Lochinvar & A.O. Smith 100268109 Conversion Kit 320720-756 What does the N/O designation

What does the N/O designation mean for this switch

Operating within a standard 125-250 VAC range

The Johnson Controls P70AA-5 is a professional-grade single pole low pressure control engineered for precision monitoring in ammonia refrigeration systems

ensuring a precise match for the RPM rating and shaft diameter is essential to prevent motor bearing strain and premature pressure switch trips

Lochinvar & A.O. Smith 100268109 Conversion Kit 320720-756 What does the N/O designationAs a field verified tech, you know that converting a high efficiency Lochinvar Knight KH285 Fire Tube Boiler requires precision components to maintain combustion stability and thermal efficiency. The Lochinvar & A. O. Smith 100268109 Conversion Kit (part number KH285 LP conversion kit) provides the exact OEM LP venturi and internal orifices needed to transition from natural gas to liquid propane. This 100268109 Lochinvar LP gas conversion is a