Lochinvar & A.O. Smith 100208652 Control 318820-201 While this is the OEM

While this is the OEM blower assembly

For high-pressure steam applications

When pulling the inducer motor for a seasonal teardown or troubleshooting a noisy assembly

Common Questions Is the 301-EMRP-RFSA compatible with older Vulcain controllers

Its stainless steel construction and high-temperature compatibility make it a durable solution for demanding HVAC environments where precise flow management is non-negotiable

Lochinvar & A.O. Smith 100208652 Control 318820-201 While this is the OEMThe Lochinvar & A. O. Smith 100208652 Control is a precision engineered manual reset low water cut off (LWCO) designed for high efficiency hydronic systems. Operating on a 24Vac control circuit, this safety device utilizes a 3 8" NPT probe to monitor water levels within the heat exchanger or header, providing essential protection against dry fire conditions. The 100208652 model LTB024A S1 is a standard replacement for Knight fire tube boilers (models