Manufacturer · HCAI/OSHPD OSP

Multistack — OSP Preapprovals

All 2 HCAI/OSHPD Special Seismic Certification preapprovals issued for Multistack equipment. 2 active, 0 expired. Source data from HCAI · updated 2026-04-21.

Equipment categories from Multistack

OSP #Sub-CategoryExpires
OSP-0150Chillers – Water Cooled9/26/2030Details →
OSP-0624Chillers – Air Cooled4/18/2029Details →

About Multistack OSP preapprovals

Listed records are sourced from the official HCAI OSP page. Always verify status, conditions, and expiration with HCAI before specifying a component. Need PE/SE stamped anchorage calculations for Multistack equipment? Talk to a Panache engineer.