Lochinvar & A.O. Smith 100208552 Temp Sensor The 4074EYE focuses strictly on

The 4074EYE focuses strictly on the mechanical fasteners (bolts

For contractors facing tight clearances or complex damper actuator accessories requirements

What are the signs of a failing blower gasket in a Lochinvar boiler

Engineered for precise thermal monitoring

ensuring that Modine gas-fired heaters operate within safe thermal parameters at all times

Lochinvar & A.O. Smith 100208552 Temp Sensor The 4074EYE focuses strictly onThe Lochinvar & A. O. Smith 100208552 Water Temperature Sensor is a critical NTC thermistor designed for high accuracy thermal monitoring in commercial and residential hydronic systems. This OEM replacement part, also identified by cross reference numbers TST2032, TST2032K, and 100274731, provides the precise resistance to temperature feedback required by the system's control board to manage firing rates and maintain setpoint stability. Featuring an