Description
Lochinvar & A.O. Smith 100208175 Hi-Limit Switch 200°F Overview
The Lochinvar & A.O. Smith 100208175 is an OEM replacement hi-limit switch designed to protect water heaters and boilers from dangerous overheating conditions. Rated at 200°F, this safety control automatically interrupts the heating circuit when water or fluid temperatures reach the preset limit, preventing equipment damage and ensuring safe operation.
Key Features
- OEM replacement part for Lochinvar and A.O. Smith water heaters and boilers
- 200°F (93°C) hi-limit temperature rating for reliable overheat protection
- Interrupts heating circuit upon reaching the set-point temperature to prevent overheating
- Engineered for direct, drop-in replacement — no modifications required
- Helps maintain safe and efficient system operation
- Durable construction built to withstand demanding commercial and residential HVAC/hydronic environments
Application
This hi-limit switch is a critical safety component for Lochinvar and A.O. Smith water heaters and boiler systems. It is designed for use in residential and light commercial applications where precise high-temperature cutoff protection is required. Always verify compatibility with your specific model before installation.
Product Specifications
- Part Number: 100208175
- Brand: Lochinvar & A.O. Smith
- Type: Hi-Limit Switch
- Temperature Rating: 200°F







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