Carrier 52SQ402064 Heater Assembly

The Carrier 52SQ402064 Electric Heater Assembly is a genuine OEM replacement part engineered for precise integration within Carrier HVAC units requiring supplemental heating. This 52SQ402064 heater kit is designed to meet strict factory specifications, ensuring the electrical load and heat dissipation rates match the original equipment's design parameters. Utilizing high-grade resistive heating elements, it provides consistent thermal output for residential and light commercial air handlers. For technicians performing HVAC heater assembly replacement, this component ensures a direct fit, reducing labor time during field installation. Replacing a failed electric heating element with this Carrier 52SQ402064 unit restores the system's ability to provide auxiliary heat during low-ambient conditions. It features integrated safety limits to prevent overheating, maintaining the integrity of the fan coil unit and ductwork. This assembly is the standard professional choice for maintaining factory-rated performance and airflow balance in Packaged Terminal Air Conditioners (PTAC) and compatible Carrier systems.

• Carrier OEM Quality: Ensures exact mechanical alignment and electrical compatibility with 52SQ series units.
• High-Stability Elements: Designed to withstand repeated thermal cycling without premature resistive failure.
• Safety Integrated: Includes factory-installed thermal cutouts for reliable over-temperature protection.
• Direct-Fit Configuration: Minimizes field modifications, allowing for a standard bolt-on installation.
• Optimized Heat Transfer: Engineered for specific CFM requirements to prevent hot spots in the air stream.

Is the Carrier 52SQ402064 compatible with other brands?
This is a brand-specific Carrier OEM component. While it may physical fit some Bryant or Payne units sharing the same chassis, you should verify the specific part number against the model’s data plate to ensure correct voltage and kilowatt ratings.

What causes an electric heater assembly to fail?
The most common causes are restricted airflow due to dirty filters, which trips safety limits, or terminal corrosion leading to high resistance. Using a genuine 52SQ402064 replacement restores the original circuit design and safety margins.

Can I use this for a 208V or 230V application?
This heater assembly is typically rated for 208/230V single-phase operation. Always confirm the heater’s kW output at your specific site voltage to ensure it meets the building's heating load requirements.

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.