35-705505-017 | Fenwal 120 VAC Direct Spark Ignition Control Module (Microprocessor-Based)
Fenwal · PLCs & Industrial Controllers
Description The Fenwal 35-705505-017 is a 120 VAC microprocessor-based direct spark ignition control module designed for safe and efficient operation of gas-fired appliances up to 400K BTU. Built with a durable plastic enclosure, it offers repeatable ignition sequences, onboard diagnostics, and flexible configuration options for commercial and industrial heating applications. Technical Specifications Condition New/Never Used Surplus Brand Fenwal Category Heating & Ignition Parts Part Number 35-705505-017 Subcategory Ignition Modules Series 35-70 Direct Spark Ignition Input Power 102–138 VAC, 50/60 Hz Input Current 350 mA @ 120 VAC, 60 Hz Gas Valve Rating 1.5 A @ 120 VAC Ignition Type Direct Spark, microprocessor-controlled Ignition Trials 1 or 3 (field configurable) Ignition Timing Options 4, 7, 10, or 15 seconds Reset Options Thermostat/power off or automatic (1-hour reset) Flame Sense Local or remote, 1.0 µA min current Flame Failure Response 0.8 seconds maximum Spark Rate Line frequency (50/60 Hz) Operating Temperature -40°F to +175°F (-40°C to +80°C) Gas Types Supported Natural, LP, manufactured Moisture Resistance Conformal coated, up to 95% RH Enclosure Options Plastic enclosure (this model); other variants include potted or open board Weight 7.1–14.3 oz (depending on enclosure) Information About 35-705505-017 Part of Fenwal’s 35-70 ignition control series, the 35-705505-017 provides reliable gas valve and ignition management for natural, LP, or manufactured gas systems. Its microprocessor ensures precise timing for purge and ignition cycles, while diagnostic LEDs and flame current test pins simplify troubleshooting. Designed for versatility, it supports multiple ignition trials, reset options, and flame sensing configurations. With its rugged construction and moisture-resistant coating, the module is suitable for harsh environments including heaters, dryers, infrared systems, and cooking equipment. Key Features: 120 VAC Operation: Designed for direct spark ignition control in gas-fired appliances. Microprocessor Control: Provides precise, repeatable timing sequences. Flexible Options: Supports 1–3 ignition trials and multiple ignition times (4–15 seconds). Diagnostic LED: Displays 3 error codes for fast troubleshooting. Flame Current Test Pins: Simplifies maintenance and verification. Rugged Design: Plastic enclosure with moisture-resistant coating. Versatile Applications: Compatible with heaters, dryers, and commercial cooking systems. Polarity Insensitive: Reduces chance of wiring errors during installation. The 35-705505-017 delivers the reliability and precision required for direct spark ignition in demanding HVAC and industrial systems.
Brand: Fenwal · Category: PLCs & Industrial Controllers
Key features
- 120 VAC Operation: Designed for direct spark ignition control in gas-fired appliances.
- Microprocessor Control: Provides precise, repeatable timing sequences.
- Flexible Options: Supports 1–3 ignition trials and multiple ignition times (4–15 seconds).
- Diagnostic LED: Displays 3 error codes for fast troubleshooting.
- Flame Current Test Pins: Simplifies maintenance and verification.
- Rugged Design: Plastic enclosure with moisture-resistant coating.
- Versatile Applications: Compatible with heaters, dryers, and commercial cooking systems.
- Polarity Insensitive: Reduces chance of wiring errors during installation.
Specifications
| Manufacturer part number | 35-705505-017 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Fenwal |
| Category | Heating & Ignition Parts |
| Part Number | 35-705505-017 |
| Subcategory | Ignition Modules |
| Series | 35-70 Direct Spark Ignition |
| Input Power | 102–138 VAC, 50/60 Hz |
| Input Current | 350 mA @ 120 VAC, 60 Hz |
| Gas Valve Rating | 1.5 A @ 120 VAC |
| Ignition Type | Direct Spark, microprocessor-controlled |
| Ignition Trials | 1 or 3 (field configurable) |
| Ignition Timing Options | 4, 7, 10, or 15 seconds |
| Reset Options | Thermostat/power off or automatic (1-hour reset) |
| Flame Sense | Local or remote, 1.0 µA min current |
| Flame Failure Response | 0.8 seconds maximum |
| Spark Rate | Line frequency (50/60 Hz) |
| Operating Temperature | -40°F to +175°F (-40°C to +80°C) |
| Gas Types Supported | Natural, LP, manufactured |
| Moisture Resistance | Conformal coated, up to 95% RH |
| Enclosure Options | Plastic enclosure (this model); other variants include potted or open board |
| Weight | 7.1–14.3 oz (depending on enclosure) |
| Product type | Ignition Modules |
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