Description
Lochinvar & A.O. Smith 100208563 — 1/4″ Immersion Sensor Stat
The Lochinvar & A.O. Smith 100208563 is a 1/4″ Immersion Sensor Stat engineered as a direct OEM replacement for Lochinvar and A.O. Smith boiler and hydronic heating systems. Designed for immersion-style installation, this sensor stat monitors fluid temperature within a pipe, tank, or thermowell, providing reliable feedback to the system’s control circuitry to maintain precise operating temperatures and protect equipment from overheating or thermal runaway.
Key Features
- OEM replacement part for Lochinvar & A.O. Smith boiler and hydronic systems
- 1/4″ immersion-style design for direct insertion into a pipe, tank, or thermowell
- Accurate temperature sensing to support efficient system control and safety
- Compact, durable construction built to withstand demanding hydronic operating environments
- Ensures proper system response and protection against temperature extremes
Applications
- Residential and commercial boiler systems
- Hydronic heating and hot water systems
- Lochinvar and A.O. Smith water heaters and boilers requiring OEM sensor stat replacement
Why Choose OEM Parts?
Using genuine Lochinvar & A.O. Smith OEM components like the 100208563 ensures compatibility, maintains system warranties, and delivers the performance and longevity your equipment was designed for. Trust factory-spec parts to keep your hydronic system running safely and efficiently.







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