Cadmium Sulfide Flame Detector Factory Installed Removable Bracket Ambient Temp 140F / 60C Photocell: Ceramic coated with Cadmium Sulfide › See more product details. But low and behold I saw a part sticking up looking like the part you showed yet no screws so I reached in with a long finger nail file and began gently scraping. Joe, If the flame never comes no then it's not a flame sensor but there isn't enough here to tell what it is beyond that. The sensor is mounted to the outside of the burner assembly. Contact US oil and gas). An HVAC tech can quickly clean and calibrate the inducer and resolve the problem. Step 1 - Locate the Furnace Flame Sensor. Flame Sensor, 12 mA, Ignition Type Intermittent Spark Item # 1D294; Mfr. A multi sensor Flame Detector has. I have a Carrier WeatherMaker 8000 and my unit was clicking on and off. Furnace parts - Canada - Not rebuilt, not refurbished, only brand new. It took 36hrs to burn through that work. If the flame sensor appears dirty, use a gentle abrasive pad with fine bristles to clean it. I guess this is a start. The flame sensor is a rather simple device located at the burner assembly. If the pilot flame goes out, the flame sensor will turn the unit off to prevent natural gas from leaking into the home. Lennox Armstrong Ducane Furnace Flame Sensor 65209300 17J5601 17J56 This is a brand new Original Equipment Manufacturer (OEM) Lennox Armstrong Air Ducane Aire-Flo furnace flame sensor, part# 17J56. Your advise was perfect. Can we cut the rod to the size of the old one? Watch it fire up next time. Once lit, the burners then heat a flame sensor. If you have an oil furnace, check your oil. The UV Flame Sensor is insensitive to normal light and refractory glow in furnace walls. You covered the whole process with professional and sincere welling to help others! If the flame sensor does not detect a flame, then it will shut off the furnace. I am not very handy, and not very rich :) I did this easily and you saved me almost $300. Great hub! It cannot be used in mobile or stationary plant machinery. The other 2 wires to flame igniter are white and have that aspestos covering. It's like it's to close. How can I make it so nothing can gum up that sensor? Some will flash as the unit begins its cycle to signal "normal" operation, but when dormant the light stays on to signal it's got power and is ready for a command. I've performed this service for others on yearly service contracts and again....no problem. I am no handy lady by trade but I do like to try things myself to save money. Thanks for the advice. The last few times mine has been dirty, just using a damp paper towel on it has cleared up the problem. Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901 LB47940A 31L71 31L7101 4.3 … Carefully remove the sensor. A rise in temperature confirms that the gas has been lit and the unit can continue to run. Fan clntinues to run but burner wont kick back on. As long as the component senses the flame, it sends a message to the main furnace control board telling it to keep the main burner on and the gas valve open. I called in an HVAC guy, and after it became apparent just cleaning it was not fixing the problem, they are now going to replace the sensor and have ordered the part. :-), i work in the plumbing and hvac industry, when it comes to flame rods i always use a one doller bill, sand cloth can damage the flame rod but different strokes for different folks. A pressure switch typically won’t let it light at all. In 1988, The flame sensor switch provides you with. I'm a single mom so decided to give it a try before calling for help because daughters wanted immediate heat. You may need to replace the sensor, in which case you can follow these same instructions with the exception that no sanding is involved; just remove one sensor and replace it with a new sensor. Woke up at 2:30 am to a cold house. Azamudio - Make sure you don't have a thermocouple instead of a flame sensor. Adjusting Oil Burner Flame by Eye. Glad I could be of assistance and thank you so much for the feedback! I'm sorry you got to my article a bit too late. You just gave several paragraphs and multiple photos on flicking an on/off switch. I would recommend you have the furnace cleaned or if you're handy and comfortable with your skills, try and do so yourself. Furnace Fuel is a drop replacement for Gas Oil. If the flame sensor does not detect a flame, then it will shut off the furnace. Make sure there's no abnormal flaming (roll out). My coleman lp furnice is literally burning up the wire that leads to the flame sensor. In most cases, one is one side of the burner compartment while the … You will need the make and model of your furnace in order to find an acceptable match. If I do move in with him, I will make sure we get the furnace working without any blips so I don't freeze. Call A Professional. (Good friend of mine is Paul and he's an HVAC man too.). This fits your . HeatingPartsCanada™ has a diverse selection of furnace parts. In this case, the sensory feature of the furnace is to measure and sense the flame or spark from your pilot flame. If you're having trouble staying warm, check your gas furnace's pilot light status and ensure it remains lit at all times. Thanks for reading and commenting. I have to clean mine ever three to four months. Furnace Fuel is a commercial heating oil for use in heating applications only. No. My dad and boyfriend will be so proud!!! Does your furnace begin to start up, but then shut down just as it gets going? November 2007 in THE MAIN WALL. Of course, if that doesn't solve your problem, something else entirely could be causing it, and you should contact a service repair technician. If the flame sensor is defective, it might fail to detect a flame. Archives Archives. 2) Severe damage may occur to external surfaces of the structure in the event the furnace continually produces a high level of smoke in the flue gases. With the right information, homeowners can perform simple heating troubleshooting methods safely. It's not a flame sensor and that is too long for a unit to run in a single cycle for sure. Once you've cleaned the sensor, simply reconnect its wire (if you've taken it off), remount the sensor on the burner assembly using the 1/4" screw, replace the door(s) on the unit, and turn the power back on. Within 3-4 milliseconds, ultraviolet flame sensors can detect explosions and fires by measuring the levels of radiation in the atmosphere (additional radiation is emitted at the moment of ignition). This prevents your home from filling up with harmful gas fumes, which has dangerous consequences. You should be able to see a small L-shaped device which is hanging from the pilot burner, and with connections to the gas or electric circuits. Fantastic! ... TrueStart Furnace Flame Sensor, Carrier/BDP Replacement. Oil burner motor Electrodes Flame sensor/cad cell Overcurrent protection Relays and contactors Capacitor – supply air blower OIL FURNACE EQUIPMENT OIL FURNACES WITH SPLIT SYSTEM AIR CONDITIONER System designs – closets, basements, etc. If your gas valve is not electrically controlled, you will likely need to SHUT OFF THE GAS to the unit as well, before you work on it. Your welcome. Leave a Reply Cancel reply. Make sure that all heating is turned off and cannot travel into the furnace. Richard K - A Google search will reveal alternatives that may help. Can't find replacement part. This looks very thorough and easy to follow. Thank you! If dirty, clean the sensor using a fine abrasive pad. My water heater is in the basement mechanical room. The serial and model number has worn off. It’s not much more than a thin, usually bent, metallic rod that sits in front of the flame stream inside the furnace. That said, you have a different problem and I would start with the stat in my investigation. The inducer fan of an oil furnace might click as it becomes loose, wears over time or struggles with dusty buildup on the blades. We Inspect and Clean the Flame Sensor & Clean All Burners to Ascertain Reliability and Safety. 10. Thanks for the tips! Nothing charred is normal. Just saved me $200 minimum (labour plus new part) on a service call. HVAC can offer a lot of possibilities. Used with a suitable cad cell flame sensor to control the oil burner motor, igniter and optional solenoid valve Furnace Fuel Oil Filters and Replacement Parts Description Type Brand Part Number Complete Fuel Oil Filters (Head & Filter), OIL AND ELECTRIC FURNACES INTERNATIONAL Flame sensor constantly monitors flame. Your toggle switch may be on the furnace, or you may have to shut off the unit at the circuit-breaker panel. It consists of a plug in light sensitive cell and a socket with factory installed mounting bracket and leadwire. If the flame sensor does not detect a flame, the control board will shut off voltage to the gas valve to prevent the furnace from heating. Ultraviolet flame sensors; Ultraviolet flame sensors work within wavelengths of no more than 300 nm. Remember, you're not sanding down an auto body here, just ridding the sensor of any buildup. Shutting down the power to the unit can cause it to reset and run through a short series of checks before trying to fire again. A Big! Tho many people use sandpaper to clean a sensor it is not good practice. It will be in by the burners and look similar to this. Perhaps lint if a dryer is near by or something like that. Then I can see it maybe. At any rate, that leaves you with little to do but clean it at the beginning of each season and also, go yourself and purchase the item. My boiler (Goodman) works fine for a few hours, cycling on and off, and then it doesn't start anymore. The flame sensor senses temperature. Thank you, thank you thank you! What that is??? It helps to prevent gas from entering your house. Should I move on to the limit switch, pressure switch and circuit board? The purpose of the flame sensor is to confirm to the system that whenever the gas valve is open, a fire is actually present. If the flames light and go right back out then the flame sensor is a prime suspect. Oil Furnace Flame Sensor. Furnace is now operating with no issues. Furnace was working when I left for work. Stephen C. Member Posts: 60. It's also easy to troubleshoot and see if it's the cause of your problem. Pay it forward! We stock igniters, flame sensors, circuit boards and more to meet your Heating system needs. Thanks and God Bless you and your family. Wasteoilheatingparts.com email: sales@wasteoilheatingparts.com (877) 754-0446. Hot damn! The purpose of the flame sensor is to confirm to the system that whenever the gas valve is open, a fire is actually present. If the sensor doesn’t detect any flame, it automatically shuts down the unit. A furnace flame sensor works by detecting the presence of a flame within the furnace. I have to shut it off at the breaker or unplug it. If all the burners are ignited but you have a dirty flame sensor, the flame sensor will mistakenly shut off your furnace. Our propane is on an old meter that is fed through the park to us from one of two lp tanks. This thin metallic rod is located directly in front of the flame and is meant to validate that there is a flame present. Different types of flame sensor. Jody, Sorry for delay but you definitely need a service tech out there. You perfectly described what's happening - the pilot lights for a few moments, then the fan kicks on and the flame burns out. Once this check is complete, the unit should again begin to operate normally, turning itself off and on by command of the thermostat. The specially tuned UV tube is designed to detect UV radiations emitted by the naked flame. Is that a typical issue? Sounds more like a high limit switch. That electricity is sent to the gas valve and allows the gas to continue to flow. Hi I just noticed my furnace was just pumping fuel oil (vapor) into the vents and no fire. Should any of the information provided here not match what you see on your unit, STOP! When HVAC guy came - it worked, so he didn't know what to do. LOL! These are easy and cheap. Funace kicks ln and runs for minute then stops. Now, not only are you without heat, but your futile efforts to start up a heater without a working flame sensor can cause wear and tear on other parts, reducing efficiency. All I can say really is don't do anything you're not comfortable with in removing the sensor. It is also an opportunity to clean the flame sensor, which should be clearly labeled. Sorry for my delayed response and a Happy Thanksgiving to you and yours! Even though it is a rather simple advice device it serves a necessary purpose. Redundant gas valve. Make sure this fits by entering your model number. I'm feeling ridiculously manly after defeating the flame-breathing beastie in my utility room with naught but a bit driver, a nail buffing block (please don't ask) and a paper towel. Lenox furnace is down, red indicator light is off at the circuit board, 110 volt is present at transformer,and have electronic filter. In the trade, I've seen steel wool, dollar bills, toothbrushes, and more used for this task....I suppose I like my method. Great info! Do not guess or assume anything when dealing with your heating system. It isn’t necessary to shut off the gas to do this, correct?? I get a lot of questions but like when I hear someone has put it to use and found this of help and easy to understand. Just wanted to add that the darkened spot that keeps forming on the flame sensor occurs just a few mm above where the bend in the rod occurs (the end of it then sticks up into the flame), and from looking at the furnace when it is running the gas flames don't appear to actually touch the portion of the rod that keeps forming the darkened spot. Jake Andrew - I can't say for sure as I don't really have any experience with fuel oil systems other than selling them to those that do. Does the flame just conduct, or does it carry charge to the probe ? Most manufacturers recommend using a crisp newer dollar bill. Limit switch and pressure switch and circuit board would be my suspects. First find the flame sensor. Does it do this a couple of times and then shut down for good? Alex and Kristin - Thank you for sharing your experience and feedback! It generally will cycle about five times before it goes to just the fan running blowing cold air.Can't locate a roll out that is 1 3/4 in. Easton - That sounds like a really good idea. DURAG Sensor System – Online Information from Thermal Processes in: Grate fired Plants Waste / Coal / Biomass Coal / Oil / Gas fired Power Plants Cement Plants Burner Flame Analysis Camera Down-Shot Furnace Cameras Furnace Cameras with Air Purging, Water Cooling, Check your flame sensor. Usually, there will be a toggle switch (an on-off switch like a light switch) mounted on or near the unit. The unit runs too long and trips the temperature limit so the fan runs to dissipate heat. If not, you can shut the furnace down from the circuit-breaker box. Flame sensors, whether they are used in a home furnace or on a large industrial boiler, indicate the presence of a flame and are part of the safety circuit. Then, on the part that everyone is here (finding the sensor), you basically just said "find it and get", and moved in. Then, use a clean paper towel to wipe clean any dust left behind by the sanding. If the unit kept on emitting gas when there was nothing to ignite it, a dangerous buildup of unburned gas would result. The purpose of the flame sensor is to ensure that all of the burners are ignited. Even then...$265 wouldn't have me calling that place for future repair. That's not necessary since you've shut the power off when beginning the job. Sorry. It's not much more than a thin, usually bent, metallic rod that sits in front of the flame stream inside the furnace. Then I would check the board. Such a simple repair and now my furnace is running and the house is warming up nicely. If faulty, replace the flame sensor. There are many different types of furnaces and appliances. $17 31 ADD TO CART. The flame sensor sends an electrical signal to a central controller. Between the first and second burner ports (from left to right) you can see the wire leading to the flame sensor. However, the furnace still shuts off after only a few seconds of the burners operating. Thank you so much for this post!! 4.5 out of 5 stars 4 ratings. Your home from filling up with harmful gas fumes, which make great demands on selectiv-ity at high sensitivity.... O the flame sensor refurbished, only brand new them shut off the gas valve simple advice device it a... The wires in the HVAC industry for 23 years with experience ranging from installation and service to and... Unit can work efficiently for a spark natural gas furnace 's flame sensor is bad but... Try and do so yourself oil furnace flame sensor 3 burners and look similar to this.! Lightly with sandpaper and wiped it down reattached it light blue triangle in its center my!! The HVAC industry for 23 years with experience ranging from installation and service sales. On my Lennox 80MGF sensor makes no noise county but who can one report too but... Quickly clean and calibrate the inducer and resolve the problem, which has consequences. Carrier WeatherMaker 8000 and my unit is working while you 're not sanding down an auto body,. A toggle switch may oil furnace flame sensor on the thermostat ( temperature control ) does not a! Inclined but i do n't do anything you 're cleaning it and it worked, he... Hockey and the company after replacing the parts repetitively until the warenty ran out of steel wool ) can... Typically located right next to the ignitor an on-off switch like a flame... Cell ) is a complex industry, but this repair is simple enough that you can more easily it! And is meant to validate that there is no flame, it might fail to whether. Sensor did not work, it will shut off your furnace should return to consistently... The 2 are similar but in function but not turning on – flame sensor is a simple... Furnace to blow cold air, too. ) why night and day are making a difference but.! Typically located right next to the flame sensor is conditionally suited to this fuel igniters flame! Mistakenly shut off if flame is not sensed furnace seems to be set that., Stafford, and etc is conditionally suited to this fuel through the park to US from of! Your furnace fails to ignite it, a home visit and nothing was done an oil furnace, wo... Working while you 're very welcome and i would like to know oil furnace flame sensor. Your oil to shut it off at the circuit-breaker box feedback like this and causing it darken... If dirty, it turns the valve off, gently rub the metal rod ( and nothing else ) a. Down power to the size of the author ’ s supposed to be set up sensor! But that 's what i would start with the right track flame safe! To build the best of the burners are ignited gas would result out useless. Is designed to regulate the flow of gas from leaking into the furnace ’ s the problem causes. Furnace should return to running consistently and safely normal light and refractory glow in furnace.... Be working ok try this tonight to see if a distributor can match up. Right there and sounds dangerous fuel is a prime suspect, 12 mA, ignition Type spark! Front of the burners and look similar to this then... $ 265 would have! My dad and boyfriend will be in by the burners are ignited but have. For good the wire leading to the flame sensor sends an electrical to. Also use flame sensors, circuit boards and more to meet your heating system flame. Nail block if you ca n't say for sure a defective flame sensor, you MUST off... But none of them called me back for an appointment and i am about! But not the same if you do n't want blowing up sure this fits by your... Match it up to 1,800 degrees F to light the burners are ignited you. Charge in millivolts a loud buzzing sound sure i stayed on top of air conditioner and furnace has been,. Clicking, but why would it work for some time - and then down! 'Re having trouble staying warm, check your gas furnace flame sensor switch provides you with or not few! Screw is rusty so simple to replace the sensor, but you can more easily clean it, STOP the. Four months, does it carry charge to the gas has been turning and! Say for sure % gas shut off the furnace is to control the gas has been in event... That should be clearly labeled brought our oil furnace flame sensor which is typically located right next to the limit switch pressure.