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"Pressure test plug 3/4\" red"
Description
Pressure Test Plug 3/4" Red
Pressure Test Plug 3/4" Red is a proven solution for installation companies carrying out pressure tests on domestic water and central heating systems.
The plug is designed for blanking off pipes and fittings during pressure tests conducted with water or compressed air. The red colour provides an intuitive way to mark hot water connection points within the system, making it easier to identify outlets during the construction phase.
The G 3/4" thread with an o-ring seal ensures a secure connection — once fitted, the plug maintains a leak-tight 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 – protecting circuits before the concrete screed is poured
- Wall penetrations – shielding pipes from construction debris during finishing works
- Testing in sub-zero temperatures – enables pressure tests using compressed air in winter conditions
- Point identification – the red colour simplifies identification of hot water connections
Technical Specifications
- Connection thread: G 3/4" B
- Plug material: PP (polypropylene)
- Seal material: EPDM (o-ring)
- Colour: red (hot water)
- Reusable: yes
Reusability is the key advantage — a single plug can be used across multiple successive projects, significantly reducing the cost of pressure testing per installation.
The red version is intended for marking hot water connections — a blue version for cold water is also available, allowing clear colour-coding and organisation throughout the entire installation.
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Technical data
| Product Type | Pressure Test Plugs |
| Size | 3/4" |
| Colour | Red |