Lennox 15G04 – Lennox 101334-08 Defrost Sensor Wiring Harness, 3-Sensor Assembly, 63"/82" Leads, Fixed 10K Resistor (OEM)
Lennox 15G04 – Lennox 101334-08 Defrost Sensor Wiring Harness, 3-Sensor Assembly, 63"/82" Leads, Fixed 10K Resistor (OEM)
Lennox 15G04 (101334-08) is an OEM defrost sensor wiring harness designed for accurate temperature sensing and reliable defrost control in Lennox heat pump systems. This 3-sensor assembly features 63-inch and 82-inch lead lengths, with sensors #1 and #2 present and a fixed 10K resistor in place of sensor #3, ensuring proper system operation when a third sensor is not used. Built to Lennox factory specifications, this genuine replacement wiring harness helps maintain correct defrost cycles, protects system components, and restores original performance and reliability.
Lennox 15G04 (101334-08) is a genuine OEM defrost sensor wiring harness designed to restore accurate defrost operation in compatible Lennox heat pump systems. This complete replacement assembly provides reliable temperature feedback to the defrost control board, allowing the system to initiate and terminate defrost cycles correctly. Proper defrost operation is essential for maintaining heating efficiency, preventing ice buildup on the outdoor coil, and protecting critical system components.
This defrost sensor wiring harness is configured as a 3-sensor assembly with sensors #1 and #2 installed, along with a factory-installed fixed 10K resistor in place of sensor #3. This configuration ensures the correct resistance values required by the control logic in applications where a third physical sensor is not used. The harness includes 63-inch and 82-inch lead lengths, allowing proper routing and secure sensor placement within the outdoor unit without splicing or modification.
Manufactured to Lennox factory specifications, the 15G04 wiring harness is built to withstand typical outdoor HVAC operating conditions. Using a genuine OEM replacement helps ensure proper electrical connections, accurate temperature sensing, and full compatibility with the original system design. Replacing a damaged or failed defrost sensor harness can help eliminate defrost errors, improve cold-weather performance, reduce unnecessary compressor run time, and extend overall system life.
This Lennox 15G04 defrost sensor wiring harness is intended for professional HVAC service and is ideal for repairs where maintaining original equipment performance, reliability, and safety is critical. Always verify unit compatibility by model and serial number prior to installation.
Lennox Information and Specifications:
Brand
Lennox
Catalog Number
15G04
Model / Part Number
101334-08
Type
Defrost Sensor Wiring Harness
Sensor Configuration
3-Sensor Assembly
Sensors #1 and #2 present
Fixed 10K resistor in place of sensor #3
Lead Lengths
63 inches
82 inches
Application
Defrost temperature sensing and control feedback in Lennox heat pump systems
Condition
New, genuine OEM replacement
| Package Quantity | 1 Item |
|---|---|
| Item Returns | This item can be returned |
