Cabrillo Project · Inner Sunset, San Francisco · Repiping
Whole-home repipe: galvanized-to-PEX in an Inner Sunset craftsman
1927 three-bedroom craftsman, ~1,800 sq ft, 100% galvanized supply
Draft — awaiting Cabrillo photography & customer consent
The customer's problem
Water pressure at the second-floor shower had dropped to a trickle over 15 years. Rust flakes in the hot water. Two pinhole leaks in the last year, one behind the kitchen sink and one in the crawl space. Homeowners knew galvanized was at end of life but were afraid of the demolition scope.
The Cabrillo solution
Complete whole-home PEX-A repipe using a manifold-and-home-run layout (each fixture on its own dedicated PEX line back to a central manifold). Ran new lines through joist bays and stud cavities using minimal 4" × 6" access cuts patched by our finish carpenter. All copper stubs at fixtures for professional connections. Old galvanized abandoned in-wall (per code).
Equipment installed
| Brand | Model | Role |
|---|---|---|
| Uponor | AquaPEX-A ½" red / blue | Hot + cold supply lines |
| Uponor | ProPEX ProPress manifolds | Central manifold (basement) |
| Watts | LFPWXL premium PRV | Pressure regulator (new) |
What the homeowner got
- Full-pressure hot water on second floor for the first time in a decade
- No more rust in the hot water
- Insurance premium reduced on repipe certificate
- 50-year manufacturer warranty on Uponor AquaPEX-A
- Duration
- 6 working days (crew of 3; 1 day layout + demo, 3 days pipe run, 1 day fixture reconnection + pressure test, 1 day drywall patch)
- Financing
- 12-month no-interest via Cabrillo financing
- Service
- Repiping
- Location
- Inner Sunset, San Francisco
Project facts
"Cabrillo cut six holes total. We were braced for two dozen." — [DRAFT — replace with real quote or delete]