Description
40mm Threaded Knuckle Bend / Cap & Lining Elbow – PVC Drainage Fitting for Waste Systems (Caravan, RV & Residential Use)
The 40mm Threaded Knuckle Bend / Cap & Lining Elbow is a practical plumbing fitting designed for controlled direction changes and secure terminations in drainage and waste systems. Featuring a threaded connection, it allows easy installation, removal, and maintenance—making it ideal for applications where access may be required.
Constructed from durable PVC, this fitting offers excellent resistance to corrosion, moisture, and everyday wear. The smooth internal design promotes efficient water flow while maintaining a reliable, leak-resistant connection.
Perfect for both residential and mobile applications, this threaded elbow is commonly used in bathrooms, laundries, kitchens, caravans, RVs, and tiny homes where compact, serviceable plumbing solutions are essential.
Key Features
- 40mm threaded knuckle bend / elbow fitting
- Cap & lining design for neat pipe termination
- Threaded connection for easy removal and maintenance
- Durable PVC construction for long-term reliability
- Corrosion and moisture resistant
- Smooth internal flow for efficient drainage
- Compact design ideal for tight spaces
- Lightweight and easy to install
- Suitable for indoor and outdoor use
Applications
- Bathroom and basin waste systems
- Laundry and utility drainage
- Kitchen sink plumbing
- Caravan, RV, and camper plumbing
- Tiny homes and compact living spaces
- Residential and light commercial plumbing
What’s Included
- 1 × 40mm Threaded Knuckle Bend / Cap & Lining Elbow
Technical Specifications
- Product Type: Threaded Knuckle Bend / Cap & Lining Elbow
- Size: 40mm
- Material: PVC
- Connection Type: Threaded (serviceable connection)
- Colour: Standard PVC finish
- Application: Drainage and waste systems
- Installation: Screw-fit connection with compatible fittings
- Pressure Rating: Gravity-fed drainage systems
Why Choose Plenty River
At Plenty River, we supply plumbing solutions designed for Australian conditions — combining durability, practicality, and reliability.
- ✔ High-quality PVC fittings for long-term performance
- ✔ Threaded design for easy maintenance and servicing
- ✔ Suitable for residential and mobile applications
- ✔ Ideal for caravans, RVs, and compact plumbing setups
- ✔ Trusted by plumbers, builders, and DIY users
- ✔ Local support and expert product knowledge