Copper Pipe Types & Wall Thickness Comparison
All three standard ASTM B88 copper tube types share the exact same outside diameter (OD), ensuring fittings fit interchangeably. The difference lies strictly in wall thickness and internal flow diameter.
Frequently Asked Questions
Common questions regarding this calculation and code compliance
Under the Uniform Plumbing Code (UPC Table 313.1), horizontal copper tubing 1-1/4 inches and smaller must be supported every 6 to 8 feet. Copper tubing 1-1/2 inches and larger must be supported every 10 to 12 feet.
Need Licensed Hands-On Help in Anchorage, AK?
Calculations provide the theoretical baseline, but Alaska installations face sub-zero frost lines, glacial soils, and strict municipal codes. Our licensed master technicians provide full diagnostics, inspections, and repairs:
24/7 Emergency Plumbing Dispatch
Immediate dispatch for burst pipes, uncontainable leaks, and active structural flooding.
Non-Invasive Water Leak Detection
Acoustic line testing and thermal imaging to locate hidden pressurized leaks.
Water Heater Repair & Upgrades
Tankless and tank water heater diagnostics, element replacements, and anode service.
Pipe Repair & Whole-House Repiping
Upgrading corroded copper or defective piping with freeze-resistant PEX-A systems.