This specific model uses a sleeve bearing system

This flexibility is critical for valve sequencing where multiple valves must operate at different signal pressures from a single controller

featuring a critical modification to the electrical connection for enhanced compatibility and ease of installation

Built with a rugged NEMA 3R aluminum enclosure

As a genuine Trane OEM replacement part

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,