A9E (externally equalized)

the Robertshaw 80-101 serves as a direct-fit replacement for aged or burned-out pilot light assemblies

How do I tell if this run capacitor is failing

and Payne furnace models

Rheem-Ruud 47-25349-02 Limit Switch A9E (externally equalized)The Rheem Ruud 47 25349 02 Limit Switch is a critical safety component designed for precise thermal regulation within HVAC systems. This SPST normally closed switch features a 3 inch insertion length and is engineered for board mounted applications, commonly identified by its blue blue color coding. As an auto reset temperature control, it features a fixed open temperature of 170F and a fixed close temperature of 150F, ensuring the system shuts down