Condition New

The Handrail Wire Harness is a replacement electrical wiring assembly designed for compatible treadmill equipment. Commonly used on select Commercial 1250, Commercial 1750, and Commercial 2450 treadmills, it connects handrail-mounted electronic components to the machine's electrical system. Its equipment-specific design helps support signal and power transmission required for proper treadmill operation and functionality.

Key Features

Electrical Wiring Assembly
Provides an organized wiring solution for connecting handrail and treadmill electronic components.
Equipment Communication Support
Helps facilitate signal and power transfer between connected systems and assemblies.
Replacement Maintenance Component
Designed to replace worn or damaged wiring harnesses and restore electrical connectivity.
Model-Specific Fitment
Engineered for use with designated compatible treadmill models and configurations.

Specifications

Product Type: Handrail Wire Harness

Part Number: 451939

Usage: Treadmill Replacement Part

Design Type: Electrical Wiring Assembly

Compatibility

Commercial 1250 - NTL141243

Commercial 2450 - NTL191248

Commercial 2450 - NTL191249

Commercial 2450 - NTL1912410

Commercial 1250 - NTL141245

Commercial 1250 - NTL141246

Commercial 1250 - NTL141249

Commercial 1750 - NTL171247

Commercial 1750 - NTL171249

Commercial 1750 - NTL1712410

Commercial 1750 - NTL1712412

Commercial 1750 - NTL1712413

Commercial 2450 - NTL1912411

Commercial 2450 - NTL1912413

Commercial 1250 - NTL1412410

How It Works

The wire harness connects handrail-mounted electronic components to the treadmill's electrical system. It allows signals and electrical power to pass between connected assemblies, supporting proper equipment functionality and operation.

Note

Verify Part Number 451939 and equipment model compatibility before ordering.

Compatibility Notes

Confirm Part Number 451939 before purchase.

Verify the treadmill model number matches the compatibility list.

Compare connector layouts with the existing harness before installation.

Intended only for the listed compatible treadmill models.

Review equipment documentation to confirm fitment requirements.

Why This Design Matters

A properly matched handrail wire harness helps maintain communication between electronic components and treadmill systems. Replacing a damaged wiring assembly can help restore intended equipment operation and support consistent machine performance.

Used on the following models:

Nordic-Track
Commercial 1250 - NTL141243
Commercial 2450 - NTL191248
Commercial 2450 - NTL191249
Commercial 2450 - NTL1912410
Commercial 1250 - NTL141245
Commercial 1250 - NTL141246
Commercial 1250 - NTL141249
Commercial 1750 - NTL171247
Commercial 1750 - NTL171249
Commercial 1750 - NTL1712410
Commercial 1750 - NTL1712412
Commercial 1750 - NTL1712413
Commercial 2450 - NTL1912411
Commercial 2450 - NTL1912413
Commercial 1250 - NTL1412410