5 Furnace Safety Features You Should Meet - Morris-Jenkins

Your furnace is a controlled fire burning in your home.

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Before you let that scare you, let’s talk about the amazing safety features your furnace has to keep you safe while it keeps you warm!

There are five safety features some furnaces have that are important to learn about:

Flame Rollout Sensor

Flame Proving Sensor

High Temperature Limit Control

Flue Exhaust Pressure Sensor

Fan Limit Sensor

Flame Rollout Sensor

Do you know the three ingredients of fire?

Oxygen, heat, and fuel! In order to make your home warm and cozy, your furnace starts a fire in a fire box by using these three ingredients. The gas valve releases raw gas to serve as the fuel. This gas in the fire box comes in contact with the heat source. Depending on your unit, this would either be a pilot light, a hot surface ignitor, or a spark ignitor. When the gas and heat source meet, they use any available oxygen while in the fire box to ignite a fire. This fire is supposed to stay in the fire box, where it’s safely contained and can provide your furnace with warmth. If there’s not enough oxygen for combustion, however, the flame will “roll” out of the furnace in search of the oxygen it needs! Your Flame Rollout Sensor senses when the flame leaves the furnace, and it tells your heating system to shut off the furnace.

What happens when the Flame Rollout Sensor isn’t working right? If this sensor malfunctions, the flame might catch the floor joists, nearby walls, or attic trusses on fire!

Recommended: “The Silent Killer Hiding in Your Home”

Flame Proving Sensor

Remember when we talked about how the gas valve releases raw gas into the fire box? Your furnace may also be equipped with a Flame Proving Sensor, which detects when there’s a flame in the fire box. If it detects a flame, it allows the gas valve to stay open and continue releasing gas to keep the fire alive. When it doesn’t detect a flame, it shuts off the gas valve.

What happens when your Flame Proving Sensor isn’t working right? If this sensor malfunctions, it continues to allow raw gas into the combustion chamber without a flame actively using it up. If this happens, even a small spark on that much gas can cause a huge explosion.

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High Temperature Limit Control

In order to heat your home, your furnace has got to get really hot. Of course, there’s a limit to how hot your furnace should get though! Your furnace comes equipped with a High Temperature Limit Control, which has a set limit of how high the temperature of the furnace is allowed to get. If your furnace exceeds this limit, the High Temperature Limit Control shuts off your system.

What happens when the High Temperature Limit Control isn’t working right?

If this control malfunctions, it could burn out your heating system. This can cause one of two problems: either there will be too much heat and you’ll end up with damage to your fire box, or you won’t have enough heat in your home because your unit keeps shutting off. When this happens, you’ll need to call a professional to fix your unit.

Recommended: “Why Your Furnace Is Blowing Cold Air”

Flue Exhaust Pressure Sensor

In order for your furnace to safely ignite, it has to do a couple things. It’s gotta provide the proper amount of combustion air to the gas and flame, and it has to make sure there are no blockages in this process. Basically, it makes sure the inducer motor (it’s like a fan) is pulling smoke through the heat exchanger and pushing it through the flue so it can escape your home. If there are no blockages, the sensor will let your unit know it’s ok to turn on the gas and ignitor. If there’s a blockage, your furnace won’t turn on.

Did you know? Your inducer motor has a short lifespan. They usually only last between 8-10 years, so it’s important to get it checked every year!

What happens if the Flue Exhaust Pressure Sensor isn’t working right? If this sensor malfunctions, your unit won’t be able to turn on and you’ll need to call out a professional to fix it.

Fan Limit Sensor

In order to bring heat into your home, your furnace uses a type of fan called a blower to blow air over the heat exchanger. If the blower stops working or isn’t providing enough airflow over the heat exchanger, your Fan Limit Sensor will shut off the furnace.

What happens if the Fan Limit Sensor isn’t working right? If this sensor malfunctions, your heat exchanger will continue to get really hot and won’t have the air from a fan to push heat away from it. This means your heat exchanger would get red hot, which could allow cracks and splits in the steel. A crack in your heat exchanger is dangerous because it can allow carbon monoxide into your home!

Related: “Do You Have a Crack in Your Heat Exchanger?”

Staying Safe and Warm

Hot Air Blowers

We pride ourselves on providing high-quality hot aire blowers to ensure the job gets done. Also known as electric heat blower, are some of the most popular items sold through heatgun.com. In this quick introduction to our industrial grade products, we run through some of the uses, benefits, and types of electric heat blowers offered through our company. Make sure to browse further down the page to find the specifications of all our products, a list of ways to contact our customer service team if you have questions, or click directly on the hot air blower of your choice, and buy.

Electric Heat Blowers: Types, Uses, and Benefits

There are a wide range of products in the industrial grade hot air blower category market today. Here at Heat Gun, we are proud to work with the famous Swiss manufacturer Leister to bring you some of the best deals around on great quality European hot air blowers. There are three main types of hot air blowers: the Vulcan System, the Hotwind Premium system, and the Mistral system. Each provides different uses and benefits. The Vulcan System is a powerful industrial hot air blower that features a compact design and efficient heating elements. It is ideal for applications that require high volumes of hot air, such as drying and curing coatings, plastics, and textiles. Its energy-saving mode reduces power consumption, making it an attractive option for manufacturers looking to save on energy costs. The Vulcan System features a digital temperature controller that allows for precise temperature regulation. Electric heat blowers, like the Vulcan System, are versatile machines that are used for a variety of purposes in different industries. These machines use electric heating elements to produce hot air that is then blown onto the desired object or area. The Hotwind Premium system is a versatile industrial hot air blower that can be used for heating, drying, and shrinking applications. It features a modular design that allows for easy customization and expansion, making it an ideal option for manufacturers with changing production needs. The Hotwind Premium system also offers precise temperature control and can be integrated with various control systems for enhanced automation and efficiency. The Mistral system is a high-capacity hot air blower that can produce temperatures of up to 750°C. It is ideal for industrial applications that require fast and efficient heating, such as drying coatings and adhesives or heating plastics and composites. The Mistral system features a compact design and built-in safety features such as an emergency shutdown system and overheat protection.

Benefits of Hot Air Blowers

• Energy efficiency: Electric blower heaters use electric heating elements to produce hot air, which is more energy-efficient than other heating methods, such as gas or steam. The Vulcan System, for example, has an energy-saving mode that reduces power consumption by up to 50%. Some systems have ‘fan only’ modes.
• Fast and efficient operation: Hot air blowers can produce high volumes of hot air quickly and efficiently, which makes them ideal for industrial applications that require fast drying, curing, or heating. The Mistral system, for instance, has a heating capacity of up to 160 kW and can reach temperatures of up to 750°C.
• Versatility: Hot air blowers can be used in a variety of industries and applications, from drying and curing to heating and cleaning. The Hotwind Premium system, for example, can be used for heating plastic parts, drying coatings, and shrinking packaging materials.
• Precise temperature control: Hot air blowers offer precise temperature control, which is essential for many industrial applications. The Vulcan System, for instance, has a digital temperature controller that allows for accurate temperature regulation.
• Compact: Air blowers come in a range of sizes. You can find compact hot air blower tools that can bring a range of benefits and will be useful for many different applications. Of course, for larger industrial applications, you may require a much larger air blower, and these are also available.
• Safe and reliable operation: Hot air blowers are safe and reliable to use, with built-in safety features such as overheat protection and safety interlocks. The Mistral system, for example, has a safety system that automatically shuts off the machine in case of an emergency. This means that they can be unattended without the threat of a fire breaking out in a production facility.

Leister air blowers have a wide range of choices that allow you to compare each easily so you can find the perfect one for you. If you need any assistance or would like further information, please know that we’re here to help you! You can call us directly at 1-800-241- or click to read our blog that helps you discover which air blower is right for you.

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