Description
The air admittance valve 32-50mm is a multi-fit solvent weld waste fitting designed for waste pipe ventilation on 32mm, 40mm and 50mm solvent weld systems. The fitting can be separated down to the required size, making it a useful stock item for a range of waste pipe installations.
This unbranded solvent weld air admittance valve is suitable for use with compatible solvent weld waste pipe systems. It is available in White, Olive Grey and Black to match common waste pipe colours.
Air Admittance Valve for Solvent Weld Waste
The air admittance valve helps allow air into the waste pipework, reducing the chance of trap seal pull where suitable. It is a practical option for basin, sink, bath, shower and general waste pipe installations where a compact venting solution is required.
- Multi-fit air admittance valve for solvent weld waste systems
- Suitable for 32mm, 40mm and 50mm waste pipe sizes
- Can be separated down to the required fitting size
- Available in White, Olive Grey and Black
- Useful for basin, sink, bath and shower waste pipework
- Helps admit air into waste pipe systems where suitable
- Compact fitting for tight plumbing spaces
- Unbranded trade waste fitting
Multi-Fit 32mm, 40mm and 50mm Design
This air admittance valve is designed as a multi-size fitting. The stepped body can be split or reduced to suit the required waste pipe size, giving one fitting that can cover 32mm, 40mm and 50mm solvent weld waste installations.
Before fitting, check the pipe size, colour and installation requirements. Use the correct solvent weld method for the pipe system and make sure the valve is installed in a suitable position for access and airflow.
Solvent Weld Waste Fittings at TWS
This air admittance valve is part of our solvent weld waste pipe and fittings range. You can also browse related waste pipe, bends, couplers, clips, branches, reducers and access fittings below.
View solvent weld waste pipe and fittings at TWS.
Shop waste pipes and traps at TWS.
For general UK drainage and waste pipe guidance, see Approved Document H: Drainage and waste disposal.












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