Lennox 50L70 - ( LB-89257 ) HARN-WIRE
Lennox 50L70 - (LB-89257) Wire Harness
Ensure dependable system connectivity and optimized performance with the Lennox 50L70 (LB-89257) Wire Harness—a factory-original Lennox replacement part designed to meet exact specifications for compatibility, durability, and safety. This multi-wire assembly plays a critical role in facilitating low-voltage electrical connections between major components in your HVAC system, such as control boards, blowers, gas valves, sensors, and safety switches.
Whether you're performing routine service or replacing a failed harness, the 50L70 wire harness is engineered to reduce installation time and eliminate wiring errors. Its plug-and-play design, featuring precision-molded connectors and factory-crimped terminals, ensures a secure and accurate fit with OEM equipment—no splicing, guessing, or rewiring required.
Product Features:
- OEM Replacement Part: Manufactured by Lennox for precise integration with select heating and cooling units.
- Multi-Conductor Harness: Includes multiple color-coded wires bundled into one organized assembly for fast, error-free connections.
- Pre-Terminated Leads: Comes fully terminated with factory crimped connectors for secure fit and maximum conductivity.
- High-Temperature Rated: Insulation designed to withstand elevated temperatures found in HVAC compartments.
- Improved Service Efficiency: Simplifies maintenance by replacing multiple loose wires with a single, pre-engineered assembly.
- Secure Fitment: Designed to lock into compatible terminals with reliable retention—reducing the chance of disconnection due to vibration or wear.
Technical Specifications:
- Part Number: 50L70
- Catalog Number: LB-89257
- Application: Furnace and air handler control wiring
- Voltage Rating: Low-voltage (24V) system connections
- Construction: Thermoplastic-insulated, copper-core wire bundle with pre-attached connectors
- Compatibility: Intended for use with specific Lennox models—check your equipment manual or contact technical support for confirmation
Typical Applications:
This wire harness is commonly used in Lennox gas furnaces, air handlers, and packaged HVAC units. It ensures that communication and power pathways between the control module, sensors, blower motor, pressure switch, ignition components, and other internal devices are properly established.
Installation Notice:
As a safety-critical part, the 50L70 harness should only be installed by a licensed HVAC professional. Improper wiring may lead to equipment malfunction or void manufacturer warranty.
Restore your Lennox system’s reliability with the trusted performance of the LB-89257 OEM wire harness—engineered for perfect fit, dependable signal transmission, and long-lasting service life.
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| Package Quantity | 1 Item |
|---|---|
| Item Returns | This item can be returned |
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