York S1-025-21785-001 Heater

The York S1-025-21785-001 is a high-performance 10KW 240V electric heater configured as a 3-element heat kit for professional HVACR applications. This OEM York replacement part is engineered to provide supplemental or emergency heat for residential and light commercial air handlers. Operating on a 240V single-phase supply, the three-element design ensures balanced heat distribution and rapid thermal response during low-ambient conditions. As a veteran-grade electric heat strip, this unit fits precisely into compatible air handler cabinets without field modifications, maintaining system static pressure and airflow integrity. Technicians typically utilize this 10KW kit to deliver approximately 34,000 BTUs of auxiliary heat, making it a standard choice for HVAC heat pump auxiliary heat requirements. The robust construction of the York S1-025-21785-001 heater prioritizes long-term terminal stability and resistance to thermal fatigue in high-cycle environments. Ensure your electrical service is rated for the York 10KW heat kit amperage requirements—typically necessitating a 60A circuit breaker—before completing the installation.

• Precise OEM Fit: Ensures seamless integration with York air handlers, eliminating the need for mounting adjustments or cabinet modifications.
• Optimized 3-Element Design: Distributes 10KW of heating energy across multiple elements to reduce thermal stress and extend component life.
• Rapid Thermal Response: Provides immediate auxiliary heat to maintain indoor setpoints when outdoor ambient temperatures drop below the heat pump's balance point.
• High-Quality Terminals: Features heavy-duty connection points designed to handle high-amperage loads without excessive heat buildup.

What is the heating capacity of the York S1-025-21785-001?
This 10KW unit provides approximately 34,120 BTUs of heating capacity when operated at 240V.

Is this heat kit compatible with other HVAC brands?
This is an OEM part specifically designed for York, Luxaire, and Coleman equipment. Always verify exact model compatibility through the manufacturer's technical guide.

What size breaker is required for a 10KW heat strip?
A 10KW heater at 240V typically draws about 42-45 amps. Following NEC guidelines and specific unit nameplate data, a 60A circuit is generally required for the heater and blower motor combination.

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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.