This Trane combustion fan module is designed to regulate the air and fuel mixture in a furnace or boiler. It works by drawing in air from the outside and mixing it with fuel before igniting it to produce heat. The module is equipped with safety features such as flame sensors and pressure switches to ensure safe operation. It is compatible with a variety of Trane heating systems and can be easily installed by a qualified technician. The module is made of durable materials that can withstand high temperatures and harsh conditions, ensuring reliable performance for years to come.