Up to two wireless extenders can be used per single S40 thermostat. You can attach up to a total of 6 smart accessories to one S40 Smart Thermostat.
For more information or a visual representation of steps please reference our user guide here
FREQUENTLY ASKED QUESTIONS
Perfect comfort is something we want you to experience long after you’ve purchased your Lennox® product. That’s why we offer a collection of resources that make it as easy as possible for you to get the answers and support you need.
How many Wireless Extenders can I have in my home?
Get answers from a Lennox® Dealer.
It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system.
View Now
