the York S1-031-02993-000 is an integrated gas/electric control board designed to manage the sequencing for both fuel types in hybrid or package unit configurations

the A99BB-200 integrates seamlessly with PENN System 450 controls

this OEM-grade component is the standard for maintaining optimal airflow and system static pressure

ensuring the valve is physically seated before the next burner sequence begins

Heil Quaker ICP EHK208B Heat Kit 322056-301 the York S1-031-02993-000 is anThe Heil Quaker ICP EHK208B Heat Kit is a high performance 8 kW electric heater kit specifically engineered for seamless integration into ICP air handlers and fan coil units. Operating on a 208 240V single phase power supply, this OEM supplemental heating solution is essential for residential and light commercial applications where reliable heat staging is required. This kit comes equipped with a built in 45A circuit breaker, providing critical