4
®
Package 1 of 1 contains:
Parts Quantity
Lennox Wireless Extender 1
Warranty 1
Installer Quick Start Guide 1
Homeowner Quick Start Guide 1
IMPORTANT
Information concerning thermostat smart devices
user screens are listed in the Lennox S40 User
Guide.
Introduction
The Lennox
®
S40 Smart Thermostat's smart devices
network will
. The maximum supported smart de-
vices per smart devices network is:
• Six (6) Lennox
®
Smart Room Sensor
• Two (2) Lennox
®
Wireless Extender
• One (1) Lennox
®
Smart Air Quality Monitor
NOTE: The Lennox Smart Air Quality Monitor In-
stallation and Setup Guide is included with
that product.
If the homeowner has multiple S40 thermostats in the
home, then each thermostat can support up to nine
(9) smart devices simultaneously in the conguration
as listed above for each individual thermostat.
• Lennox® S40 Smart Thermostat hosts the smart
devices network.
• Lennox® Smart Room Sensor is used for tem-
perature averaging with up to a maximum of six (6)
Smart Room Sensors supported per a single smart
devices network.
• Lennox® Wireless Extender is used to extend
the smart devices network with up to a maximum
of two (2) wireless extenders supported per a sin-
gle smart devices network.
• Lennox® Smart Technician App is used by the
technician to create the smart devices network and
to manage all Lennox smart devices. This applica-
tion is available for both IOS 11.0 or higher (App
Store) and Android 9.0 or higher (Google Play).
• Lennox
®
Smart Thermostat App is used by the
homeowner to add or remove smart devices only
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