OEM Lennox iComfort Wi-Fi Thermostat — 10F81
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The genuine OEM Lennox 10F81 iComfort Wi-Fi thermostat delivers precise, connected control over your Lennox heating and cooling system. It communicates directly with compatible Lennox iComfort-enabled equipment to manage temperature, humidity, and scheduling, and it connects to Wi-Fi so you can adjust settings, view alerts, and monitor performance from the iComfort app on your phone or tablet.
Common failure symptoms: a failing thermostat may show a blank or frozen touchscreen, lose its Wi-Fi connection, fail to communicate with the outdoor or indoor unit, display communication or configuration fault codes, or stop responding to schedule and setpoint changes. Erratic temperature swings and unresponsive touch controls are common signs.
Why OEM matters: the Lennox 10F81 is built for the iComfort communicating protocol used by Lennox systems, so it links to your equipment without adapters or workarounds. Genuine OEM ensures full feature support, proper firmware compatibility, reliable app connectivity, and protection of your Lennox warranty that generic thermostats cannot match.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days