York 4HK16501806 Electric Heat Kit

The York S1-4HK16501806 18KW Electric Heat Kit is a field-installed accessory designed to provide supplemental or primary heating for York air handlers and residential package units. This high-capacity 18kW heater kit utilizes a 208/230V single-phase power supply to deliver consistent thermal output in demanding residential and light commercial applications. Engineered for seamless integration, the York 4HK16501806 features nickel-chromium heating elements and automated thermal limit switches to maintain safe discharge temperatures and prevent overheating during low-airflow conditions. This model includes an integrated circuit breaker, simplifying the electrical installation by providing localized overcurrent protection and a convenient service disconnect point. Whether you are performing a new multi-position installation or a field upgrade, this HVAC heat kit ensures precise fitment and reliable performance within compatible Johnson Controls equipment, meeting the rigorous demands of veteran service technicians and mechanical contractors.

• Direct OEM Compatibility: Specifically engineered for York, Luxaire, and Coleman air handlers to ensure proper airflow clearance and electrical termination.
• Integrated Safety Controls: Features factory-installed circuit breakers and primary/secondary thermal limits for robust system protection.
• High-Efficiency Heating: Delivers 18kW of reliable heat, ideal for larger duct systems and cold-climate heat pump backup.
• Simplified Installation: Plug-and-play wiring harnesses reduce field labor and ensure secure low-voltage connections to the control board.
• Versatile Application: Approved for use in upflow, downflow, and horizontal configurations without compromising safety or performance.

What voltage is required for the S1-4HK16501806?
This kit is designed for 208/230V single-phase (1Ø) 60Hz power supplies. Ensure your field wiring meets the minimum circuit ampacity (MCA) requirements listed on the air handler nameplate.

Does this unit require a separate disconnect?
The York S1-4HK16501806 includes built-in breakers, which typically satisfy the NEC requirement for a local disconnect within sight of the appliance.

Can this be used with variable speed air handlers?
Yes, this heat kit is compatible with various AVC, AVV, and modular variable speed models, provided the blower speed taps are adjusted according to the manufacturer's technical guide to maintain minimum CFM 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.