This specific model uses a sleeve bearing system

it minimizes system downtime by accurately managing voltage distribution across the furnace control circuitry

As a genuine Trane OEM replacement part

Field-Adjustable Length: The 4-foot rod can be cut to precise specifications for custom tank depths

Built with a rugged NEMA 3R aluminum enclosure

Fenwal 35-704903-001 Control 30067439-890 This specific model uses aThe Fenwal 35 704903 001 is a microprocessor based Direct Spark Ignition (DSI) control designed for 120VAC gas fired equipment. This single try ignition module features a 4 second Trial for Ignition (TFI) period, offering precise timing for commercial heating and industrial process applications. Engineered for reliability in demanding environments, the Fenwal 35 70 series utilizes specialized circuitry to monitor the flame via flame rectification,