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MSL Solvent Weld Waste Pipe Coupling: Permanent joins for 43mm waste pipework

Solvent Weld White 40mm (43mm) Waste Pipe Coupling - Pack of 2
4.6
[43mm Compatibility]  Designed for 43mm (1 1/2") solvent-weld pipe; not compatible with 40mm or PP-marked pipe.
[Joins Two Pipes]  Coupling specifically made to securely join two waste pipes for reliable drainage connections.
[Pack of Two]  Includes two fittings for added value and convenient multi-installation use.
[Permanent Solvent Weld]  Requires solvent weld cement for a strong, permanent, leak-resistant joint.
[Clean White Finish]  White colour blends with standard plumbing for a neat, professional appearance.
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Waste plumbing fitting designed to create secure, permanent joins for 43mm solvent-weld pipework, the MSL Solvent Weld Waste Pipe Coupling comes as a pack of two. Installers and DIYers can quickly replace or extend waste runs with a neat white coupling. Will it suit systems using 40mm or PP-marked pipework?

⚡ At a Glance
  • Joining Method: Solvent weld connection suitable for 43mm pipework
  • Best for: Plumbers and DIYers needing permanent waste pipe joins
  • Not ideal for: Systems that use 40mm pipe or have PP printed on the pipe

Made for 43mm solvent-weld pipe and secured using solvent weld cement. Supplied as a pack of two in white for standard waste installations.


Permanent, leak-resistant joins - thanks to solvent-weld installation

Solvent weld fittings are secured using solvent weld cement to chemically fuse the coupling to compatible pipe or fittings. The process creates a permanent, strong joint rather than a mechanical compression.

A fused connection reduces the risk of leaks and avoids repetitive re-tightening, so repairs remain reliable over time.

Right size for 43mm waste runs - with 43mm (1 1/2 inch) compatibility

Product is made to be installed with 43mm, also known as 1 1/2 inch solvent-weld, pipe or fittings. Compatibility excludes 40mm pipe and pipes marked with PP.

Ensures accurate mating where 43mm pipework is used; prevents mismatches that can cause poor seals or failed joins.

Ready-for-job spares - thanks to the pack of two supply

Listing is for a pack of two couplings, providing two identical fittings for separate joins or a spare to keep on hand. White finish matches standard waste fittings.

Having two couplings reduces the need for a follow-up order during small repair jobs and keeps a spare available for on-site contingencies.

✨ The 4 Key Reasons for MSL Solvent Weld Waste Pipe Coupling
  1. Pack of 2 - Provides two couplings for two separate connections or spares
  2. Simple installation - Suitable for standard solvent-weld technique used by most plumbers
  3. Not for 40mm pipes - Avoids mismatched fittings with 40mm or PP-marked pipes
  4. White finish - Blends with common waste pipework for unobtrusive appearance
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Brand: MSL
  • Product ID: B077CQQHCH
  • Type: Waste pipe coupling
  • Compatibility: 43mm (1 1/2 inch) solvent-weld pipe or fittings
❓ Frequently Asked Questions

Q: Is this coupling compatible with 40mm waste pipe?

A: No. Coupling is made for 43mm solvent-weld pipe; 40mm systems require 40mm pushfit or compression fittings.

Q: How are the couplings secured in place?

A: Solvent weld cement is used to chemically bond the coupling to compatible pipe or fittings for a permanent and strong installation.

Q: How many couplings are included in the pack?

A: The listing contains two couplings, supplied as a pack of 2 for multiple joins or a spare.

🏆 Our Verdict

Suitable for plumbers and DIYers who work with 43mm solvent-weld waste systems and need a reliable, permanent join. The permanent solvent-weld connection and the convenience of a pack of two are the key advantages for repair and installation work. Offers practical long-term value by reducing follow-up repairs and keeping a spare ready for site use.