Lochinvar 100148404 High Limit Safety Switch

The Lochinvar 100148404 is a high limit safety switch designed for use in Lochinvar boilers and water heaters. This critical safety component monitors system temperature and automatically shuts down the unit when temperatures exceed safe operating limits, protecting the system from overheating damage.

Key Features:

• Factory OEM replacement part ensures proper fit and function
• Automatic overheat protection for safe system operation
• Manual reset design requires operator intervention after trip
• Durable construction for long service life in high-temperature environments
• Direct replacement for original Lochinvar equipment

This high limit switch is an essential safety device that prevents dangerous operating conditions. When installed properly, it provides reliable protection by interrupting power to the heating system when temperature thresholds are exceeded. Regular inspection and testing of limit switches is recommended as part of routine maintenance.