Armstrong International D14826 Indicator R-410A specifically within the RN and

specifically within the RN and RQ model lines

always verify against the manufacturer’s parts list

minimizing interference with sensitive control electronics

Engineered for a direct fit in Rheem and Ruud HVAC systems

the unit features silver contacts and heavy-duty terminals to ensure sustained accuracy and reliable switching under heavy electrical loads

Armstrong International D14826 Indicator R-410A specifically within the RN andThe Armstrong International D14826 is a critical electrical proof of closure indicator (model CPI 400) engineered for integration with high gas pressure switches in industrial Flo Direct fuel trains. This OEM electrical switch provides essential safety verification by offering positive confirmation of switch closure, preventing hazardous system faults and ensuring the efficient operation of Armstrong International HVAC equipment. Built to withstand