The Bradford White 239-43571-00 Rectifier Harness is a replacement electrical component designed for use in compatible gas-fired water heaters and heating equipment. It works by transmitting and regulating electrical signals between the ignition and flame-sensing systems, helping verify proper burner operation and maintain safe combustion. By supporting accurate communication between ... https://www.partshnc.com/239-43571-00-bradford-white-rectifier-harness