How To Light Gas Furnace With Electric Ignition? Vital Guide


Rima Chatterjee

How To Light Gas Furnace With Electric Ignition

In this guide, we will provide you with a simple step-by-step process to light a gas furnace equipped with electric ignition. With this modern system, you can easily and safely start up your furnace, ensuring a warm and comfortable home during the colder months. Whether you’re a new homeowner or need a refresher, this guide will help you successfully light your gas furnace and keep your space cozy throughout the winter season. Let’s dive in and learn how to light a gas furnace with electric ignition.

Preparing to Light Your Gas Furnace


To prepare your gas furnace for electronic ignition, ensure that the gas valve is open, the electricity is connected and the burner compartment panel door is securely in place.

Follow these four steps for an efficient lighting process:

  1. Turn off the power and main gas supply before accessing the burner compartment panel door.
  2. Remove the door and locate the electronic igniter or intermittent pilot light.
  3. Turn the thermostat to the lowest setting and switch on the power. Press and hold the ignition switch to start the HSI or spark ignitor. If using an intermittent pilot light, the furnace will go through a heating cycle until the pilot flame is lit.
  4. After lighting the pilot flame, adjust the thermostat to the desired temperature and ensure that the burners are operating correctly during the heating cycle.

Unique Details:

Before lighting your gas furnace with electronic ignition, always ensure that no flammable materials or liquids are near the furnace or its components. Also, replace air filters as instructed to prevent any clogging or issues with the furnace’s airflow.

Pro Tip:

It is always recommended to have a professional technician check and maintain your gas furnace annually to ensure its proper functionality and extend its lifespan.

Before we proceed with igniting our gas furnace, let’s make sure we’re not about to experience a fiery inferno – safety first, folks.

Checking for Safety

Ensuring Safe Operation of The Gas Furnace

Before you light your gas furnace, it’s important to make sure safety measures are taken. Check for gas leaks, blockages in the flue or vent, and debris around the furnace. Make sure the furnace is clean and clear to avoid fire risks.

Inspecting Furnace Components

The condition of the furnace components affects its performance. Inspect the burners and heat exchanger for corrosion or cracks and repair or replace them quickly. Ensure the thermocouple is properly attached to the pilot assembly. Tighten all screws on the gas valve.

Check the air filters are clean so they don’t block proper airflow, which can cause overheating. Test the unit by turning up your thermostat. Listen and watch for any strange smells or sounds while you adjust the system.

PRO TIP: Always hire a licensed technician for regular maintenance checkups twice a year to ensure safe operation.

Time to get to know your furnace better – because nothing sparks a relationship like lighting a gas burner!

Accessing the Furnace Burner Compartment

To access the furnace burner compartment, you must follow certain steps. This will help you light and use your gas furnace safely.

1. Turn off the Power – Find the power switch or breaker that controls your furnace and turn it off.

2. Locate the Burner Compartment – It’s usually behind a panel or door near the base of your gas furnace.

3. Remove the Panel or Door – Use the right tools to take away any panels or doors blocking your access.

4. Clean Out The Compartment: Wipe out any debris from the furnace’s combustion chamber and the burners’ openings.

5. Check The Burner: Look for any signs of damage, such as cracks, rusts, holes, or corrosion.

6. Replace Panel or Door: Once everything is cleaned and looks good, put back any removed covers tightly.

For extra safety, no gas should be present when accessing the compartment. Don’t forget to follow all safety procedures, including regular flame checks. Consider bringing in certified professionals for further safety inspections, rather than relying on DIY assessments completely and risking injury.

A friend attempted to light their Gas Furnace but forgot to turn off the power. This pressurized their home with carbon monoxide, causing disorientation. Neighbors called first responders who saved them on time. The cause was internal damage in the burner compartment. This could have been prevented with proper checkups by licensed heating contractors.

Turning off the Furnace Control Board

Switch off your furnace control board for safe & efficient lighting of your gas furnace! Here’s how:

  1. Locate the power switch near the furnace. It looks like a light switch.
  2. Flip the switch from “On” to “Off”.
  3. Shut off your gas valve.
  4. Set your thermostat to the lowest setting.
  5. Wait at least 5 minutes before relighting.

Safety first! Don’t try DIY if any of these steps seem unclear. To avoid hazards like explosions, fires, or injury, it’s better to hire an expert. Unleash your inner pyromaniac with these simple steps!

Lighting an Intermittent Pilot Gas Furnace


As an HVAC professional, operating an intermittent pilot gas furnace is a crucial task. In this procedure, you need to ignite the burner of the furnace every time it starts to work.

Here is a quick and easy 3-step guide for operating an intermittent pilot gas furnace:

  1. Access the unit – To access the furnace, turn off the main circuit or circuit breaker that powers the furnace. Open the burner door and remove the filters to avoid any obstruction during the heating cycle.
  2. Ignite the pilot – Turn on the electricity through the thermostat to the control board and then to the ignition system. The system will light an electronic igniter, which creates a spark to light the pilot. If you hear a buzzing sound, then your furnace has a hot surface ignition, which is different from an intermittent pilot light.
  3. Start the heating – Once the pilot flame sensor detects the blue flame, the gas valve will open, and the burners will start. You will hear a whooshing sound, indicating the flow of gas from the pilot flame to the burners. Close the burner door and the filters. Your furnace is now ready to heat!

It is essential to note that while operating an intermittent pilot gas furnace, you should regularly clean the device to avoid any issues with the natural gas ignition and flame. Additionally, if you notice any issues in the ignition process or flame, seek professional help to avoid any damage.

Basic Steps for Lighting an Intermittent Pilot

Intermittent pilot gas furnaces need the right lighting to work well. Here’s how to safely light them:

  1. Turn off the furnace. Wait 5 minutes for the gas fumes to clear before opening it.
  2. Find the pilot and ignition system. Turn the valve counterclockwise to the “Pilot” position.
  3. Press down the button and ignite the furnace’s pilot. Hold it for 30 seconds, then release it to keep it lit.
  4. Turn the valve clockwise back to its original position, and keep the furnace running.

Before doing anything, make sure your home’s gas is on. No smoking or lighting during the process!

If this is your first time, consider calling an expert in gas furnaces.

Willis Carrier invented heat pumps in 1902 to reduce humidity at his job. He founded Carrier Corporation and developed air conditioning systems still popular today.

Sometimes, all you need is troubleshooting and perseverance – and maybe gloves!

Troubleshooting an Intermittent Pilot Light

Fixing an intermittent pilot light? Identify the cause first! Check power supply, gas flow, and clean components. Follow these 4 steps for troubleshooting:

  1. Check thermostat temp.
  2. Inspect the flame sensor for dirt or debris – clean if needed.
  3. Check the pilot tube orifice – remove blockage if present.
  4. If still no luck, consult a professional technician.

Regular maintenance prevents build-up. Install carbon monoxide detectors too! One customer’s furnace made loud noises. But, it turned out to be the newly installed ductwork causing vibrations. Repositioning parts resolved the issue. The solution can be simpler than you think! Time to get a sparkly new igniter.

Replacing an Intermittent Pilot Igniter

Replace the Igniter on an Intermittent Pilot Furnace? Yes, you can! Just follow these 5 steps:

  1. Switch off the power.
  2. Locate the igniter by removing the access panel.
  3. Disconnect any wires connected to the old igniter.
  4. Secure the new igniter in place.
  5. Reconnect the wires and put the access panel back before turning the power back on.

Be sure you consult the manufacturer’s instructions, as not all furnaces are created equal. Don’t forget to wear protective gear like gloves and safety glasses when you work with electricity and natural gas.

Did you know that intermittent pilot ignition was first introduced in 1989? This innovation made heating systems more efficient by eliminating standing pilots that wasted energy when not in use. So, if you’re ready to get hot with your knowledge of gas furnaces, then let’s get this pilot light party started!

Lighting a Hot Surface Ignition Gas Furnace


Starting a Hot Surface Ignition Gas Furnace is a crucial process in ensuring proper heating of a home or building. To begin, locate the burner door and turn off the power supply to the unit via the circuit breaker or control board. Once this is done, follow the steps below:

  1. Access the gas valve and set it to the “off” position.
  2. Find the electronic igniter and turn it on to start the heating cycle, which activates the hot surface igniter (HSI).
  3. Once the HSI glows, the gas flow to the burners is initiated, and a blue flame is produced, which heats the air flowing through the unit.
  4. After a few minutes, turn the thermostat up, and the burner will ignite to continue heating the air until the desired temperature is reached.

It is important to note that modern furnaces are equipped with electronic ignition systems, which have replaced the older pilot lights. To avoid any issues, ensure that the air filters are clean and the draft inducer or draft pressure switch is operational. Also, refer to the owner’s manual for detailed instructions on the unit’s operation and maintenance.

Pro Tip: If you encounter any issues or are unsure about handling the ignition process, it is best to call in professionals for assistance. 

Attempting to do the job yourself may present safety hazards and cause damage to the unit or electricity-related issues. I may have a dark sense of humor, but lighting a hot surface ignition is no joke – follow these basic steps to get your gas furnace up and running.

Basic Steps for Lighting a Hot Surface Ignition

Need to ignite a Hot Surface Ignition Gas Furnace? Here’s a guide!

  • Switch off the power supply from the electrical panel or circuit breaker.
  • Find the access panel and remove it carefully to reveal the gas valve and burners.
  • Light up the pilot light or switch/button the gas using a long lighter.
  • Wait 30 seconds for the furnace to start up before replacing the access panel.
  • Check that all connections are secure before turning on the gas supply.

Refer to the manufacturer’s manual for proper guidelines.

Did you know that upgrading your furnace can save you up to 15% on energy bills?

Troubleshooting a hot surface ignition system is not easy – so call us if needed!

Troubleshooting a Hot Surface Ignition System

Tackling ignition issues for a gas furnace can be tricky. Here’s a simple guide on ‘troubleshooting a hot surface ignition system’:

  1. Start with the Thermostat: Check if it’s in ‘heat mode’ and the temperature is above room temp.
  2. Check the Furnace: Is the switch on? Are safety switches like doors, filters, or pressure switches properly in place?
  3. Inspect HSI: Look for any cracks, breaks, or damage. If so, replace it right away as it can be dangerous.
  4. Examine Control Board: See if there are errors related to ignitor signals or voltage readings. If needed, repair or replace.

Testing pressure switches may help determine the source of the problem. Newer models may use Silicon Nitride instead of Silicon Carbide, as it offers more durability and faster heating times. For a quick fix, try replacing your hot surface igniter!

Replacing a Hot Surface Igniter

When a Hot Surface Igniter isn’t working, replace it quickly for safety. Here’s how:

  1. Turn off the power and gas supply.
  2. Take out the access panel to find the igniter and loosen the mounting bracket.
  3. Disconnect the wires from the old igniter. Carefully take it out.
  4. Put the wires on the new igniter. Place it on the furnace wall.
  5. Fasten the mounting bracket and access panel. Turn the power and gas back on. The furnace should start running again.

Be aware that using the wrong-sized or higher-rated igniters could damage other furnace parts or overload circuits.

For extra precaution, wear protective gear like gloves and goggles when repairing heating equipment. Tech is great, but sometimes it’s best to do it the old-fashioned way!

Troubleshooting Common Issues with Electronic Ignition Systems


When dealing with electronic ignition systems, there are common issues that may arise during the heating cycle. One of the main issues is the failure of the hot surface igniter (HSI). If this is the case, replacing the unit is necessary. Additionally, a faulty flame sensor can cause the system to shut down. A simple solution is to clean the sensor or replace it if necessary.

Another problem could be a malfunctioning controller or circuit board. In this instance, it is recommended to seek help from a professional to avoid further damage or electric shock. The wiring may also be at fault, so checking for loose connections or damaged wires is a step that can be taken. If none of these solutions work, a replacement of the entire system may be necessary.

To prevent future issues, it is essential to perform regular maintenance on the unit, such as cleaning or replacing air filters and accessing the burner door to check for any potential issues. It is also important to ensure the gas valve and circuit switch are turned on and that the main circuit breaker is functioning correctly.

In summary, when addressing issues with electronic ignition systems, it is vital to identify the specific issue and take appropriate action, either by fixing or replacing the system or seeking professional assistance. Regular maintenance can prevent issues from arising, ensuring the machine’s longevity and efficiency.

If your gas furnace has no power, just remember that the only thing colder than your home will be your relationship with the electricity company.

No Power to the Furnace

The electronic ignition system may not receive power, impacting furnace performance. Check the power supply unit, circuit breakers, and wiring. Ignoring this can cause temperature fluctuations.

Try replacing a blown fuse or resetting a tripped circuit breaker. If batteries are used – verify they are not dead. Look for any unplugged or frayed wires.

To prevent power failure, regular upkeep is a must. Cleaning pilot pipes and sensors keeps it running smoothly.

PRO TIP: Get professional help or technicians when dealing with electronic ignition systems. Maintenance services help catch issues early and solve potential problems.

If your furnace won’t turn on, it may need a little push. Here are some troubleshooting tips to get its electronic ignition system going.

Furnace Burner Does Not Turn On

Can’t get your furnace to ignite? Here’s a guide to get it back in working order:

StepInstructions
1Check your thermostat – Is it set to heat and higher than the room temp?
2Inspect the power source – Is it connected to a working source and all circuit breakers in the right place?
3Replace the ignitor – A faulty or damaged ignitor can prevent ignition.
4Check for gas supply – Is there enough gas from the main valve & connections secure between the burner and gas valve?
5Get professional help – If none of these work, call an expert.

Remember to switch off any electrical or gas connections before inspecting. Don’t delay fixing this as it could lead to costly energy bills, lost time, or worse. Professional help is the safest option.

Control Board or Circuit Switch Issues

Issues with electronic ignition systems due to circuitry problems are common. Such errors can cause system shutdowns. These could arise from a faulty circuit switch or an irregular control board. Therefore, troubleshooting is key to identify and address the problem.

When electrical flow is disturbed, it’s likely that the printed circuitry is defective. This could be due to moisture, prolonged use, or physical damage. Even if there’s no indication of anything wrong, industry experience can hint at potential breakdowns – in this case, a thorough routine examination should be done.

It’s important to track connections and check if they’re clean. If components have been checked and eliminated, replacing the entire device may be the only option – if funds are available.

When an automatic feeder experienced ignition difficulties before its eventual breakdown, a new electrical starting card was installed. The lesson learned is how valuable having multiple digital ignitions installed can be in improving operational costs and securing process continuity.

Maintaining Your Gas Furnace


Maintaining your gas furnace is crucial for its efficient functioning and long lifespan. Ignoring its maintenance needs can result in various issues such as increased electricity bills, poor heating, and even fire hazards. Here are five essential steps to keeping your gas furnace in top working condition.

  1. Keep Air Filters Clean: Regularly clean or replace the air filters to ensure that your furnace can draw in the necessary airflow for proper combustion. Dirty filters also reduce airflow, leading to decreased efficiency and increased energy bills.
  2. Check the Burners: Turn off the gas and electricity, then remove the burner door to access the burners. Check for any signs of corrosion, rust, or damage. Clean the burners with a wire brush and adjust their position as needed.
  3. Inspect the Ignition System: The electronic ignition system, including the hot surface ignition (HSI) and intermittent pilot light, can fail to operate correctly due to dust buildup. Remove dirt and debris from the system and check for any loose or damaged components.
  4. Clean the Flame Sensor: The flame sensor detects the pilot flame and controls the gas valve accordingly. A dirty or corroded flame sensor can cause malfunctions and shut down the furnace. Gently clean the sensor with sandpaper or a steel wool pad to remove any buildup.
  5. Call in Professionals: For more complex issues, such as problems with the control board or gas valve, it’s best to call in a professional. They have the expertise and tools to diagnose the problem accurately and make the necessary repairs.

In addition, it’s essential to have your gas furnace maintained by a professional at least once a year. They will check the gas line, heat exchanger, thermostat, and electrical connections to ensure that everything is working correctly. A well-maintained gas furnace will operate efficiently, reduce energy costs, and have a long lifespan.

Regular maintenance also reduces the risk of potential hazards such as gas leaks, carbon monoxide poisoning, and fires. Investing in regular maintenance can save you a lot of money and headaches in the long run.

Replacing air filters? It’s like giving your gas furnace a breath of fresh air – just don’t forget to hold your own breath while doing it.

Replacing Air Filters

When it comes to maintaining your gas furnace, one of the most important tasks is to replace your air filters regularly. Dirty air filters can cause malfunctioning, resulting in higher energy bills & shortening system life.

Here’s a 5-step guide on how to replace your air filters:

  1. Switch off the power – First, switch off the power to your furnace for safety.
  2. Locate the filter – Consult the owner’s manual or ask an HVAC technician if you don’t know where it is.
  3. Remove old filter – Near the fan or blower motor, carefully take it out.
  4. Put in the new filter – Put in the new one and make sure it’s facing the right direction.
  5. Turn back on power – Once the new filter is inserted, power up your furnace.

It’s also important to check for dust & debris along with cleaning ducts. Unattended ducts and vents can let unwanted particles into your home.

Pro Tip: Replace air filters every 90 days. This could be sooner depending on the atmosphere & usage. Contact an HVAC specialist if needed. Control your thermostat – don’t be scared to turn up the heat when necessary!

Checking and Adjusting the Thermostat

Turn off the furnace’s power supply for security before adjusting the thermostat. Check the thermostat setpoint is correct for the time of day and temperature. Use a thermometer if needed for accuracy. Replace weak batteries or get a programmable model for precision.

Failed thermostat settings could reduce efficiency, increase costs, and damage parts. Research tips to increase system efficiency and maintain a heat balance. Give your gas furnace a spa day with a steady flow of natural gas.

Regular Servicing and Cleaning

For your gas furnace to perform optimally, regular maintenance and cleaning are key. Neglect these tasks and you could be faced with lower efficiency, higher energy bills, and breakdowns. It’s wise to have a professional HVAC technician inspect your furnace yearly. Prevention is better than cure!

Here are some tips for keeping your furnace in good shape:

  • Check the air filter monthly – if it’s dirty, replace it. This’ll keep airflow moving.
  • Clean blower blades, belts, and pulleys once a year.
  • Inspect the heat exchanger for cracks.
  • Annually, clean out the combustion chamber and flue pipes.
  • Lube moving parts according to the manufacturer’s instructions.
  • Check thermostat settings often for accurate temperature control.

Interesting fact: Gas furnaces are now common in North America, but they only became popular after WW2 when natural gas pipelines were built. DIY? Think again – call a professional before disaster strikes.

When to Call a Professional for Issues with a gas furnace’s electronic ignition system


When encountering issues with your gas furnace’s electronic ignition system, it’s important to know when to enlist professional help. If you’re not experienced with electricity and the inner workings of a furnace, it’s best to call a trained technician to avoid potential harm or exacerbating the problem.

If you’ve followed our previous steps and the furnace still fails to heat up, your furnace may have a faulty electronic igniter or flame sensor that requires professional assistance. Trying to fix these components yourself without proper training may result in injury or damage to the unit.

Unique details to consider when deciding whether to call a professional include factors such as the age, model, and type of your furnace. Older furnaces, especially those with pilot lights and no electronic ignition, may require specialized knowledge to maintain and repair.

A true history to keep in mind is that attempting to repair your furnace without professional guidance or training often ends up costing more money and time in the long run. It’s always better to be safe than sorry when dealing with machines that involve gas and electricity.

Who knew lighting a gas furnace could be so complicated? Oh, wait, any homeowner who’s ever had to deal with more than just a pilot light?

Identifying More Complicated Issues

Having complex issues with your home or property can be tricky to know when to call in a pro. Warning signs such as strange smells, loud noises, high water bills, or low pressure can mean you need help.

Figure out if the problem is one-off or regular. If you’ve tried to solve it but no luck, seek professional advice.

Calling a specialist sooner rather than later can stop small issues from becoming major hazards. They have the expertise and tools to find the cause and offer solutions to fit any budget.

One homeowner with a leaky faucet had a bigger plumbing issue in the basement. By getting an expert on board, she protected her family and saved money.

DIY-ing? DN-Why?! Remember, it’s best to get a pro for complex home problems.

Seeking Professional Help

It’s important to know when to ask an expert for help. This can save you from bigger issues in the future. Urgency and complexity should be taken into account. Don’t attempt complex tasks without the right qualifications – it could lead to mistakes and consequences. Seeking help isn’t a sign of weakness, it’s wise! Experts have acquired knowledge and experience which lets them provide accurate solutions quickly.

It’s vital to recognize the severity of a problem – small things can turn into big ones if left alone. Getting help earlier can avoid emergencies with higher repair costs. Know your own limits and when outside support is necessary. Get experts for electrical and plumbing work – it’s specialised knowledge and training.

Timing decisions can save time and money while giving the best results. Knowing when to call in professionals guarantees longer-lasting solutions. Make sure your gas furnace runs effectively and safely – don’t be a hot mess!

Conclusion


Gas furnaces need regular maintenance for efficient and safe use. Keeping all components in working condition is important for its longevity and reducing energy consumption. Inspect air filters, check for uniform airflow, and tune up the burners for optimal heating performance. Also, look for obstructions in ductwork and give the unit enough space.

Before doing any system checks, switch off the electrical power to the gas burner. If unsure about using an electronic igniter, call a professional. Read instructions in the owner’s manual if you do it yourself.

Pro Tip: Have a pro do regular maintenance and inspections. This helps with the safe operation of your gas furnace, lowers energy bills, improves indoor air quality, and extends your unit’s life.

About the author

Debarghya Roy: A heating systems author, Passionate about energy efficiency and sustainability, Sharing insights and empowering readers through informative blog articles.