This OEM furnace replacement part is an auto-reset limit switch specifically engineered to monitor internal plenum temperatures

Tested to meet stringent UL 810 safety standards and rated for 50/60Hz operations

The Armstrong Furnace R45689-001 Flame Rod is a critical safety component designed for precise flame rectification in residential and commercial gas heating systems

The aluminum case is built to withstand internal pressure build-up

York S1-024-25839-700 Contactor This OEM furnace replacement partThe York S1 024 25839 700 is an OEM grade 120V 30A contactor engineered for reliable switching in high demand HVACR environments. This 2 pole normally open (2PNO) component is designed to manage inductive loads for compressors and fan motors in residential and light commercial units. As a direct technical equivalent to the 3100Y20T615, it ensures precise mechanical alignment and electrical compatibility during field installation. The unit features