Copper Endfeed Internal Fitting Reducers (10mm - 54mm)

Optimize space efficiency and eliminate redundant pipe runs across your plumbing infrastructure with our premium selection of trade-grade internal copper fitting reducers. Known across the trade as "street reducers," these specialized internal components feature a male end designed to slot directly into a standard fitting socket, transitioning down smoothly to a female socket that receives smaller copper pipework. By seating completely inside the preceding component, they deliver a clean, low-profile layout that saves vital space behind structural partitions, floorboards, and tight manifold cabinets.

Each fitting is manufactured from thick-walled, high-purity copper to guarantee exceptional thermal conductivity and a flawless, deep capillary draw during endfeed soldering.

📐 Available Sizing & System Architecture

Select your required configuration from the dropdown menu to match your layout bill of materials:

• Micro-Bore & Low-Profile Radiator Feeds:

  • 10mm x 8mm 

  • 15mm x 8mm 

  • 15mm x 10mm

  • 15mm x 12mm 

• Standard Domestic & Secondary Loops:

  • 22mm x 15mm

  • 28mm x 15mm 

  • 28mm x 22mm

• High-Capacity Commercial Sub-Mains:

  • 35mm x 15mm | 35mm x 22mm | 35mm x 28mm 

  • 42mm x 15mm  | 42mm x 22mm  | 42mm x 28mm  | 42mm x 35mm 

• Industrial Mains & Plant Room Headers:

  • 54mm x 15mm  | 54mm x 22mm  | 54mm x 28mm  | 54mm x 35mm  | 54mm x 42mm 

🛠️ Key Features

• Compact Insertion Geometry: Male-to-female profile fits directly into another fitting socket, entirely bypassing intermediate pipe sections

• Precision Tapering: Engineered to step down pipe sizes cleanly without creating high-friction internal shoulders or lips

• Premium Construction: Durable, corrosion-resistant composition engineered to handle sustained mechanical and fluid stress

• Joint Type: Standard endfeed profile optimized for clean, uniform capillary soldering

💧 Plumbing & Installation Benefits

• Maximum Space Optimization: Ideal for compact utility layouts, manifold configurations, and concealed spaces where every millimeter matters

• Reduced Layout Costs: Replaces bulky multi-stage reduction setups, significantly lowering individual component expenses and reducing potential failure points on-site

• Quiet Flow Dynamics: Precision internal profile minimizes system cavitation and velocity noise, protecting sensitive down-line balancing gear and zone valves

• Ultimate Pressure Security: Rigorously tested to preserve absolute seal integrity under extreme pressure loads, thermal expansion, and intense temperature fluctuations