True Blue Pool Straight Expansion Plug 40mm | Rubber Bung for Pool Pipe Sealing Australia

Whether you’re carrying out a pool repair, testing pipework for leaks, or need to isolate a section of plumbing, the True Blue Pool Straight Expansion Plug 40mm gives you a reliable, professional-grade seal every time.

Designed specifically for 40mm pool pipes and fittings, this straight rubber bung expands firmly within the pipe to create a watertight seal — preventing leaks and allowing pressure testing to be carried out with confidence. No messy sealants, no complicated tools — just a simple, effective plug that works.

Built from high-quality rubber and stainless steel components, this expansion plug is engineered to last. The stainless steel wing nut is specifically designed to prevent binding on the bolt during tightening, making installation and removal smooth and hassle-free — even after extended use in wet pool environments.

Key Highlights:
– Suits 40mm pool pipes and fittings — straight expansion design
– High quality rubber bung for a firm, watertight seal
– Stainless steel components for corrosion resistance in pool environments
– Stainless wing nut prevents binding on the bolt during tightening
– Ideal for leak prevention, pipe repairs and pressure testing
– Simple to install and remove — no special tools required
– Durable construction for long-term pool maintenance use

Perfect For:
Pool owners, plumbers and service technicians needing to seal, isolate or pressure test 40mm pool pipe sections during repairs or maintenance.

Technical Specifications:
– Model Number: MIU-601-92149
– Pipe Size: 40mm
– Type: Straight Expansion Plug
– Material: High Quality Rubber and Stainless Steel
– Wing Nut: Stainless Steel (anti-binding design)