Lennox 79J11 Thermostat, Opens -29F, Closes -50F

The most in-stock parts on the planet — all OEM, all the time
Cool technology to make finding and buying parts a breeze, including Serial Number Lookup, PartSPIN® and Smart Manuals, found on partstown.com and our industry-leading mobile app
An exceptional customer experience from the team you know and trust with every email, live chat, text and phone call, provided by a friendly and knowledgeable team
Later hours than anyone else — offering support and shipping all in-stock orders until 9PM ET

Lennox 79J11 Genuine OEM Replacement Part

The Lennox 79J11 Thermostat adjusts cooling and heating operations based on temperature readings, making the system more accurate and efficient.

Real OEM thermostats and high limits are crafted to allow for easy integration with your unit's existing components
Fits popular KCA072S4-04, KCA072S4-03, LCH420H4-01 units and more (see FITS MODELS below for complete list)
Common Equipment Type(s):
Closes Temperature: -50F
Opens Temperature: -29F
Product Type: Thermostat

Lennox 79J11 Genuine OEM Replacement Part