1 / 2Invena 23 1/2-inch BSP Chrome-Plated Brass Pipe Extension, 50 mm
Invena 23 is a 50 mm female-to-male threaded pipe extension with a 1/2-inch BSP thread and a chrome-plated brass body. It is intended to extend tap or fitting connections where extra clearance is needed, but thread compatibility and the required extension length matter for installation.
At a glance
- Female-to-male 1/2-inch BSP threaded extension, listed as 50 mm long.
- Chrome-plated brass construction, intended for bib taps and extending fitting connections.
- The product description also names discharge-valve and radiator-valve connections as possible uses.
Reference price: £9.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- The stated female-to-male BSP connection and 50 mm length make the intended fitting and extension size clear.
- Chrome-plated brass construction may suit a visible tap connection where a chrome finish is wanted.
- The described uses include compensating for wall thickness and moving a tap further from the wall.
Technical specifications
12 specifications| Brand | Invena |
|---|---|
| Model | 23 |
| Thread type | BSP |
|---|---|
| Thread size | 0.5 inch |
| Connection | Threaded |
| Length | 50mm long |
| Weight listed | 100 Grams |
| Material listed | Brass |
|---|---|
| Colour | Chrome |
| Number of pieces | 1 |
|---|
| Maximum working pressure | 1,0MPa (10 bar) |
|---|---|
| Maximum working temperature | +100C |
What to know before buying
- The description gives the working pressure as 1,0MPa (10 bar) and the maximum working temperature as +100C. Treat these as manufacturer claims, not independently verified limits, and confirm they suit the installation.
- The listing uses 1/2-inch BSP and also shows 15 mm in its title. Confirm the required thread standard and fit for your particular connection before ordering.
Who is it for?
A good fit for
- Buyers extending a compatible 1/2-inch BSP tap or fitting connection by 50 mm.
- Installations where a chrome-plated brass extension is preferred for a visible connection.
- Users compensating for wall thickness or seeking extra clearance at a tap, fitting or radiator valve.
Less suited to
- Buyers needing a different thread size or extension length.
- Anyone requiring independently verified pressure or temperature performance.
Customer reviews on Amazon
- 5 stars
69% 69% - 4 stars
16% 16% - 3 stars
7% 7% - 2 stars
3% 3% - 1 star
5% 5%
Customer feedback describes the fitting as nicely machined, as described and functional, while reports about fit are mixed, with some saying it fits easily and others less certain. That distinction is relevant for a threaded part: the stated 1/2-inch BSP size and 50 mm length define the intended connection, but feedback does not establish compatibility with every installation.
Positive themes
- Customers describe the fitting as nicely machined and functional.
Mixed feedback
- Fit feedback is mixed, with some finding it easy to fit and others reporting varied experiences.
Frequently asked questions
What thread size does this extension use?
The listing specifies a 1/2-inch BSP female-to-male threaded connection. Check that this matches both sides of your installation.
How long is the extension?
The selected item is listed as 50mm long. Other lengths appear in the general product description, so confirm the chosen variant is the 50 mm one.
What is it made from?
The material is listed as brass, and the description specifies chrome plating.
What uses does the listing describe?
It names bib taps, fitting connections, discharge valves and radiator-valve connections, including extending a valve to address clearance.
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