Carrier 50DK400218 Support Assembly

The Carrier 50DK400218 Support Assembly is a critical OEM replacement part designed for rooftop units (RTU) and commercial HVAC systems. Engineering as an Exhaust Tube Support, this assembly provides the structural framework necessary to stabilize exhaust tubes, preventing excessive vibration and maintaining alignment within the cabinet. Constructed from high-durability steel with integrated insulation and gaskets, this component ensures a high-integrity seal while managing thermal expansion in gas-fired heating sections or power exhaust configurations. This kit is built for technicians who demand a factory-perfect fit to resolve rattling, noise issues, or exhaust leaks in Carrier HVAC units.

For contractors performing rooftop unit maintenance, the 50DK400218 offers a direct-drop solution for 48DJ-series and similar large-tonnage package units. Utilizing genuine Carrier parts like this support assembly guarantees that the exhaust tube assembly remains securely positioned against the blower deck or partition, protecting internal HVAC components from mechanical stress. Whether you are conducting an emergency HVAC repair or a standard system overhaul, this heavy-duty assembly handles the extreme heat and airflow demands required for efficient venting and optimal system performance.

• Ensures structural stability for exhaust tubes to prevent vibration-related fatigue.
• Includes pre-attached gaskets and thermal insulation for rapid, leak-free installation.
• Manufactured from corrosion-resistant steel to withstand harsh rooftop environments.
• Exact OEM dimensions (approx. 11x11x11 inches) ensure seamless alignment with factory mounting points.
• Critical for maintaining proper venting efficiency and indoor air quality.

• Which models are compatible with this support assembly? It is primarily designed for Carrier 48DJ series rooftop units and specific Bryant/Payne commercial package systems. Always verify your specific model number on the rating plate.
• Does this include the necessary gaskets? Yes, this assembly features attached gaskets to provide a secure seal for the exhaust ports.
• Can this part reduce unit noise? Yes, by replacing a bent or corroded exhaust tube support, you eliminate the mechanical rattling often caused by loose exhaust plumbing.

This item is not eligible for free shipping.

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.