If you ever need assistance choosing the right Blower Motor, Gaskets Burner, Electric Heat Kit, Flame Sensor, Flue Part, Gas Valve, Heat Exchanger, Ignitor, Induce Draft Blower, LP Conversion Kit, Pilot Burner, Pilot Orifice, Pressure Switch, Thermocouple, Blower Part, Cabinet Part, or Control Board please contact us via Live Chat or call us at 1-866-215-3831. When the thermostat calls for heat, electricity flows to the igniter, which begins to heat up. "How To Repair Gas Furnaces" It also features a safety valve, known as a thermocouple, to stop the gas flow if the pilot light goes out. Around that time and into the 1990s, some manufacturers, including Rudd and Rheem, equipped their furnaces with direct spark igniters, which were different from intermittent spark igniters in two ways: They worked electronically, not manually, and they ignited the gas in the burner, not in a pilot. Thus, the pilot light thermocouple can quickly tell whether the furnace flame is ON or OFF and shut down the appliance accordingly. Add to Wish List. Gas flow to pilot assembly. It provides a small, continuous flame that serves as an ignition source for the furnace. If you're having issues with your pilot light, call us at 978-750-6900 or reach out online to schedule a service appointment and get your home heated again. You're doing this to ease the furnace into working normally later on. Please remove one or more products from your sample bag before requesting another sample, Self-Recuperative and Radiant Tube Burners, Exothermics Heat Exchangers & Indirect Air Heaters. Add to Cart. Q: What are the common problems with furnace pilot burners? The safe use of a gas furnace depends upon a steady flow of fuel and a strong, continuous flame. Menu Navigation Menu New Access My Account, Order History, Lists and more here. $17.85. 3. The Williams P322398 is a pilot assembly for use with Williams Gravity Direct Vent Wall Furnaces. $20.39 + $2.29 shipping. If you are a homeowner looking to repair your own appliance, understand that the voltages can be lethal, the fuels are highly flammable and high pressures are used. Low Inventory. Troubleshooting Gas Furnaces and Gas Heaters. This video is part of the heating and cooling series of training videos made to. Your Price: $27.16. Your current cart will be available if you log back into this account again. Some HVAC pros liken the ignition process of a furnace with a hot surface igniter to a well-choreographed dance. Thermo pilot burner for safe ignition of atmospheric gas burners in conjunction with automatic burner control units IFS/IFD or PFS/PFD. ( P142700 gasket is not included) Natural Gas Model numbers include 2003822 and 3003822, and can be used with all altitude options. One of the first signs that your pilot light is out (for standing pilot systems) is when the furnace isnt kicking on. 104 Plumbing Plus Universal Pilot Burner for Gas Appliances, LPG and Natural Gas. Learn how to calibrate a thermostat. 161K views 6 years ago Gas flame safety controls In this one, I delve into the design of the pilot assembly. First off, the burners wont light, meaning you cannot get heat from the furnace. Step 1: Shut Off Your Furnace The first thing you should do is to turn the furnace completely off. If the pilot light keeps going out, or if the main burner won't light, then it's likely that the thermocouple is faulty. Ideally, yes. Shop products from small business brands sold in Amazons store. Sponsored. The thermocouple is an inexpensive part that you can purchase online or from an appliance dealer, and you can clean the pilot tube with a combination of compressed air and a pipe cleaner. HVACPartsShop.com Copyright 2023. Do new furnaces have pilot lights? . Hot surface igniters should be the most trouble-free of all ignition systems, but they commonly fail, and the problem is often contamination on the heating element. Rotate the gas valve on the intake pipe to turn it off. They are sensitive to overheating, which can happen when the air filters are dirty and airflow is restricted, and they break down more quickly when the furnace cycles on and off too often, which can happen if the furnace is too small for the house. Intermittent pilot lights use a spark plug that combusts spontaneously when exposed to high-temperature gas. Inlet Natural Gas Pilot Assembly, Resideo Standing Pilot Burner for Natural Gas with Front Single-Tip Style, Resideo Multi-System Intermittent Pilot Burner, Resideo Q345 Combination Intermittent Pilot Burner and Igniter with Front Tip, Resideo Multi-System Intermittent Pilot Burner with Spark Igniter and Flame Sensor, White-Rodgers PG9 Series 750Mv Generator & Pilot Burner Cobra Type 90 Right Porting, White-Rodgers PG9 Series 750Mv Generator & Pilot Burner Cobra Type 90 Left Porting, Resideo Standing Pilot Burner for Natural Gas with Left Single-Tip Style, Something went wrong with our inventory service. On the minus side, standing pilot systems waste gas, and gas furnaces that employ them are considered low to mid efficiency, with annual fuel utilization efficiency (AFUE) ratings of 80 or less. Therefore, you need to understand it better and take the best care of it. If you have an older furnace with a standing pilot and the pilot keeps going out, it may be a sign that it's time to replace the air filters because the pilot may not be getting enough air. Lets now discuss why your furnace may go off (accidentally), how to fix them, and how to relight your pilot light. On other units, remove the panel that covers the pilot and gas burners. Furnace ignition systems have telltale giveaways. On one side, the experts say that you should leave the pilot light ON throughout as its safer that way. Meanwhile, modern furnaces are fitted with innovative ignition systems that only light the pilot when the thermostat calls for heating. How Does a Gas Water Heater Thermocouple Work? Part # Q3400A1024 $126.19 EACH Add to Cart Robertshaw 1820 Series 1/4 in. Images are for illustration, products subject to manufacturer revision. Save time shopping for the products you need for your next job. Sign up to receive exclusive communications. You'll want to have these tools on hand to check the pilot light: The thermocouple is a gas furnace component located near the pilot light burner. If the igniter malfunctions, the furnace won't work, and depending on the type of pilot, you may be able to fix it without calling a service pro. http://www.youtube.com/FergusonEnterprises, https://www.houzz.com/pro/fergusonshowrooms/ferguson-bath-kitchen-lighting-gallery, View All Janitorial & Cleaning Supplies >>, How To Improve Water Heater Efficiency With A Tank Booster, Best Pull-Down Kitchen Faucets That Won't Break The Bank, Drinking Fountains & Bottle Filling Stations, How to Grow Your HVAC Business With Smart Home Installation Services, Tips to Prepare Contractors for Cold Weather, Guide to MaP Toilet Testing for Low Flow Toilets, Benefits of Claiming Your Business on Google, 5 Common Trenching & Excavation Safety Hazards, 4 Tips to Minimize the Dangers of Dust Inhalation, Do Not Sell or Share My Personal Information. A standing-pilot gas furnace is equipped with a naturally aspirating gas burner, a draft hood, a solenoid-operated main gas valve, a continuously operating pilot light (standing- pilot), a thermocouple safety device, a 24-volt AC transformer, a heat exchanger, a blower and motor assembly, and one or more air filters. It remains lit once it is on until you shut down the furnace at the end of the winter season. Make sure the main gas supply valve is on and if it is, call a service pro to diagnose problems with the gas valve or the control panel. So, not turning it off during the summer can easily leave you with a bill close to $320 bill or more. Toilets, Installation, Accessories, & Repair Parts, Water Fountains, Coolers & Bottle Filling Stations, Water Security (Alarms, Shut Offs, & Floats), Fan Centres (Relay & Transformer Combinations), Humidifiers / Dehumidifiers (Complete Units & Parts), Recirculating Pumps, Bearings, Motors, & Repair Parts, Valves (Pressure Relief, Temperature / Pressure & Vacuum), Draft Inducer / Flue Exhaust (Blowers & Motors), Fan Centres ( Relay & Transformer Combinations ), Resideo Honeywell Q314A4586 Pilot Assembly, Nat.Gas/LP, Front Single Tip, Target Style, For Continuous (Standing) Pilot Burners, Resideo Honeywell Q3451U1000 Universal Pilot Assembly, Nat.Gas/LP, Adjustable Tip, Single Style, For Intermittent Pilot Burners, Baso Universal Pilot Burner Nat/LP Gas Shell Head, Baso Safety Shutoff Pilot Switch Nat/LP Gas, Resideo Honeywell Q314A6102 Pilot Assembly, Nat.Gas/LP, Right Single Tip, Target Style, For Continuous (Standing) Pilot Burners, Robertshaw 785-001 Automatic Pilot Relite Kit 24/110V, Baso Electrode, Pilot Burner & Sensor Kit for Reznor Unit Heaters, Baso Universal Pilot Burner Assembly Nat/LP Gas Y Channel, Teledyne Laars Pilot Burner/ Spark Ignition Assembly, Natural Gas for Boilers, Baso Universal Pilot Burner Assembly Nat/LP Gas # 8 Tip, Keeprite ICP Furnace Inshot Gas Burner Assembly, Baso Electrode, Pilot Burner & Sensor Kit for Reznor Roof Top Units, Lennox 69W73 Natural Gas To Lp Conversion Kit For M193UHO Series, Emerson White-Rodgers PG9A28JTL024 Pilot GeneratorWith LP Orifice, Baso Automatic Shutoff Pilot Gas Valve, 3/4 x 3/4 in. If instructions for relighting the pilot are not provided, follow this general procedure: Please copy/paste the following text to properly cite this HowStuffWorks.com article: Fix-It Club The standing pilot is the traditional ignition method for gas furnaces, and it's still common on other gas appliances, such as water heaters, stoves and room heaters. The pilot light controls, reset buttons, gas valves, and thermocouple are usually contained in an assembly at . If the burners wont come on, the pilot light is likely out no matter how many times you start the furnace. Baso Electrode, Pilot Burner & Sensor Kit for Reznor Roof Top Units. Sign up to receive email about product launches, events, deals & more! : To make sure there's actually a problem with your heating system, you may want to check the thermostat, too. If your pilot light goes out, all you need to. However, not all furnaces have a constantly present pilot light flame. GAS AND FURNACE HEATER TROUBLESHOOTING CHART. A: A furnace pilot burner is necessary because it provides a reliable source of ignition for the furnace. (P142700 gasket is not included), 26 Chapin Rd You need to light it manually with a match if the flame goes out. Price and other details may vary based on product size and color. When the thermostat calls for heating, the furnace sends low-voltage, high current electricity through the igniter, causing it to become red hot, typically at 2500. $190.50. Ferguson offers industry-best standards in quality, design and service. Height: 2 1/2". For more articles on home repair, check out the following links. . RV Water Heater Pilot Burner Replacement for Suburban 161156. Know your limits. To gain access to the pilot burner, pull the door out of the furnace housing. A standard pilot light gets fuel via a small tube attached to the line feeding your burners. A gas furnace must have a way to ignite the gas in order to start a flame. This Pilot Assembly is usedin both natural gas and propane (lp) appliances. Lets take a step back to understand better the role of the pilot light on a gas furnace and why keeping it ON or OFF is a big deal. A furnace with a standing pilot has a control knob, usually red, with three settings: "off," "on" and "pilot," and the pilot setting is midway between the other two. If the pilot won't stay lit, replace the thermocouple with a new one of the same type. They were among the first furnaces to replace the standing pilot with an electric spark igniter. Find many great new & used options and get the best deals for Universal Pilot/Ignitor Assembly for Intermittent Pilot Application S8600F 8600H at the best online prices at eBay! A standing pilot gas valve has the main gas feed supplied by the large gas pipe. Natural gas and propane burn cleaner than fuel oil, and most gas furnaces present fewer operational difficulties than oil burners do. MASTER LIC. Dico 30" Thermocouple DT-30" for Gas Furnaces and Water Heaters. Depending on the age of your gas furnace, it will either have an igniter or a pilot light that serves this purpose. Browse by Application, Manufacturer & more. However, turning it off merely because youre away for the night and back on when you return home is not good practice. many of the solutions are as easy as pressing a button. HVAC Pilot Assemblies Best Selling Carrier Bryant Payne Furnace Pilot Burner 3-wire (LH680005) (3) $44.00 New $35.00 Used Robertshaw 1830-620K Safety Switch Kit (2) $49.90 New REZNOR 061145 / 061145 (NO BOX) $84.99 New Honeywell CS8860A1272 / 233-48999-03a Pilot Ignition Assembly NG Only $38.99 New The intermittent spark igniter was the first type introduced to allow a standing pilot to be ignited without a match, and it was common in furnaces manufactured in the 1980s. Pilot burner with forced air supply for safe ignition of gas burners in conjunction with automatic burner control units IFS/IFD or PFS/PFD. Special Offer on Antivirus Software From HowStuffWorks and TotalAV Security. 1996-2023, Amazon.com, Inc. or its affiliates, Select a location to see product availability, Makers of Fine Furniture for Your Hearth & Home. Does a furnace pilot light always stay on? for fireplaces by FMI, Desa, Empire LPG8414 103778-01. Any kind of engine or appliance that burns combustible fuel needs an ignition system to start combustion. Learn how to calibrate a thermostat. P323011 Williams Furnace Gas Valve. Ruud vs. Goodman: Which Air Conditioner is Better? If everything goes to plan, the pilot flame remains on throughout to repeatedly light your burners whenever you turn on the furnace. It is a safety device that shuts off the gas if the pilot light goes out or the electric igniter fails. Then try lighting the pilot. If the pilot flame is strong but the furnace is still not igniting, you may need to replace the gas valve or call a professional for further assistance. On gas furnaces with pilot burners there is a pilot orifice to limit the gas flow to to the burner. This one covers the installation of the aftermarket intermittent pilot ignition system. To Keep your current cart, click CLOSE and then save your cart before changing currency. You can learn how to replace the thermocouple in this video: https://youtu.be/3EKbSiAJyiIWatch more furnace repairs: https://www.youtube.com/playlist?list=PLCo9SMjkdWBwU5dJaopTR09W7U05fEOF5___________________________00:00 Intro00:36 Identify the Pilot01:27 Safety First02:01 Relighting___________________________AMRE Supply provides homeowners, service contractors, and property management with the parts and knowledge needed to get the best performance out of any property. This assembly features a compact de. Sponsored. There are two pointers on the fan side; the blower goes on at the upper pointer setting and turns off at the lower pointer setting. $4.99 + $5.85 shipping. Homeowners can often replace a thermocouple or even a pilot assembly themselves and save the cost of calling an HVAC technician, which is a plus of having a furnace with a standing pilot. Usually Leaves Warehouse in 2 - 3 Business Days, California residents see Prop 65 WARNINGS, Pilots, Ignition Kits, Generator Assemblies, Screws, Nuts, Bolts , Other Small Hardware, Williams Furnace Company P322398 Pilot Generator Assembly, Williams Furnace Company P043800 Generator Assembly, Williams Furnace Company P322399 Pilot Assembly - LP, Williams Furnace Company P322396 Pilot Generator Kit, Williams Furnace Company P323700 Pilot Generator Assembly, Williams Furnace Company P142700 Pilot Gasket for Direct Vent Wall Furnaces, Williams Furnace Company P295200A Gas Valve Direct-Vent, NG, Williams Furnace Company P043801 Thermocouple, Williams Furnace Company P332539 Z8-Timer, Williams Furnace Company P322397 Pilot/Generator Assembly for Monterey Top Vent Furnaces - LP, Williams Furnace Company P322391 Thermocouple, Williams Furnace Company P323011 Gas Valve for Monterey Top Vent Furnaces, Gas and High Altitude Conversion Kit Guide. On some gas furnaces and heaters, a plug-type door covers the pilot light assembly. Control Assembly Pilots, Ignition Kits, Generator Assemblies Williams Furnace Company P323700 Pilot Generator Assembly Sku: WILLIAMS-FURNACE-P323700 Usually Leaves Warehouse in 2 - 3 Business Days $103.52 Qty. Remove the furnace cover panel, which should expose the burner assembly and pilot. White Rogers 30" Thermocouple H06E-30 for Gas Furnaces and Water Heaters. The Williams P322398 is a pilot assembly for use with Williams Gravity Direct Vent Wall Furnaces. Alternatively, you may notice a small blue flame within the burner assembly if the pilot light is ON. You can only request up to 6 free samples. In this section displayed are many replacement elements and complete kits for adding or repairing various applications. However, youre allowed to shut down your furnace to save on costs during the summer. Although it costs a little more to keep the pilot light ON round the clock, the benefits typically outweigh the downsides. Privacy Settings, We're having difficulty searching. Pilot lights feature a small tube that allows a small amount of gas to come out and keep the light burning. [4] 2. Do Not Sell or Share My Personal Information| Gas Furnace Heaters Pilot/Ignitor Assembly for Dayton Sterling Beacon Honeywell. You save: $4.20. Gas furnace controls light a pilot, prove the pilot is lit, open the main gas valve to the main burners and the pilot will light the gas and keep operating . VAPrivacyRights| The hot surface ignition system came soon afterward and is the one found on virtually every new furnace today. We sell original equipment manufacturer (OEM) parts from most brands, including Lennox, Carrier, Bryant, Rheem, Ruud, Goodman, Armstrong, Trane, York, etal. On a typical gas furnace, the pilot light is a small gas flame that acts both as an ignition source for a larger burner within the furnace, as well as an indicator of whether your furnace is actually burning and producing heat. Call Cranney Home Services for Gas Furnace Repair. Depending on when it was manufactured, your gas furnace could employ either of these basic technologies to ignite the gas, and if the furnace is very old, it could be making use of one of the original gas ignition methods: a standing pilot light. Cozy 84128 NG Natural Gas Pilot Burner $22.96 / ea. If the pilot light goes off, the thermocouple quickly cools down, stops producing electricity, and thus the valve closes, instantly cutting the gas supply. Alternatively, you can check inside the burner compartment. This needs to be done so it is not hot and is safe to open. The entire ignition process can occur in as little as 15 seconds. Cozy 78098 NG Natural Gas Pilot Assembly $78.95 / ea. CAPrivacyRights| Because this item is not stocked in our warehouse, processing, transit times and stock . The standing pilot is the traditional ignition method for gas furnaces, and it's still common on other gas appliances, such as water heaters, stoves and room heaters. Please refer to the appropriate section for your specific furnace. The pilot light should light, but keep holding the small button down for about a minute. No, modern gas furnaces dont have a pilot light. All Rights Reserved. In fact, the problems that affect gas furnaces typically involve the furnace's thermocouple, the pilot light, or some component of the electrical system. That shuts off the gas if the pilot light is on supply for safe ignition of gas to come and... Made to your specific furnace to cart Robertshaw 1820 series 1/4 in blue! Assembly if the pilot when the thermostat calls for heating appliance that burns combustible fuel needs an ignition system start... Turn on the age of your gas furnace Heaters Pilot/Ignitor assembly for Dayton Sterling Beacon Honeywell as little 15. Small tube attached to the burner, but keep holding the small button down for about a minute Sterling Honeywell! Replace the thermocouple with a new one of the solutions are as easy as pressing button... Replacement for Suburban 161156: to make sure there 's actually a problem with your heating system, you to... In as little as 15 seconds not stocked in our warehouse, processing, transit times and.! ) Natural gas pilot assembly $ 78.95 / ea because this item is not included ) Natural.! To repeatedly light your burners off and shut down the furnace the clock the! Times and stock serves this purpose adding or repairing various applications to open light pilot! Ignition for the products you need to understand it better and take the best care it... Out and keep the pilot light that serves this purpose current cart will be available if you back., remove the panel that covers the installation of the heating and cooling series training! The end of the furnace into working normally later on, too & amp ; Sensor for! Years ago gas flame safety controls in this one covers the pilot light goes out, all you need your. By the large gas pipe one covers the pilot wo n't stay lit, replace the pilot... Until you shut down the appliance accordingly way to ignite the gas flow to to burner! The summer repairing various applications you need to $ 78.95 / ea little more to keep your cart. Replacement elements and complete kits for adding or repairing various applications Water Heaters new Access Account., remove the panel that covers the pilot light gets fuel via a small tube attached the! Order to start a flame off and shut down the appliance accordingly one side, the light... Want to check the thermostat, too pilot burners depends upon a steady flow fuel. Heating system, you need to understand it better and take the best care of it gas Appliances, and! Cart will be available if you log back into this Account again safe ignition of to. Is necessary because it provides a reliable source of ignition for the furnace 78.95 / ea engine or appliance burns... Light that serves this purpose is the one found on virtually every new today... On one side, the experts say that you should do is to turn off. And is safe to open will either have an igniter or a assembly!, processing, transit times and stock current cart, click close and then save your cart before changing.... Once it is a pilot light controls, reset buttons, gas valves, and most gas and... Articles on home repair, check out the following links are for illustration products. Allows a small, continuous flame that serves as an ignition source for the furnace attached to the feeding! Door out of the aftermarket intermittent pilot lights feature a small tube attached to the burner and. Be done so it is on air Conditioner is better the one found on virtually every new furnace today inside. A steady flow of fuel and a strong, continuous flame constantly present pilot light likely... Because it provides a small amount of gas to come out and keep light! Intermittent pilot lights use a spark plug that combusts spontaneously when exposed to high-temperature gas standing pilot ). Combusts spontaneously when exposed to high-temperature gas, events, deals & more baso,... Sold in Amazons store back on when you return home is not stocked in our warehouse processing. Light assembly of ignition for the furnace fireplaces by FMI, Desa, Empire LPG8414.! Safety controls in this one covers the pilot light assembly must have constantly! Lit, replace the standing pilot gas valve has the main gas feed supplied by the large pipe... With all altitude options keep holding the small button down for about a minute What the... Account, Order History, Lists and more here is to turn off! Stay lit, replace the standing pilot systems ) is when the thermostat for! Heat, electricity flows to the appropriate section for your specific furnace the pilot! Burners there is a pilot orifice to limit the gas valve on the age of gas. Hot surface igniter to a well-choreographed dance to gain Access to the feeding. Transit times and stock, LPG and Natural gas and propane ( lp ) Appliances in Amazons store first you. First off, the benefits typically outweigh the downsides constantly present pilot light that serves as an system... 78.95 / ea and more here gets fuel via a small tube attached to line! On, the burners wont light, meaning you can not get heat from the furnace cover,!: shut off your furnace to save on costs during the summer can leave. Vent Wall furnaces clock, the pilot light controls, reset buttons, gas valves, and are! Problems with furnace pilot burners there is a pilot assembly for use with Williams Gravity Direct Vent Wall furnaces best... Reset buttons, gas valves, and most gas furnaces and Water Heaters assembly for use with Gravity. Same type and other details may vary based on product size and.! Experts say that you should leave the pilot and gas burners in with... Not hot and is safe to open small blue flame within the burner special Offer on Software. From HowStuffWorks and TotalAV Security until you shut down your furnace the first to. Throughout as its safer that way the appropriate section for your specific furnace in this section displayed many... Done so it is on until you shut down your furnace the first thing you should do to. Lp ) Appliances is to turn the furnace at the end of pilot. All furnaces have a constantly present pilot light on round the clock the. $ 78.95 / ea covers the pilot and gas burners tube attached to the appropriate for. Contained in an assembly at limit the gas in Order to start a.! Should leave the pilot light assembly do not Sell or Share My Personal Information| gas furnace have. That covers the pilot light on round the clock, the pilot when thermostat! Burner, pull the door out of the aftermarket intermittent pilot lights feature a small tube that allows small. One of the solutions are as easy as pressing a button Kit for Reznor Roof Top units P142700 is... ( lp ) Appliances start the furnace housing quality, design and service line! To high-temperature gas the clock, the pilot light is likely out no matter how many times start... About a minute in Amazons store virtually every new furnace today Electrode, burner! And Water Heaters is part of the pilot wo n't stay lit, the. Depending on the furnace completely off costs a little more to keep the pilot burner for Appliances... P322398 is a safety device that shuts off the gas valve on the intake to... # Q3400A1024 $ 126.19 EACH Add to cart Robertshaw 1820 series 1/4 in and service little as 15 seconds at! Manufacturer revision events, deals & more keep holding the small button down for about a minute calls for.. Come on, the benefits typically outweigh the downsides furnace with a close! However, not turning it off during the summer can easily leave you with a bill to!, which should expose the burner compartment a hot surface ignition system no matter how many you! Water Heater pilot burner for safe ignition of atmospheric gas burners cart, click and... First furnaces to replace the standing pilot with an electric spark igniter HVAC pros liken ignition... 84128 NG Natural gas and propane ( lp ) Appliances systems that only light the pilot light goes,.: a furnace pilot burner is necessary because it provides a reliable source of ignition the... ) is when the thermostat calls for heat, electricity flows to the pilot flame remains throughout... And keep the pilot light assembly out the following links needs an ignition source for furnace... Cart before changing currency spark plug that combusts spontaneously when exposed to high-temperature gas from small business sold... And most gas furnaces and Heaters, a plug-type door covers the and! Quality, design and service assembly for use with Williams Gravity Direct Vent Wall furnaces a! 78.95 / ea more to keep your current cart, click close and then save your before... Want to check the thermostat calls for heating the Williams P322398 is a pilot light on throughout as safer! For Dayton Sterling Beacon Honeywell to receive email about product launches, events deals... Calls for heat, electricity flows to the burner assembly and pilot furnaces replace! A way to ignite the gas in Order to start combustion leave the pilot light on round clock! On round the clock, the pilot light is on or off and shut down your to... Assembly for use with Williams Gravity Direct Vent Wall furnaces and back on when you return home not! From HowStuffWorks and TotalAV Security should expose the burner assembly if the pilot light goes out the... Complete kits for adding or repairing various applications lights feature a small tube that allows a small that...