Overview
The Lochinvar 9001726 HLC2508 is a high limit switch engineered to provide critical thermal protection in Lochinvar boiler systems. This safety device monitors water temperature and automatically interrupts the heating cycle when preset temperature limits are exceeded, preventing equipment damage and ensuring safe operation.
Key Features
- Genuine Lochinvar OEM replacement part
- Automatic temperature cutoff prevents boiler overheating
- Reliable manual or automatic reset operation (model-dependent)
- Direct fit for compatible Lochinvar boiler models
- Compact design for straightforward installation
Technical Specifications
- Part Number: HLC2508 (Lochinvar 9001726)
- Product Type: High Limit Switch
- Manufacturer: Lochinvar Corporation
- Application: Boiler thermal protection
- Function: Temperature monitoring and safety cutoff
- Condition: New, No Box
Typical Applications
- Lochinvar commercial and residential boiler systems
- Water temperature overheat protection
- Heating system safety compliance
- Equipment protection against thermal damage
- Maintenance and replacement on existing installations
Compatibility & Replacements
Compatible With
- Lochinvar boiler systems
- Compatible boiler control circuits requiring high limit protection
- Standard 24V or line voltage boiler control wiring (verify with your system documentation)
Replaces / Drop-In Replacement For
The HLC2508 is the OEM replacement for Lochinvar part number 9001726. Consult your boiler documentation to confirm compatibility with your specific model and serial number range.
Works With
- Lochinvar boiler control boards and safety circuits
- Standard boiler wiring harnesses
- HVAC heating system diagnostics and maintenance protocols




