Fenwal 35-605601-001 Module

The Fenwal 35-605601-001 is a robust 24V direct spark ignition control designed for precise combustion management in gas-fired heating systems. This microprocessor-based module is engineered with a 4-second Trial for Ignition (TFI) and operates with 0-second pre-purge, ensuring immediate ignition sequences for high-demand applications. As a veteran technician knows, the Series 35-60 architecture offers superior timing repeatability compared to older analog controls, making it a reliable choice for commercial cooking equipment, unit heaters, and industrial boilers. The 35-605601-001 module features on-board diagnostics with a system LED for rapid troubleshooting and flame current test points to verify signal strength at the sensor. Its Noryl gray enclosure is fire-retardant and designed for performance in ambient temperatures ranging from -40°F to 176°F. This unit supports remote or local flame sensing and is compatible with natural, manufactured, and LP gas types, providing a flexible solution for modernizing legacy DSI ignition configurations without extensive re-wiring.

• Precise Microprocessor Control: Delivers consistent 4-second TFI and provides an automatic one-hour reset after lockout for safe system recovery.
• Integrated Diagnostics: The built-in LED flashes specific fault codes, significantly reducing downtime during field service calls.
• Flexible Compatibility: Engineered for use with Detect-A-Flame technology and suits diverse 24VAC HVACR equipment footprints.
• Durable Construction: Conformal-coated circuitry offers high moisture resistance (up to 95% R.H. non-condensing) for demanding environments.

• What is the purpose of the FC terminals? These are flame current test pins used to measure the DC microamp signal (minimum 0.7µA) without breaking the circuit.
• Can this replace a module with a pre-purge? This specific model (001 suffix) has no pre-purge. If your sequence requires a combustion blower delay, verify your system timing before installation.
• Is the ignition trial single or multiple? The 35-605601-001 is typically configured as a single trial for ignition module.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.