Typically, the flame sensor comes in the form of a rod that can be found near the back of the furnace, right in the path of the burner. Enlarge Photo: 271W Furnace Igniter - 41-402 Part #: 41-402 19" Lead Wire. Older furnace units may employ a constant pilot flame for the ignition process. B1401009 igniter for Goodman brand furnaces. FLAME SENSOR. 55 My flame sensor needs to be cleaned every 24-36 hours or less in order for the furnace to work properly, as a black stripe of material keeps forming on the exact same spot over and over again. In these types of units, a pilot sensor is no longer employed and the main flame is the only one recorded with the bi metallic sensor. Defective flame sensor. If you replace it yourself, the sensor will cost $6 to $75 based on the furnace model and whether you buy an OEM part or a universal sensor. American Road Equipment: 201W Armstrong Air: 38322B001 Claire Brothers: C-238 & C-242 Coleman: 1474-052 & 1474-052 DMO Industries: 20834 Dornback: 271W Enerco Tech: 10399 Evcon: 1474-051 & 1474-052 Goodman 10735003A Hupp: 09050 … Wire Length. Most of the time, furnaces go into ignition lockout because of issues with flame sensors, igniters, or limit switches. FLAME SENSOR. Convert a conventional standing pilot system to an intermittent pilot system with a standing pilot conversion kit. furnace ignitor. The flame sensor safeguards your furnace by ensuring that gas flows only when there is a flame to ignite it. Direct Spark Ignitor - 1-15/16 in. This is the reason most furnaces will fail to operate. Choose from universal direct spark ignition controls and hot surface ignition modules. DIY flame sensor repair cost: If you clean the sensor, and that does the job, your price can be less than $5 for emery cloth. A professional repair can also protect you from injury or accident. x 96 in. Dryer Ignitors, Furnace Ignitors, and Range Ignitors Search for a Part: Investigate the symptoms on your own, then call a professional to handle a repair. The furnace’s computer uses the signal from the flame sensor to confirm a successful ignition and turn off the igniter. $10.95 Same Day Shipping on All Items. $10.95 Same Day Shipping on All Items. A dirty flame sensor may cause your furnace to function improperly. Part # 62-23543-06. Part # 62-23543-05. $21.15 EACH WHEN PURCHASED in a 2 PAK!! Part # 45-42375-82. IGN CABLE/ELECTRODE KIT. Here are the most common lockout culprits explained. When you need a furnace ignitor or other furnace controls, shop Grainger first! When the igniter fails, the flame sensor will shut the furnace down and cut the gas supply off. Once lit, the burners then heat a flame sensor. Defective flame sensors are one of the most common causes of lockouts. Most high-efficiency furnaces use a “hot surface” igniter that heats up to 1,800 degrees F to light the burners. You can fix an igniter problem on a furnace by replacing the igniter. Flame Sensor. What causes furnace ignition lockout? Flame Sensor. Cost of Furnace Flame Sensor Replacement. Intermittent Pilot Spark Ignitor. APPLIANCEMATES 52W29 Furnace Flame Sensor Replacement Part Compatible with Lennox Armstrong & Ducane Furnaces 52W2901 LB47940A 31L71 31L7101,4 Pack 5.0 out of 5 stars 2 $14.55 $ 14 . Most furnaces use an igniter and flame sensor to ignite the gas and supply heat to the home. Find a flame sensor or auto pilot relighter here. Intermittent Pilot Spark Ignitor. Newer furnace units now use a real time pilot mechanism which generates a spark to ignite the furnace flame. At the first signs of a faulty furnace ignitor, take action. Flame Sensor. An ignitor repair or replacement is often an inexpensive fix that can save you from more significant (and expensive) furnace repairs. Exact flat bar ignitor, not the replacement round ignitor that is more prone to premature failure. $$$ SAVE MONEY $$$ BUY a 2 PAK!! Flame Sensor.