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.

Can the s40 thermostat program the fan to continuously run?

Yes, the s40 thermostat can be programmed to run the fan continuously. this can be done by setting the fan mode to 'on'. this indicates that the system will run the fan continuously

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