AGAflex threaded reducing coupling 1½" x ¾" galvanised — plumbing fitting

AGAflex threaded reducing coupling 1½" x ¾" in galvanised finish is a metal plumbing fitting designed to join two threaded pipes or fittings with different diameters. The coupling provides a female-to-female threaded connection that reduces from 1½ inch to ¾ inch, enabling adaptation between larger and smaller threaded components in water, heating and general plumbing systems. The galvanised finish adds surface protection against corrosion in typical indoor and sheltered outdoor installations.

Advantages

The coupling offers a straightforward mechanical solution for reducing thread size without welding or soldering. Its metal construction ensures mechanical strength and reliable thread engagement, while galvanisation improves resistance to rust and prolongs service life in moist environments. The standard pipe thread form allows compatibility with common threaded pipes and fittings used in plumbing and heating systems.

Suitable for

• Connecting threaded pipes with different diameters in domestic and commercial plumbing
• Adapting fittings in water supply and heating circuits
• Temporary or permanent threaded repairs and modifications
• Use in sheltered outdoor installations where galvanised protection is sufficient

Key specifications

• Material: metal with galvanised surface
• Connection type: female threaded reducing coupling
• Inlet size: 1½ inch (female thread)
• Outlet size: ¾ inch (female thread)
• Application: potable water, heating, general plumbing systems

How to use

Prepare mating male-threaded pipes or fittings by cleaning threads and removing debris. Apply an appropriate thread sealant or PTFE tape to the male threads following the sealant manufacturer's instructions. Hand-start the coupling onto the male thread to avoid cross-threading, then tighten with a suitable wrench until a secure, leak-free connection is achieved. Do not overtighten beyond normal wrench torque for steel threaded fittings to avoid damaging threads.

Usage recommendations

Use the coupling in systems compatible with galvanised steel and avoid prolonged exposure to highly corrosive environments. For buried, fully exposed outdoor, or aggressive chemical environments consider fittings with alternative corrosion protection. Verify thread standards and sizes match mating components before installation and follow local plumbing codes for potable water and heating installations.