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"Pressure test plug 1/2\" blue"
Description
Pressure Test Plug 1/2" Blue
Pressure Test Plug 1/2" Blue is a proven solution for installation companies carrying out pressure tests on water and central heating systems.
The plug is designed for blanking off pipes and fittings during pressure tests carried out under water or compressed air pressure. The blue colour allows cold water supply points to be intuitively marked throughout the installation, making it easier to identify connections during the construction phase.
The G 1/2" thread with an o-ring seal ensures a secure connection — once tightened, the plug maintains a leak-free seal at pressures exceeding those used in standard pressure tests. This means it replaces single-use press-fit connectors, which generate unnecessary costs when testing incomplete installations.
Where does it perform best?
- Pressure testing of water and central heating systems – blanking open pipe ends prior to pressure testing
- Underfloor heating installations – securing circuits before concrete screed is poured
- Wall penetrations – protecting pipes from construction debris during finishing works
- Testing in sub-zero temperatures – enables pressure tests using compressed air in winter conditions
- Point identification – the blue colour makes it easy to identify cold water supply connections
Technical Specifications
- Connection thread: G 1/2" B
- Plug material: PP (polypropylene)
- Seal material: EPDM (o-ring)
- Colour: blue (cold water)
- Reusable: yes
Reusability is a key advantage — a single plug can be used across multiple successive projects, significantly reducing the cost of pressure testing per installation.
Bulk packaging offers a convenient storage solution. It ensures you never run short of plugs during works, and makes gathering materials for site faster and more efficient. The blue version is intended for marking cold water supply connections — a red version for hot water is also available, helping to maintain clarity and order throughout the entire installation.
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Technical data
| Product Type | Pressure Test Plugs |
| Size | 1/2" |
| Colour | Blue |