The bronze construction ensures good corrosion resistance and long-term dimensional stability in typical domestic and heating environments. The female 1" thread provides straightforward compatibility with common threaded valves and components, while the 35 mm connection allows secure mating with pipes or adapters of the same diameter. The coupling is engineered for a compact footprint and straightforward assembly, minimizing installation complexity and supporting reliable sealing when installed with appropriate sealing materials.

Suitable for

• Joining 35 mm pipes to 1" threaded valves or fittings in water systems
• Hot water and central heating connections in residential buildings
• Transition points where a durable metal coupling is preferred over plastic alternatives
• Repair or retrofit work requiring a threaded connection to existing components

Key specifications

• Material: bronze
• Connection type: female threaded coupling
• Thread size: 1" (female)
• Pipe connection diameter: 35 mm
• Intended media: cold and hot water, heating circuits

How to use

Ensure mating threads and the 35 mm pipe end are clean and free of debris. Apply an appropriate thread sealant or tape to the male thread of the mating component according to manufacturer recommendations and local codes. Hand-start the coupling on the male thread to avoid cross-threading, then tighten with suitable tools until secure, taking care not to over-torque which could damage threads. For the 35 mm connection, assemble the corresponding pipe or adapter per its installation method and confirm a leak-free joint before putting the system into operation.

Usage recommendations

Use compatible sealing materials rated for potable water and the operating temperature of the system. Verify material compatibility with system media and follow applicable plumbing standards and local regulations during installation and testing.