Carrier 50DK407858 Header Assembly

The Carrier 50DK407858 Header Assembly is a critical fluid distribution component designed for high-performance extraction and delivery of refrigerant within residential and light commercial HVAC systems. As a veteran-grade OEM replacement part, this header assembly acts as the central manifold between the evaporator coil and the condenser, ensuring balanced flow rates across multiple circuit paths. This precise distribution is essential for maintaining design pressure drops and maximizing the heat exchange efficiency of the unit.

Constructed with high-grade materials to withstand the thermal stresses of various refrigerants, including modern R-410A applications, the 50DK407858 features a compact profile measuring 18.8 inches in width and 6.2 inches in length. Its robust engineering minimizes the risk of joint failure and refrigerant leaks, which are common pain points when using sub-par aftermarket alternatives. For contractors performing a system overhaul or AC repair, utilizing this genuine Carrier header assembly ensures seamless compatibility with existing Carrier, Bryant, and Payne equipment, reducing labor time during field brazing and installation.

• Optimized Refrigerant Distribution: Engineered to balance flow across all coil circuits, preventing localized hotspots and improving overall SEER ratings.
• OEM Precision Fit: Eliminates the need for field modifications, ensuring a direct match for Carrier furnace parts and air handler configurations.
• Durable Construction: Built to endure high-pressure cycles and environmental corrosion, maintaining system integrity over the long term.
• Lightweight Design: At only 0.55 lbs, this component is easy to maneuver during complex HVAC installation tasks in tight mechanical closets.

• Is this header assembly compatible with multiple refrigerants? Yes, the 50DK407858 is designed to function with various refrigerant types commonly found in modern air conditioning units.
• Does this part require special tools for installation? Installation follows standard brazing and HVAC system diagnostics procedures; ensure nitrogen purging is used during brazing to prevent internal oxidation.
• How do I verify if this fits my specific model? This header assembly is a standard replacement for numerous Carrier and Bryant split systems; always verify the product specifications against your unit's serial plate before beginning service.

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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.