{"product_id":"35-705505-017-fenwal-120-vac-direct-spark-ignition-control-module-microprocessor-based","title":"35-705505-017 | Fenwal 120 VAC Direct Spark Ignition Control Module (Microprocessor-Based)","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe 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.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFenwal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeating \u0026amp; Ignition Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35-705505-017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIgnition Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35-70 Direct Spark Ignition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102–138 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350 mA @ 120 VAC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGas Valve Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 A @ 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIgnition Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Spark, microprocessor-controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIgnition Trials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 or 3 (field configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIgnition Timing Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4, 7, 10, or 15 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReset Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermostat\/power off or automatic (1-hour reset)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlame Sense\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLocal or remote, 1.0 µA min current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlame Failure Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8 seconds maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpark Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLine frequency (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°F to +175°F (-40°C to +80°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGas Types Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural, LP, manufactured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMoisture Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConformal coated, up to 95% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic enclosure (this model); other variants include potted or open board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.1–14.3 oz (depending on enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 35-705505-017\u003c\/h4\u003e\n\u003cp\u003ePart 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e120 VAC Operation: Designed for direct spark ignition control in gas-fired appliances.\u003c\/li\u003e\n\u003cli\u003eMicroprocessor Control: Provides precise, repeatable timing sequences.\u003c\/li\u003e\n\u003cli\u003eFlexible Options: Supports 1–3 ignition trials and multiple ignition times (4–15 seconds).\u003c\/li\u003e\n\u003cli\u003eDiagnostic LED: Displays 3 error codes for fast troubleshooting.\u003c\/li\u003e\n\u003cli\u003eFlame Current Test Pins: Simplifies maintenance and verification.\u003c\/li\u003e\n\u003cli\u003eRugged Design: Plastic enclosure with moisture-resistant coating.\u003c\/li\u003e\n\u003cli\u003eVersatile Applications: Compatible with heaters, dryers, and commercial cooking systems.\u003c\/li\u003e\n\u003cli\u003ePolarity Insensitive: Reduces chance of wiring errors during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 35-705505-017 delivers the reliability and precision required for direct spark ignition in demanding HVAC and industrial systems.\u003c\/p\u003e","brand":"Fenwal","offers":[{"title":"Default Title","offer_id":49105190355200,"sku":"35-705505-017","price":396.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l960_a082d6f5-c340-4430-ba49-9bafbd4df0c3.webp?v=1785542242","url":"https:\/\/alotechparts.com\/products\/35-705505-017-fenwal-120-vac-direct-spark-ignition-control-module-microprocessor-based","provider":"Alo Tech Solutions","version":"1.0","type":"link"}