Plumbing accessory for temporary sealing and low-pressure testing of drains and sewers. Provides tradespeople and DIYers with a reliable, reusable seal during repairs. Is the AB Tools Nylon Drain Test Plug the simplest way to isolate a 4-inch drain for testing?
⚡ At a Glance
- • Sealing Performance: Centre-locking nylon plate creates a secure seal for low-pressure air and water tests
- • Best for: Plumbers and DIYers needing a quick, temporary seal during repairs and diagnostics
- • Not ideal for: Permanent seals or high-pressure pipeline applications
Nylon centre-locking test plug sized for 4-inch (100mm) pipes. Designed for temporary sealing and low-pressure testing of drains and sewers.
Watertight temporary seals – with centre locking nylon plate
Centre locking plates apply even pressure across the nylon bung, pressing the plate against the pipe bore to create a seal for air or water testing.
Secure watertight performance for repair work and low-pressure diagnostics, preventing leaks while work is carried out.
Adaptable fitting – with flexible nylon material
Nylon construction allows slight flex and resilience, helping the bung conform to straight pipes, bends and pond drains during insertion.
Works across a range of drain shapes, so testing and temporary sealing suits both household and garden drains.
Durable for repeated use – with robust nylon construction
Nylon resists wear and deformation during repeated insertion and removal, maintaining sealing performance through multiple low-pressure tests.
Long-lasting build quality reduces the need for single-use alternatives, supporting regular maintenance and diagnostics.
✨ The 4 Key Reasons for AB Tools Nylon Drain Test Plug
- Centre locking mechanism - Locks plug securely for stable seals during low-pressure tests
- Nylon construction - Resists wear for repeated insertion and removal in field use
- Works on varied drains - Conforms to straight pipes, bends and pond drains reliably
- Air and water testing ready - Suitable for low-pressure diagnostic tests on drains and sewers
📋 Technical Details at a Glance
- Category: Home plumbing accessory
- Brand: AB Tools
- Material: Nylon
- Size: 4" (100mm)
- Locking mechanism: Centre locking plate
❓ Frequently Asked Questions
Q: Can the plug be used for both air and water testing?
A: Yes, suitable for both air and water testing, specifically for low-pressure diagnostics.
Q: What pipe size does it fit?
A: Designed for 4" (100mm) pipes, matching that standard bore size.
Q: Will it work on non-straight drains such as bends or pond drains?
A: Yes, user feedback indicates effective sealing on straight pipes, bends, and pond drains.
🏆 Our Verdict
Ideal for plumbers and DIYers who need a quick, reusable temporary seal for drains and sewers. Centre-locking nylon construction delivers secure sealing during low-pressure air and water tests. A practical, durable tool whose construction repays the investment through repeated use.
