ensuring consistent performance in any mounting position

It is specifically designed for T-4002 series models

5 MFD) and physical dimensions match

including the FM1D14 and FM1D20

Lochinvar & A.O. Smith 100233264 Bulbwell ensuring consistent performance in anyThe Lochinvar 100233264 Bulbwell is a precision engineered immersion well designed for accurate temperature sensing in commercial boilers and water heaters. As a direct OEM replacement part, this component ensures the aquastat sensor or thermostat bulb is properly isolated from the high pressure system fluid while maintaining optimal thermal conductivity. This specific model is functionally identical to Lochinvar TST2301 and TST2301K, providing a