Description
Armstrong Furnace Magic Pak Wiring Harness — R104427-01
Keep your Armstrong Magic Pak heating system running at peak performance with the genuine OEM R104427-01 Wiring Harness. Engineered specifically for Armstrong Magic Pak units, this direct-replacement wiring harness restores proper electrical connectivity between system components, helping to eliminate intermittent faults, control failures, and unsafe wiring conditions caused by a worn or damaged harness.
Why Choose the OEM Wiring Harness?
Using a genuine Armstrong replacement part ensures exact-fit compatibility, proper conductor sizing, and factory-correct connector terminations. Aftermarket substitutes may not meet the original electrical specifications, potentially leading to control board damage, nuisance tripping, or unsafe operation. The R104427-01 is built to Armstrong’s original design standards for dependable, long-term performance.
Key Features
- Genuine OEM Armstrong Furnace replacement part
- Designed for Magic Pak combination heating/cooling units
- Direct drop-in replacement — no modification required
- Factory-correct connectors and conductor routing
- Restores reliable communication between system controls and components
- Helps prevent control board damage from faulty wiring connections
Application
- Compatible with Armstrong Magic Pak heating and cooling systems
- Intended for qualified HVAC technicians performing service or repair
Installation Notes
Always disconnect power to the unit before servicing any electrical components. Refer to the original equipment wiring diagram and service manual for proper harness routing and connector placement. Installation should be performed by a licensed HVAC technician in accordance with all applicable local codes and manufacturer guidelines.







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