Armstrong Furnace R06428D456 Combustion Air Kit

The Armstrong Furnace R06428D456 Combustion Air Kit is a field-installed OEM assembly designed to ensure optimal air intake for condensing gas furnaces. This kit includes a high-tolerance differential pressure switch, ensuring precise monitoring of the combustion air blower's performance. Engineered for compatibility with specific Armstrong Air and AirEase high-efficiency units, the R06428D456 maintains the necessary static pressure to prevent nuisance trips and pressure switch lockout codes. Utilizing a combustion air pressure switch replacement from the original manufacturer ensures that the furnace operates within designed safety parameters, maintaining the correct fuel-to-air ratio. Technicians should verify combustion blower assembly integrity during installation. This HVAC pressure switch kit is critical for restoring system functionality when the internal diaphragm or electrical contacts of the existing switch fail under continuous thermal cycling.

• OEM Precision: Direct replacement part ensures exact fitment and electrical compatibility for Armstrong Air furnace repair.
• Enhanced Safety: The integrated furnace pressure switch detects venting obstructions or inducer motor failures immediately.
• Stable Operation: Calibrated specifically for high-efficiency 90%+ AFUE furnace air intake requirements.
• Compete Assembly: Includes necessary hardware and the combustion air kit components required for a full field service update.

How do I troubleshoot a pressure switch open error code?
Verify that the venting is clear of debris, check for condensation in the pressure switch tubing, and ensure the inducer motor is reaching full RPM before assuming the R06428D456 is faulty.

Is this kit compatible with other Allied Air brands?
Yes, this combustion air pressure switch replacement is frequently used across various Allied Air brands, including AirEase and Ducane, provided the part number matches the service manual specifications.

Does this kit include the pressure switch tubing?
This kit is primarily the assembly and switch; it is recommended to inspect and reuse or replace the silicone tubing to ensure a vacuum-tight seal during installation.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.