Homeowner guide
Whole-House Repiping: Replacing Old Pipes in Older Homes
Many Los Gatos homes were built decades ago with galvanized or early copper lines. This guide covers warning signs, materials and the repiping process.
Signs
Signs Old Pipes Need Replacing
- Repeated leaks.
- Rusty or discolored water.
- Low pressure.
- Green corrosion on copper.
- Pinhole leaks.
See repiping.
Materials
Replacement Materials
| Material | Notes |
|---|---|
| Copper | Durable, handles heat |
| PEX | Flexible, fewer joints |
| Galvanized (old) | Corrodes, usually replaced |
Process
How Repiping Works
- Inspect and plan routes.
- Shut off water.
- Open small access points.
- Run new lines.
- Pressure test.
- Patch walls.
Cost
What Affects Cost
- Home size.
- Material.
- Access.
- Wall repair.
- Permits.
Alternative
Repair or Repipe?
One failure can be repaired. Repeated failures suggest repiping. See pipe repair.
Local help
Help in Los Gatos
Call (669) 240-7379 for an inspection.
Repiping Questions
When should I repipe my home?
Repeated leaks, rusty water and low pressure are signs.
How long does repiping take?
Often a few days depending on size.
Is PEX or copper better?
Each has strengths.
Will walls be damaged?
Small access holes are made and patched.
Does it improve pressure?
It can if old lines were restricting flow.
Need Help With a Stubborn Plumbing Problem in Los Gatos?
Call us and describe what is happening. We will explain the options and when we can visit.
Call (669) 240-7379