35-605957-015 | Fenwal 24 VAC Direct Spark Ignition Control (JCI G76x Replacement)

Fenwal · Industrial Automation & Electrical

Description  The Fenwal 35-605957-015 is a 24 VAC direct spark ignition (DSI) control module designed as a drop-in replacement for Johnson Controls G76x series. Featuring safe start, full-time flame sensing, and configurable purge and ignition sequences, it provides precise and reliable burner control for commercial and industrial gas-fired equipment.     Technical Specifications  Condition New/Never Used Surplus Brand Fenwal Category Heating & Ignition Parts Part Number 35-605957-015 Subcategory Ignition Modules Series 35-60 “J” Series Input Power 18–30 VAC, 50/60 Hz (Class 2 Transformer) Input Current Drain 300 mA @ 24 VAC (gas relay energized) Main Gas Valve 2.0 A max continuous Ignition Type Direct Spark Ignition (DSI) Ignition Trials 1 or 3 try versions available Trial-for-Ignition Periods 4, 6, 8, 10, or 15 seconds (customizable) Prepurge Timings None, 15, or 30 seconds Interpurge Timings None, 15, or 30 seconds Flame Sensitivity ≥ 0.3 µA (min) Flame Failure Response ≤ 0.8 seconds Self-Check Rate Once per second minimum Gas Types Supported Natural, LP, or manufactured gas Spark Rate Remote sense: 50/60 Hz; Local sense: 25/30 Hz Operating Temperature -40°F to +176°F (-40°C to +80°C) Storage Temperature -40°F to +185°F (-40°C to +85°C) Moisture Resistance Conformal coated, up to 95% RH non-condensing Enclosure Dimensions 4.92 × 3.32 × 2.71 in (12.50 × 8.43 × 6.88 cm) Weight 8 oz (224 g)     Information About 35-605957-015 Part of Fenwal’s 35-60 “J” Series, the 35-605957-015 matches the footprint, wiring, and mounting of Johnson Controls G76x ignition controls, making it a seamless retrofit solution. Its microprocessor platform continuously monitors system safety, controls ignition timing, and provides diagnostic support via onboard LED fault codes. With remote or local flame sensing options, automatic reset after lockout, and multiple timing configurations, this ignition control is widely applied in furnaces, boilers, unit heaters, and commercial cooking appliances. Key Features: Direct Johnson G76x Replacement: Matches footprint, wiring, and connections. 24 VAC Operation: Compatible with Class 2 transformers. Safe Start & Full-Time Flame Sensing: Enhances ignition reliability. Flexible Timing: Custom prepurge, interpurge, and ignition trial durations. Multiple Ignition Attempts: One or three-try versions for system reliability. Diagnostic LED: Uses Fenwal fault codes for fast troubleshooting. Remote or Local Sensing: Adaptable for different burner designs. Durable Construction: Conformal coated for moisture resistance up to 95% RH. The 35-605957-015 delivers the reliability and precision required for modern gas heating and cooking systems.

Brand: Fenwal · Category: Industrial Automation & Electrical

Key features

• Direct Johnson G76x Replacement: Matches footprint, wiring, and connections.
• 24 VAC Operation: Compatible with Class 2 transformers.
• Safe Start & Full-Time Flame Sensing: Enhances ignition reliability.
• Flexible Timing: Custom prepurge, interpurge, and ignition trial durations.
• Multiple Ignition Attempts: One or three-try versions for system reliability.
• Diagnostic LED: Uses Fenwal fault codes for fast troubleshooting.
• Remote or Local Sensing: Adaptable for different burner designs.
• Durable Construction: Conformal coated for moisture resistance up to 95% RH.

Specifications

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