Lochinvar & A.O. Smith 100173748 Cut-Off R-410A Direct Cross-Compatibility: Engineered to replace

Direct Cross-Compatibility: Engineered to replace obsolete models B1368270

significantly reducing maintenance overhead

plenum-rated housing

the 940-0140-03 relay maintains operational integrity in extreme environments ranging from -20°F to 150°F

The dual SPDT contacts are factory-configured to change on decreasing pressure at

Lochinvar & A.O. Smith 100173748 Cut-Off R-410A Direct Cross-Compatibility: Engineered to replaceThe Lochinvar & A. O. Smith 100173748 is a critical Low Water Cut Off (LWCO) safety control designed to protect hydronic and steam systems from dry fire conditions. Functioning as an Auto Reset sensor, this component continuously monitors the boilers water level and breaks the 24V control circuit to the burner if a low water threshold is detected. This specific HVAC replacement part is essential for maintaining operational safety in residential and