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Home/Surgical Insights/Surgical Standard: Why We Only Use 22mm Copper Mains
Surgical Standard: Why We Only Use 22mm Copper Mains
Technical Deep-Dive

Surgical Standard: Why We Only Use 22mm Copper Mains

28 February 2026
11 min read

Key Specification

22mm (imperial 7/8") copper delivers optimal flow rates (60+ L/min) while maintaining structural integrity under UK pressure requirements (≤3 bar static).

Fluid Dynamics in Domestic Heating

The backbone of any modern plumbing system is its ability to deliver consistent water pressure and flow. Many standard builders utilize 15mm piping to save on material costs. However, in a multi-bathroom West London home, this creates a "bottleneck" that starves your luxury shower of pressure when the kitchen tap is turned on.

The 22mm Advantage

We utilize 22mm (imperial 7/8″) copper for all primary mains. This provides a significantly higher volume of water to the unit:

Flow Rate & Integrity

• Flow Rate: 22mm pipework delivers optimal rates of 60+ L/min
• Structural Integrity: Copper maintains its form under UK pressure requirements (≤3 bar static)
• Durability: Lifespan of 50+ years with proper installation

It is the only way to ensure your high-end system performs as the manufacturer intended.

Installation Standards

Our "Surgical Standard" approach includes anti-microbial flushing, pressure testing at 10 bar for 30 minutes, and full certification. We don't just install copper—we engineer it.

Ready to Engineer It?

Whether you're tackling a 2026-compliant extension, upgrading your water pressure, or planning a structural project, our team is ready to deliver Surgical Precision.

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