{"product_id":"lifetime-warranty-spkfa1009-heater-spark-plug-fit-for-120210k-dyna-gl-dura-heat-thermoheat-heaters-replace-ve53f-dfa400t2-kfa125dgd-kfa125h-kfa125l-kfa125wh-kfa170dgd-kfa170wh-kfa400dgd-kfa400pf2","title":"[Lifetime Warranty] SP-KFA1009 Heater Spark Plug - Fit for 120-210K Dyna Gl Dura Heat Thermoheat Heaters - Replace VE53F DFA400T2 KFA125DGD KFA125H KFA125L KFA125WH KFA170DGD KFA170WH KFA400DGD KFA400PF2","description":"\u003ch2\u003eSP-KFA1009 \/ VE53F Heater Spark Plug\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tension Ignition Electrodes:\u003c\/strong\u003e Engineered from a specialized, heat-resistant alloy designed to generate a consistent, high-intensity spark across a wide range of ambient temperatures, ensuring reliable ignition in sub-zero conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Grade Ceramic Insulator:\u003c\/strong\u003e Features a high-density ceramic body that provides superior electrical insulation, preventing high-voltage \"leakage\" to the heater chassis and directing the full electrical discharge to the fuel stream.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoot \u0026amp; Carbon Resistance:\u003c\/strong\u003e The electrode geometry is optimized to reduce the accumulation of carbon and soot deposits, maintaining a clear spark path even during extended runs or when using lower-grade fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Heat Stabilization:\u003c\/strong\u003e Manufactured to withstand the extreme internal combustion temperatures of high-BTU forced-air heaters without warping or losing electrical conductivity over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Part:\u003c\/strong\u003e SP-KFA1009.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standards:\u003c\/strong\u003e VE53F, DFA400T2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGHP Group Codes:\u003c\/strong\u003e 2154-0013-00, 2154001300.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis spark plug is the primary ignition component for large-capacity (120K to 210K BTU) forced-air kerosene and diesel heaters. Key compatible brands and models include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDyna-Glo:\u003c\/strong\u003e Fits models \u003cstrong\u003eKFA125DGD\u003c\/strong\u003e, \u003cstrong\u003eKFA125H\u003c\/strong\u003e, \u003cstrong\u003eKFA125L\u003c\/strong\u003e, \u003cstrong\u003eKFA125WH\u003c\/strong\u003e, \u003cstrong\u003eKFA170DGD\u003c\/strong\u003e, \u003cstrong\u003eKFA170WH\u003c\/strong\u003e, \u003cstrong\u003eKFA210DGD\u003c\/strong\u003e, and \u003cstrong\u003eKFA210H\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDura Heat:\u003c\/strong\u003e Compatible with various DFA series heaters including \u003cstrong\u003eDFA125\u003c\/strong\u003e, \u003cstrong\u003eDFA170\u003c\/strong\u003e, \u003cstrong\u003eDFA170T\u003c\/strong\u003e, and \u003cstrong\u003eDFA210\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermoheat:\u003c\/strong\u003e Direct fit for high-BTU models such as \u003cstrong\u003eKFA125\u003c\/strong\u003e and \u003cstrong\u003eKFA170\u003c\/strong\u003e series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Fuel Units:\u003c\/strong\u003e Designed for heaters rated between 120,000 and 210,000 BTU that utilize kerosene, diesel, JP8, or Jet A fuel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Not compatible with smaller 45K-80K BTU heaters, which often utilize a different electrode mounting bracket.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater Won't Ignite:\u003c\/strong\u003e The most common symptom; the fan runs and fuel is misting, but there is no \"clicking\" sound or spark to light the fuel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelayed Ignition:\u003c\/strong\u003e The heater \"puffs\" white smoke for several seconds before finally igniting with a loud boom, indicating a weak or inconsistent spark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCracked Ceramic Insulator:\u003c\/strong\u003e Visible hairline fractures in the white ceramic allow the spark to jump to the metal frame rather than the fuel nozzle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Carbon Buildup:\u003c\/strong\u003e The electrodes are covered in a thick, black crust that prevents a clean spark from bridging the gap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEroded Electrodes:\u003c\/strong\u003e Upon inspection, the metal tips of the spark plug are significantly shortened or rounded off from years of use, making the gap too wide for the transformer to jump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e **CRITICAL:** Always unplug the heater from the power source before performing maintenance. The ignition transformer produces several thousand volts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the Spark Gap:\u003c\/strong\u003e **PRO TIP:** Before installing, use a feeler gauge to verify the electrode gap. For most 120K-210K BTU heaters, the ideal gap is approximately \u003cstrong\u003e0.14\" to 0.16\" (3.5mm to 4.0mm)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the Photocell:\u003c\/strong\u003e While you have the burner head open, wipe the \"Cad Cell\" (flame sensor) with a soft cloth. A dirty sensor will cause the heater to shut down even if the new spark plug works perfectly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNozzle Alignment:\u003c\/strong\u003e Ensure the spark plug is centered over the fuel nozzle. If it is tilted, the spark may not hit the fuel mist correctly, leading to starting failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighten Carefully:\u003c\/strong\u003e Secure the mounting screw firmly so the plug doesn't vibrate out of alignment, but be careful not to over-tighten and crack the ceramic body.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46495303172285,"sku":"AZ00154425","price":22.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00154425_1.jpg?v=1773213041","url":"https:\/\/bluestarsparts.com\/products\/lifetime-warranty-spkfa1009-heater-spark-plug-fit-for-120210k-dyna-gl-dura-heat-thermoheat-heaters-replace-ve53f-dfa400t2-kfa125dgd-kfa125h-kfa125l-kfa125wh-kfa170dgd-kfa170wh-kfa400dgd-kfa400pf2","provider":"BlueStars Parts","version":"1.0","type":"link"}