Category · HCAI/OSHPD OPM
Plumbing & Piping — OPM Preapprovals
All 9 HCAI/OSHPD Preapproval of Manufacturer's Certification records issued for Plumbing & Piping. 9 active, 0 cancelled, across 7 manufacturers. Source data from HCAI · updated 2026-04-22.
Manufacturers with Plumbing & Piping OPMs
| OPM # | Manufacturer | Product | Approval |
|---|
About Plumbing & Piping OPM preapprovals
Records sourced from the official HCAI OPM page. Categories are auto-derived from product descriptions and may be approximate. Always verify status and conditions with HCAI before specifying. Need PE/SE stamped bracing or anchorage calculations for Plumbing & Piping? Talk to a Panache engineer.