

The Graco 555 HT O‑Ring Large is a high‑temperature, durable sealing O‑ring for maintaining leak‑free connections in demanding spray equipment applications.
| Equipment / Part | Use |
|---|---|
| Spray Gun Assemblies | Sealing fluid and air connections |
| Airless Pump Systems | Maintaining pressure integrity |
| Valve Seals | Prevents leaks under high temperatures |
The Graco 555 HT O‑Ring Large offers reliable sealing performance in high‑temperature and high‑pressure conditions. It’s designed to maintain leak‑free connections and extend the life of your spray equipment.