Plumbright Brass Flanged Backnut - 1/2 Inch - BFB12
Best current price£1.04from City Plumbing GB
Best offers
Shopping.co.uk recommended and popular offers
City Plumbing GB£1.04Visit shop Plumbright Brass Flanged Backnut 1/2 Bfb12
Visit shopCity Plumbing GB£1.04Visit shop One Offer
1 offer from £1.04
View price history by clicking the chart icon.
City Plumbing GBPlumbright Brass Flanged Backnut 1/2 Bfb12
Free delivery in 1–3 days
£1.04
Visit shop
Product Information
Full details
The Plumbright Brass Flanged Backnut (BFB12) is an essential component for professional plumbers and DIY enthusiasts who require a secure, long-lasting connection for 1/2 inch plumbing fixtures. Engineered for reliability, this flanged backnut provides a superior seal compared to standard plastic alternatives, ensuring leak-free installations in tight spaces; however, users should exercise caution during installation to avoid over-tightening the brass threads against softer pipe materials.
All features
| Model Part Number | BFB12 |
|---|---|
| Brand | Plumbright |
Extended Product Information
FAQs
Is this backnut compatible with plastic tailpieces?
Yes, it is compatible with standard 1/2 inch plumbing tailpieces, though care should be taken not to over-tighten against plastic threads.
Do I need plumbers tape with this nut?
Generally, the sealing is achieved through the flange and an appropriate washer; however, you may use a small amount of thread sealant if the connection involves pipe threads rather than a compression seal.
What is the primary advantage of brass over plastic?
Brass offers higher structural rigidity, is not prone to drying out or becoming brittle over time, and can handle significantly more torque during installation.
Can this be used for outdoor plumbing?
While brass is durable, it is primarily designed for indoor plumbing fixtures. Ensure the area is protected from extreme corrosive environments.
What size wrench do I need?
A standard basin wrench or an adjustable spanner is typically sufficient for securing the flanged backnut.
Troubleshooting
Difficulty threading onto the pipe
Back the nut off completely and check for debris in the threads. Ensure you are not cross-threading by rotating counter-clockwise until you feel the threads 'click' into place before tightening.
Water weeping from the connection
Ensure the washer between the flange and the surface is seated correctly. If the leak persists, verify that the tailpiece is not warped or damaged.
Pros and Cons
Pros
- Resistant to cracking and thermal expansion
- Superior strength compared to plastic backnuts
- Easy to tighten with standard plumbing wrenches
- Standardized threading for wide compatibility
Cons
- Requires careful handling to avoid cross-threading
- May be overkill for non-critical, low-pressure applications
- Conducts heat more readily than nylon alternatives
Setup, Compatibility & Care
To install the BFB12, ensure that the mating thread is clean and free of debris. Hand-tighten the backnut first to ensure it is properly aligned with the threads before applying any tool pressure. Avoid over-tightening, as brass is a firm material that can potentially damage delicate fixture casings if excessive force is used. For long-term care, inspect the connection during routine under-sink maintenance to ensure that no vibrations have caused the nut to loosen. Because it is brass, the nut is resistant to the common brittleness associated with aging plastic, meaning it will likely outlast the fixture it secures.