51M14 – FLAME SENSOR (LENNOX, AFTERMARKET, DIRECT, FLS51M14)
$23.18
The Lennox 51M14 is a single-prong flame sensor, serving as a direct replacement for multiple Lennox furnace models, designed to detect flame presence and ensure safe operation.
In stock
Description
The Lennox 51M14 is a single-prong flame sensor designed to detect the presence of a flame within gas-fired heating systems, ensuring safe and efficient operation. This sensor is a direct replacement part, compatible with various Lennox furnace models.
- Compatibility:
- Designed for use in multiple Lennox furnace models, including G24, 80MGF, 80UHG, and G27 series.
- Direct replacement for Lennox part numbers 51M1401 and 43K88.
- Key Technical Specifications:
- Sensor Type: Single-prong flame sensor
- Dimensions:
- Prong Length: 2.35 inches
- Height: 2.81 inches
- Mounting: Standard mounting bracket for easy installation
- Material: Durable metal construction for longevity
- Replacement Part Numbers:
- Lennox 51M14
- Lennox 51M1401
- Lennox 43K88
- Lennox 43K8801
- Additional Information:
- Construction Quality: Manufactured with high-quality materials to ensure durability and reliable performance.
- Performance Attributes: Accurately detects the presence of a flame to prevent unburned gas from accumulating, enhancing safety.
- Installation Ease: Designed for straightforward installation; however, professional installation is recommended to ensure safety and proper operation.
- Maintenance: Requires minimal maintenance; periodic inspection and cleaning are advised to ensure continued performance.
- Unique Features: Note that for installation in G24, 80MGF, 80UHG, and G27 models, it may be necessary to trim 1/2 inch from the height of the flame sensor and bend it out by 20 degrees for proper fitment.



