Fenwal 35-655006-011 Control

120/240V NO PP 4S TFI 3 TRIES

Fenwal 35-655006-011 Ignition Control – Hot Surface Ignition, 24V, 3-Try Module

The Fenwal 35-655006-011 Ignition Control is a reliable microprocessor-based control designed for gas-fired HVAC and heating appliances. Part of Fenwal’s trusted Series 35-65 / 35-66, this control integrates multiple ignition and safety functions into a single module, helping reduce system complexity and overall operating costs.

This model features hot surface ignition, three ignition tries, and no pre-purge (NO PP) operation. It monitors the call for heat, controls the combustion blower, verifies airflow, ignites and maintains the burner flame, and provides advanced onboard diagnostics. A built-in LED diagnostic indicator simplifies troubleshooting and supports safe, efficient burner operation.

With field-selectable 120/240V line voltage capability and compatibility with 24V systems, the Fenwal 35-655006-011 offers excellent flexibility for both new installations and replacement applications. Designed for harsh environments, it operates reliably across a wide temperature range and supports multiple fuel types.

Product Highlights

• Hot Surface Ignition (HSI)

• 3-Try ignition sequence

• 24V control voltage

• Field-selectable 120/240V line voltage

• No pre-purge operation

• Diagnostic LED for troubleshooting

• Automatic reset option

• Safe start and full-time flame sensing

• Blower control and airflow switch monitoring

• Flame current test pins

• Local or remote flame sensing

• Dual-speed blower support for LoNox applications

Applications

• Gas-fired HVAC equipment

• Furnaces and heating appliances

• Natural gas, propane, and manufactured gas systems

Specifications

• Product Type: Ignition Control

• Ignition Type: Hot Surface Ignition

• Voltage: 24V

• Line Voltage: 120/240V (field selectable)

• Temperature Range: -40°F to 176°F

• Flame Sense: 0.7 µA minimum

• Fuel Type: Natural Gas, Propane, Manufactured

The Fenwal 35-655006-011 Control delivers dependable ignition performance, enhanced safety monitoring, and service-friendly diagnostics—making it an ideal OEM replacement or upgrade for professional HVAC applications.