Fenwal 35-605939-337 Ignition Module

Roberts Gordon Ignition Module

35-605939-337 is the direct replacement for 790-325

Fenwal 35-605939-337 Ignition Module – Direct Spark Ignition Control, 24V

The Fenwal 35-605939-337 Ignition Module (Roberts Gordon replacement) is a 24V microprocessor-based Direct Spark Ignition (DSI) control designed for safe, reliable operation in a wide range of heating applications. Built with advanced monitoring and diagnostic features, this module ensures efficient ignition control for furnaces, boilers, water heaters, commercial cooking equipment, and similar appliances.

Key Features & Benefits:

• Ignition Type: Direct Spark Ignition (DSI)

• Voltage: 24 VAC microprocessor-based control

• Temperature Range: -40°F to 160°F for dependable performance in extreme conditions

• Fuel Compatibility: Natural Gas, Manufactured Gas, and Propane

• Enhanced Safety & Control:

  • Monitors pressure switches and flame signals

  • Provides multiple tries for ignition

  • Remote or local flame sensing with minimum 0.7 µA flame signal

• Diagnostics & Reset Functions:

  • Built-in system diagnostic LED for quick troubleshooting

  • Automatic reset after 1-hour lockout

  • Alarm output with normally closed contact

  • Flame current test pins for accurate monitoring

• Additional Control Features:

  • Combustion blower control

  • Custom prepurge and interpurge timings

Applications:

• Gas Furnaces

• Boilers

• Water Heaters

• Commercial Cooking Equipment

• Other gas-fired heating appliances

Why Choose Fenwal 35-605939-337?
Trusted for its safety, durability, and diagnostic capabilities, the Fenwal 35-605939-337 Ignition Module delivers consistent performance across commercial, industrial, and residential heating systems.

Keywords: Fenwal 35-605939-337 Ignition Module, Roberts Gordon Ignition Control, Direct Spark Ignition 24V, Fenwal DSI Module, Gas Furnace Ignition Control, Boiler Ignition Module, HVAC Replacement Ignition Control