The included ECM engine module is designed to interface with existing speed signals

swapping this out is a standard fix to restore heating system reliability and maintain peak combustion efficiency

Built for harsh industrial environments

Key Benefits Precision Fit: The 8mm triangular latch key profile is matched to York OEM specifications to prevent latch stripping

Lochinvar & A.O. Smith 100111002 Conversion Kit 321142-301 The included ECM engine moduleThe Lochinvar & A. O. Smith 100111002 Conversion Kit is a field ready solution engineered for transitioning specific gas fired water heaters and boilers from liquid propane (LP) to natural gas (NG). As a critical component for maintaining manifold pressure and burner efficiency, this LP TO NG CONVERSION kit includes the precision metered gas orifices and regulator springs required to recalibrate the burner assembly for the lower energy density of