It serves as a direct replacement for the discontinued 9007366005 part number

While optimized as a 5/16 inch ball joint

this auto-reset high limit switch monitors internal water temperatures to prevent catastrophic overheating in Lochinvar Copper-Fin II boilers and pool heaters

allowing for immediate troubleshooting before hardware failure occurs

effectively replacing outdated or failed SmartValve systems in Sterling unit heaters

Lennox 36K28 Limit Switch 320074-702 It serves as a directThe Lennox 36K28 is a critical safety component designed for precise thermal regulation within residential and light commercial Lennox furnace systems. This automatic limit switch is engineered to monitor heat exchanger temperatures, effectively interrupting the burner circuit if internal conditions exceed the safety threshold. Operating with a fixed range of 160 190F, it provides a vital fail safe against overheating caused by restricted airflow or