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LENNOX iComfort Wi-fi 10f81 Thermostat App 88w58 WiFi

4.176 product ratings

ellisol (2997)

99.3% positive feedback

Price:

$549.99

Free shipping

Estimated delivery Sat, Oct 18 - Wed, Oct 22

Ships today if you order in the next Ships today if you order in the next 9h 56m

Returns:

No returns, but backed by eBay Money back guarantee.

Condition:

Used

(See pictures for detail). Lennox iComfort WiFi Thermostat 103445-04 10F81. Catalog# 10F81. I have tested the thermostat and reset it back to factory default when I was done. (See last picture for more about "factory default").

About this product

Product Identifiers

BrandLENNOX

MPN10344504

eBay Product ID (ePID)665827255

Product Key Features

Power SourceCorded Electric, Propane Liquid, LP (Liquefied Petroleum Gas), Propane Gas, Battery, NG (Natural Gas)

Year Manufactured2012

Compatible ProductUniversal, Heat Pump

Control StyleApp Control, Touch, Digital, Wi-Fi

Compatible BrandLENNOX, Comfort Sync

ColorWhite

Thermostat ShapeRectangular

MountingWall-Mounted

Number of Periods per Programmable Day4

Cool Stages2

ProgrammabilityProgrammable

Wire Configuration4-Wire

Smart Home CompatibilityApple HomeKit, Proprietary App, Google Home/Assistant, Universal, Amazon Alexa

Voltage24 V

Heat Stages3

FeaturesTouch Screen, App Control, Lockable, Wi-Fi, Z-Wave, Digital Display, Built-In WiFi, Communicating, Automatic Changeover, Outdoor Temperature Display, Wireless, Removable Interface, Filter Replacement Indicator, Energy Report, Weather Tracking, Vacation Mode, USB Port, Adjustable Thermostat, Daylight Savings Time Ready

Thermostat Programmable Days7- Day

Compatible Model103445-04, 1.841197, 103796-03, 103445-03, 103445-01, 88W58, 10F81

MaterialPlastic

Sensor TechnologyTemperature

Voltage TypeLow Voltage

System SwitchingAuto

ModelLennox iComfort Wi-Fi

Smart Home ProtocolProprietary, Bluetooth/Bluetooth Low Energy (BLE)

All listings for this product

item 1 Lennox 103445-04 10F81 Thermostat - UsedTested (No Brkt)

$549.99

Free shipping

item 2 Lennox 103445-04 10F81 Thermostat - UsedTested (No Brkt)

$549.99

Free shipping

item 3 Lennox 103445-04 10F81 Thermostat - UsedTested

$574.99

Free shipping

item 4 Lennox 103445-04 10F81 Thermostat - UsedTested

$574.99

Free shipping

item 5 Lennox 103445-04 10F81 - iComfort WiFi Thermostat - UsedTested (WBox & Docs)

$599.99

Free shipping

item 6 Lennox S40 Smart Thermostat

$599.99

listings for this product

Ratings and Reviews

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4.2

6 product ratings

4 users rated this 5 out of 5 stars
1 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
0 users rated this 2 out of 5 stars
1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

by isshopacific
Sep 15, 2025
The thermostat works as intended. No iss...
The thermostat works as intended. No issues. Setup was simple. So far, so good. The original lasted 10 years. Hopefully the replacement will work for the life of the HVAC system.
Verified purchase: YesCondition: Pre-owned
by josie_viteri
Mar 24, 2025
The memory card in the thermostat is bla...
The memory card in the thermostat is blank. The screen is blank. Where do I download the software for it?
Verified purchase: YesCondition: Pre-owned
by lisaaprs
Jul 25, 2025
Worked great and Larry is very helpful!
Worked perfect after having so many issues with our old thermostat!
Verified purchase: YesCondition: Pre-owned
by at28d
Mar 14, 2025
seems to work has been on for 6 days and...
seems to work has been on for 6 days and the screen is clear
Verified purchase: YesCondition: Pre-owned
by 631seadoo1
May 03, 2018
great value plug and play operation
Verified purchase: YesCondition: New