The RESIDEO L8148A1017 Aquastat Relay Burner Circuit is a product designed for use in HVAC and refrigeration systems. Specifically, it is a replacement part for Honeywell brand systems. This circuit ensures proper control and functionality of the heating element, helping to maintain optimal temperatures and efficiency in the system. With the trusted RESIDEO brand and compatibility with Honeywell models, this aquastat relay burner circuit is a reliable choice for industrial and commercial heating and cooling applications.