Irritrol External Controller Key - Part 363-8924 (HL238)
Replacement external control key for Irritrol controllers (part 363-8924). This OEM-style key restores manual access to the controller exterior and is commonly referenced as HL238 or KEYSW/RING HL238RO by parts suppliers. Built for field use, the key provides reliable engagement in external key switches so technicians and homeowners can place the controller into manual, test, or service modes without opening the enclosure. Its compact form and included mounting ring keep the key readily available while preventing accidental loss.
- OEM Irritrol part 363-8924 - external key with mounting ring.
- Durable metal construction for long service life and frequent use.
- Simple installation: insert key into the external key switch and turn to the desired position.
- Compatible with a range of Irritrol control stations and service parts; verify model compatibility before ordering.
- Supplier-listed UPC 580500088650 and product reference KEYSW/RINGHL238RO.
Perfect for irrigation service professionals and homeowners maintaining manual control access. Keep a spare on hand to reduce downtime during maintenance or servicing. If you’re unsure whether this key fits your controller, check the controller’s part label or contact Irritrol or your parts supplier for confirmation before purchase.