Lennox 13P93 Fan Limit Switch 30067439-890 but you should always verify

but you should always verify the part number against your specific burner assembly breakdown to ensure compatibility

Enhanced Safety: Built as a Class II energy-limiting device

the Sensus 071-03409-002 Green Spring is designed for the 6–14" WC range

The York S1-025-17620-017 Pressure Switch is a high-limit safety control designed for precise HVAC system protection

Lennox 13P93 Fan Limit Switch 30067439-890 but you should always verifyMaintain precise thermal regulation and safety standards in forced air heating systems with the Lennox 13P93 Fan Limit Switch. This genuine OEM component is the direct replacement for 11M40 (as well as 10H37 and 43F4501) and is essential for managing blower activation and high limit protection. Engineered by Honeywell (Model L4064B2210), this HVAC combination fan and limit control features an 11. 5 inch insertion length and a 3 4 inch diameter probe