Most Versatile. A powerful weed torch that works well for a variety of tasks and is reasonably priced. Reaches 500,000 BTUs, making it well-suited for anything from ice melting to melting asphalt. Compatible with a range of propane tanks. The 10-foot hose allows a good amount of maneuverability. Fully assembled.Sounds like you got plenty of propane just not enough air for it to light. If no you might have to swap it out for another. Just the gas adjustment knob. This is the torch I have. I use butane torches so this is a total guess but in the add it states it has a pencil tip. Could that be why you only get a small flame.Jul 3, 2023 · Bernzomatic TS4000 Trigger Start Torch 361524 The product is map-pro, trigger start torch, instant on/off trigger increases fuel savings & convenience, lock button keeps torch lit for finger-free use, replaceable brass tip, burn tip produces swirl flame for maximum heat output, pressure regulated to burn in all directions, cast aluminum construction provides added durability, for use with ... 3 Answers. Open the tank supply valve very slowly and make sure the weed burner valve is closed when you do it. I mean if you think you are opening it slowly you are still opening it too fast. Some of these newer tanks have a safety feature that cuts back on flow if high flow is detected.WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately.Jan 26, 2023 · When you have a propane torch that won’t stay lit (or doesn’t light at all), then there are multiple approaches you can take to fix the problem. Heads up! If you’ve tried everything and would just rather replace the torch, we recommend this FRCTL model from Amazon ( affiliate link ). Feb 17, 2021 · 4. Mag-Torch MT 5000. This one is an outsized version that measures 116 inches in length, from the nozzle tip to handle, the handle has 36 inches in length, has a 3-inch diameter, and it weighs 4 pounds. It delivers 500,000 BTU, and it can be paired up with a standard 20lbs. propane container. If you don’t have a striker, you could light the torch using a match or lighter. Hold it underneath the torch valve nozzle so the tip of the flame comes into contact with the gas. Hold the lighter or sparker in front of the torch’s nozzle and activate it. Repetitively squeeze the handle until the torch lights.Poke the end of a safety pin into the small hole on the side of the regulator below the torch nozzle. Work the pin around in a circle and side to side to dislodge any dirt or other material that might be clogging the system. Blow compressed air into the regulator hole. Reconnect the propane canister and try igniting the torch in the normal manner. The electronic igniter is working, but will not light. When lit with another source, it wouldn't stay lit. Adjusting the air intake solved the problem com...While these are popular, we recommend ensuring that the Handheld Torches you consider have the right mix of features and value. Some common features to consider are Type and Uses Propane. Lincoln Electric Heating Torch Kit #KH825-03; BernzOmatic Heating Propane Torch Kit (14.1-oz) #TS3500K; BernzOmatic Soldering Propane Torch Kit (14.1-oz) #361546The torch features a trigger-start ignition and an adjustable flame control knob. Flame control valve easily sizes flame and extinguishes when finished. Use only with propane fuel, such as the Bernzomatic 14.1 oz. Propane Hand Torch Cylinder. Versatile webbed flame completes a variety of household projects, including small diameter soldering ...Sounds like you got plenty of propane just not enough air for it to light. If no you might have to swap it out for another. Just the gas adjustment knob. This is the torch I have. I use butane torches so this is a total guess but in the add it states it has a pencil tip. Could that be why you only get a small flame. Dec 5, 2022 · If the igniter is working, but the torch still won’t light, the problem may be with the nozzle. The nozzle is the part of the torch that controls the flow of propane. Hence, if the nozzle is clogged, the propane will not come out of the torch. To clean the nozzle, remove it from the propane torch and then use a wire brush to remove any dirt ... That won’t be necessary. The melting point for aluminum is 1220 degrees Fahrenheit. Propane torches, even the weakest ones available, can produce over 2200 degrees Fahrenheit. Don’t worry about your propane torch potentially not being powerful enough to melt the aluminum.For this reason, they do not have a pressure regulator to control the flow of fuel through the torch. When these torches are inverted, the liquid propane works its way through the torch and extinguishes the flame. For work that requires inversion, we recommend a pressure-regulated torch, such as the MT535C, MT551C, MT555, MT560C, MT565C, or MT579C.Steps to Attach the Burner Torch to a Propane Tank. The propane cylinder will come with a plastic screw cap for extra safety. Make sure the valve on the propane cylinder is off. Then, you need to remove the safety cap. The regulator will have two male fixings on it. One of these screws into the propane bottle, the other screws into the rubber ...Step 3. Press the plastic nozzle extension tube attached to a can of compressed air against the lighter gas outlet valve. Hold the canister plunger down for one or two seconds. Move the extension tube back an inch or two to blow remaining residue from the lighter recess. Refill the lighter with triple-refined butane gas, and test. FlameNSky Posts: 7. I finally bought a weedburner. I must be doing something wrong with it. Out of 20 attempts, only once did it fire as it should. Every other time it just has a small flame. (relatively speaking) I was hoping someone might have an idea as to what I am doing wrong. I did check to ensure the tank was full with good pressure and ... Apr 30, 2023 · Try using a propane torch to melt gold. As noted before, you must be extremely careful about safety concerns if you are going to use a torch. However, a torch will melt gold within a few minutes. The gold should be placed into a crucible. Then, put the crucible on a fireproof surface, and direct a torch toward the gold within the crucible. The basic soldering tool is a propane torch, which consists of a regulator and tip combination that you screw into the top of a small tank. To operate, open the fuel adjustment valve and light the tip. For lighting ease, we recommend the regulator that has a built-in igniter (above left). The gas lights at the push of a button.Jul 3, 2023 · Bernzomatic TS4000 Trigger Start Torch 361524 The product is map-pro, trigger start torch, instant on/off trigger increases fuel savings & convenience, lock button keeps torch lit for finger-free use, replaceable brass tip, burn tip produces swirl flame for maximum heat output, pressure regulated to burn in all directions, cast aluminum construction provides added durability, for use with ... How to fix propane torch that wont light Bernzomatic and tips 2LateIWon 14.5K subscribers Subscribe 294 Share 102K views 5 years ago Here is the propane refill adapter...October 6th, 2021 3:14 PM Share It is never a good sign when your propane torch is clogged, and it can prevent you from using it properly or at all. Luckily, you can easily remove and clean the nozzle on your propane torch so that it works.The process of cleaning a propane torch tip is a simple cycle. To wipe an obstruct out of a propane torch, you should eliminate the spout and bubble it in water. When it’s thoroughly heated up, the buildup in the light should emerge from its agreement. Take the spout out, let it dry, and afterward reattach it to your light to finish your de ...WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately. FlameNSky Posts: 7. I finally bought a weedburner. I must be doing something wrong with it. Out of 20 attempts, only once did it fire as it should. Every other time it just has a small flame. (relatively speaking) I was hoping someone might have an idea as to what I am doing wrong. I did check to ensure the tank was full with good pressure and ...Fix the Igniter The igniter tends to be one of the more common issues when a propane torch won’t light. It is one of the primary moving parts and has a higher tendency to experience faults. Automatic and Instant On/Off Ignitions Open up the valve inside of your fuel cylinder.Find Product Documentation. Hand Torches and Torch Kits. Utility Lighters. Fuel Cylinders. Brazing & Welding Rods. Accessories. Nov 25, 2019 · MAPP gas torches burn hotter than propane, making them a better choice for modern solder. Five to 10 seconds of heating with a MAPP gas torch is all that’s required before you can feed solder into most 1/2- to 3/4-in. pipes and fittings. Be careful, though. It’s easier to overheat a joint with MAPP gas. If the flux turns black and the ... November 2002. Turbo Torch Troubles. Rich has the right idea here. Unscrew the tip, then remove the orifice with a small allen wrench. You can then screw the orifice into the other end of the torch and blast some Mapp gas or propane through it to clear the opening. Then just reassemble it. In this video I show you how to fix a weak flame on a propane torch. Basically if your flame on your torch doesn't have a lot of power as it would when new,...Apr 30, 2023 · Try using a propane torch to melt gold. As noted before, you must be extremely careful about safety concerns if you are going to use a torch. However, a torch will melt gold within a few minutes. The gold should be placed into a crucible. Then, put the crucible on a fireproof surface, and direct a torch toward the gold within the crucible. Propane Torch Weed Torch Weed Burner - Electri Automatic Ignition, 800 000 BTU Propane Weed Torch with 10FT Hose, Push Button Electronic Spark Generating Powered by AAA Battery (not include） 4.5 out of 5 stars 139Propane weed burner... Rookie mistake. I have my propane torch now and we have even had a few days w/out dangerous winds. However, I have a problem with the smaller nozzles in that the flame goes out when turned to the ground. This is because the new 20# grill tanks were all manufactured with a highly restictive control valve in it.Step 1 Turn the gas-release valve to the left to lock the opening up. This prevents any propane from escaping. Video of the Day Step 2 Clean off the opening on the propane torch with a soft, damp cloth. This removes any residue from the torch, ensuring the propane has a clear air-flow. Step 3 Turn the gas release valve to the right.Sounds like you got plenty of propane just not enough air for it to light. If no you might have to swap it out for another. Just the gas adjustment knob. This is the torch I have. I use butane torches so this is a total guess but in the add it states it has a pencil tip. Could that be why you only get a small flame.Apr 17, 2023 · To unclog a propane torch, we need a pot, 1 or 2 liters of water, a stovetop, and your utmost attention. 1. Take A Medium-Sized Pot. It’s better if it’s not a pot that you use regularly. Fill 70% of the pot with water. Put it on the stove and raise the heat so that the water gets boiled quickly. 2. Bernzomatic TS4000 Trigger Start Torch 361524 The product is map-pro, trigger start torch, instant on/off trigger increases fuel savings & convenience, lock button keeps torch lit for finger-free use, replaceable brass tip, burn tip produces swirl flame for maximum heat output, pressure regulated to burn in all directions, cast aluminum construction provides added durability, for use with ...Feb 4, 2017 · 620. $39.99. $39.99. Propane Torch Weed Burner,Blow Torch,Heavy Duty,High Output 800,000 BTU,Flamethrower with Turbo Trigger Push Button Igniter and 9.8 FT Hose for Roof Asphalt,Ice Snow,Road Marking,Charcoal. 4.3 out of 5 stars. The electronic igniter is working, but will not light. When lit with another source, it wouldn't stay lit. Adjusting the air intake solved the problem com...BernzOmatic Soldering Propane Torch Kit (14.1-oz) A multi-purpose propane torch designed for a variety of household projects including small diameter soldering, thawing, melting and heat application. The torch features a trigger-start ignition and an adjustable flame control knob. Kit includes a 14.1 oz. propane-filled cylinder. View MoreMy self lighting torch broke so I figured I couldn't break it worse so I tore it apart..and fixed it!Apr 17, 2023 · To unclog a propane torch, we need a pot, 1 or 2 liters of water, a stovetop, and your utmost attention. 1. Take A Medium-Sized Pot. It’s better if it’s not a pot that you use regularly. Fill 70% of the pot with water. Put it on the stove and raise the heat so that the water gets boiled quickly. 2. Nov 29, 2020 · 1. You need to heat the copper to point where it is hot enough to melt the solder. I've had problems using propane torches for this purpose, so bought a Mapp torch. Makes all the difference. Another thing that will impede the heating of the copper pipe is any kind of moisture in the pipe. Bernzomatic propane torch won’t light properly. Clean or thaw the valve to fix. The valve on the tank it self could be blocked/frozen, but this is unlikely as you tried an alternate tank. Let the tank slowly warm up to room temperature to fix. The vent holes near the tip of the torch could be blocked, not allowing enough oxygen to mix with ...Most torches light better when the valve is just cracked open and there is a light gas flow. If your propane torch won’t light, take a look at the following steps for how to fix your torch. Troubleshooting The Igniter Step 1: Instant On/Off or Automatic Ignition. Open the valve of your fuel cylinder; Unscrew the torch tip4. Best value: Propane Torch Weed Burner, Blow. Get the best results with the most efficient torch head, jammer, and other weed care accessories. The Weed-O-Meter is an affordable, easily portable, and reliable way to check the status of your weed hoe or other gardening tools without having to stop and dig out your equipment. 5. Best durable ...Fix the Igniter The igniter tends to be one of the more common issues when a propane torch won’t light. It is one of the primary moving parts and has a higher tendency to experience faults. Automatic and Instant On/Off Ignitions Open up the valve inside of your fuel cylinder.Bernzomatic torches. I have a small BernzOmatic propane gas canister with a BernzOmatic torch head on it. The torch heads never seem to last very long. They don't last as long as the propane in the canister. It's a 400g or 14.1 oz canister. You would think the torch would last for the amount of gas in the can - it's not a big can - but this ...Aug 3, 2014 · Every Bernzomatic torch I've seen that has a spark lighter uses a piezoelectric element. No battery--has a pressure-sensitive quartz element. I have at least one where the piezo unit no longer works. The torches are not overly-robust. Those torches would be a lot more useful if they didn't screw-up the gas flow out the nozzle. BernzOmatic Soldering Propane Torch Kit (14.1-oz) A multi-purpose propane torch designed for a variety of household projects including small diameter soldering, thawing, melting and heat application. The torch features a trigger-start ignition and an adjustable flame control knob. Kit includes a 14.1 oz. propane-filled cylinder. View More Apr 30, 2023 · Try using a propane torch to melt gold. As noted before, you must be extremely careful about safety concerns if you are going to use a torch. However, a torch will melt gold within a few minutes. The gold should be placed into a crucible. Then, put the crucible on a fireproof surface, and direct a torch toward the gold within the crucible. Most torches light better when the valve is just cracked open and there is a light gas flow. If your propane torch won’t light, take a look at the following steps for how to fix your torch. Troubleshooting The Igniter Step 1: Instant On/Off or Automatic Ignition. Open the valve of your fuel cylinder; Unscrew the torch tipVery simple solution for propane bottle torch when it wont light. Never throw these away! This is the older TS4000 model. Very simple solution for propane bottle torch when it wont light. Never ...The longevity of your propane tank depends on the size of torch and propane tank. Most of our hand held torch kits require a 20# propane cylinder which will last from 45mins - 2 hours depending on a few different factors such as your torch kit size, outside air temperature, etc. The Mini Dragon™ operating on a 1# cylinder will last 1-2hrs.Most Versatile. A powerful weed torch that works well for a variety of tasks and is reasonably priced. Reaches 500,000 BTUs, making it well-suited for anything from ice melting to melting asphalt. Compatible with a range of propane tanks. The 10-foot hose allows a good amount of maneuverability. Fully assembled.Step 3. Press the plastic nozzle extension tube attached to a can of compressed air against the lighter gas outlet valve. Hold the canister plunger down for one or two seconds. Move the extension tube back an inch or two to blow remaining residue from the lighter recess. Refill the lighter with triple-refined butane gas, and test. Find Product Documentation. Hand Torches and Torch Kits. Utility Lighters. Fuel Cylinders. Brazing & Welding Rods. Accessories. The VT 2-23 C propane torch is one of the most convenient to use items. It comes as a fully assembled product and is ready for use. This Red Dragon propane torch can be attached to any available refillable propane tank. However, I highly recommend you to go for the 20-pound cylinder with a hand-tighten tank fitting.the torches are needed more in winter, for thawing frozen yard hydrants. and everything else that screws up due to winter cold. First off, the torches never seem to burn properly in cold weather. I. guess the propane is cold so it likes to shoot out flat flames that spit. an sputter and generally be a pain in the ass to use.Sounds like you got plenty of propane just not enough air for it to light. If no you might have to swap it out for another. Just the gas adjustment knob. This is the torch I have. I use butane torches so this is a total guess but in the add it states it has a pencil tip. Could that be why you only get a small flame. How to fix propane torch that wont light Bernzomatic and tips 2LateIWon 14.5K subscribers Subscribe 294 Share 102K views 5 years ago Here is the propane refill adapter...Fix the Igniter The igniter tends to be one of the more common issues when a propane torch won’t light. It is one of the primary moving parts and has a higher tendency to experience faults. Automatic and Instant On/Off Ignitions Open up the valve inside of your fuel cylinder.Bernzomatic propane torch won’t light properly. Clean or thaw the valve to fix. The valve on the tank it self could be blocked/frozen, but this is unlikely as you tried an alternate tank. Let the tank slowly warm up to room temperature to fix. The vent holes near the tip of the torch could be blocked, not allowing enough oxygen to mix with ...Very simple solution for propane bottle torch when it wont light. Never throw these away! This is the older TS4000 model. Very simple solution for propane bottle torch when it wont light. Never ...Jan 26, 2023 · When you have a propane torch that won’t stay lit (or doesn’t light at all), then there are multiple approaches you can take to fix the problem. Heads up! If you’ve tried everything and would just rather replace the torch, we recommend this FRCTL model from Amazon ( affiliate link ). Dec 28, 2021 · Clamp the item down tightly to ensure it doesn’t move around. Grab your propane torch next and train its flame on the item. Focus on a smaller spot first. Don’t spread the flame around because you’ll weaken it by doing so. Melting a piece of metal or welding something will take more time using this method. When attached to a cylinder valve and tightened, the brass fitting will push the internal valve open and allow gas to flow out of the cylinder to the appliance, if the handwheel is in the open position. This fitting must be in place for gas to flow out of the cylinder. Otherwise, turning the handwheel will not produce the intended result.Weak Flame If your propane torch lights, but the flame is weak, first make sure that your fuel tank is not low. Replace the tank with another full fuel tank and see if the issue persists. If the flame is still weak on a full fuel tank, try cleaning the burn tube.Most torches light better when the valve is just cracked open and there is a light gas flow. If your propane torch won’t light, take a look at the following steps for how to fix your torch. Troubleshooting The Igniter Step 1: Instant On/Off or Automatic Ignition. Open the valve of your fuel cylinder; Unscrew the torch tip WT2301. The Bernzomatic® Utility Torch offers an adjustable, high-intensity webbed flame and hassle-free, trigger-start ignition. This torch is great for basic DIY repairs, light soldering or lighting grills. For optimal performance, use upright. The Utility Torch is compatible with Bernzomatic Propane fuel, sold separately. Map-Pro and Propane Gas Swivel Blow Torch with Trigger Ignition A 360 degree vertical swivel torch with trigger-start A 360 degree vertical swivel torch with trigger-start ignition provide easy, 1-hand accessibility to large diameter soldering, brazing and heat treating jobs in tight spaces. The optimized swirl flame provides hot, fast ... 1 I have a Bernzomatic propane torch, #UL2317. It stopped working in the middle of a job. I tried a new tank but have the same problem. It makes a hissing sound when I turn the knob and I can get a very small flame initially but when I turn it up the flame goes out (but still hisses). Any suggestions? propane Share Improve this question FollowButane torches and propane torches may operate similarly, but they’re not shaped the same. A propane torch has a head that curves inward, whereas a butane torch has a straight head. The propane torch is shaped this way so the flame can be concentrated closer to the material. The closer the flame is to the material, the more precise the torch ...Feb 25, 2023 · Shut the top main valve on the propane tank by turning the valve in a clockwise direction. Place the open jaws of the crescent wrench over the large bolt of the tank’s gas regulator. This is located at the meeting point of the propane tank and the gas regulator. Use the thumbscrew to grip the jaws around the large nut. The orifice on a berzomatic torch today is often combined with the sintered brass filter - the orifice is so small it is virtually invisible - no POSSIBLE way you could clean it with a wire.. It won't even pass liquid propane (and will often kill the flame if you tilt the torch so the head is below the level of liquid in the tank) Reply to. clare.Poke the end of a safety pin into the small hole on the side of the regulator below the torch nozzle. Work the pin around in a circle and side to side to dislodge any dirt or other material that might be clogging the system. Blow compressed air into the regulator hole. Reconnect the propane canister and try igniting the torch in the normal manner.July 15, 2022 DIY If your Bernzomatic propane torch is not working correctly, you don’t need to panic as you have a good chance of repairing it. Before we dive in to answer how to fix a Bernzomatic propane torch, let’s first try to understand the problems your torch is experiencing.Feb 17, 2021 · 4. Mag-Torch MT 5000. This one is an outsized version that measures 116 inches in length, from the nozzle tip to handle, the handle has 36 inches in length, has a 3-inch diameter, and it weighs 4 pounds. It delivers 500,000 BTU, and it can be paired up with a standard 20lbs. propane container. This propane torch has a turbo-blast trigger, making it perfect for controlling weeds or clearing ice from sidewalks and driveways. The torch generates temperatures over 3000º F with ease when you connect this torch to any standard 20 lb. propane tank. This is a great propane torch for small jobs that need a powerful flame.
620. $39.99. $39.99. Propane Torch Weed Burner,Blow Torch,Heavy Duty,High Output 800,000 BTU,Flamethrower with Turbo Trigger Push Button Igniter and 9.8 FT Hose for Roof Asphalt,Ice Snow,Road Marking,Charcoal. 4.3 out of 5 stars.. Notaries 24 7
Chinese, Generic Pencil Torch Technical Note March 12, 2007 Failure Mode: No flame No blue flame, torch flares, butane escapes very quickly Keywords: repairing torches, fixing torches, problem with pencil torch, unable to light pencil torch Introduction: If you have found this note and have not tried to open the torch, you are probably in luck.Most Versatile. A powerful weed torch that works well for a variety of tasks and is reasonably priced. Reaches 500,000 BTUs, making it well-suited for anything from ice melting to melting asphalt. Compatible with a range of propane tanks. The 10-foot hose allows a good amount of maneuverability. Fully assembled. Nov 14, 2022 · Some propane torches require a high-pressure regulator, while others require low-pressure regulators. There are also adjustable pressure regulators that help calibrate gas pressure as needed. All propane regulators do not have the same roles. While some are good for high-temperature brazing, others are good for low-temperature welding. Nov 5, 2017 · The Mag-Torch MT525 self-lighting propane torch creates a high intensity triple point flame for general heating applications. The adjustable flame knob allows for flame control and fuel economy. Self-lighting. Triple point flame for high heat. Fuel control knob allows for easy on/off. Constructed with a brass valve. If the igniter is working, but the torch still won’t light, the problem may be with the nozzle. The nozzle is the part of the torch that controls the flow of propane. Hence, if the nozzle is clogged, the propane will not come out of the torch. To clean the nozzle, remove it from the propane torch and then use a wire brush to remove any dirt ...How to fix propane torch that wont light Bernzomatic and tips 2LateIWon 14.5K subscribers Subscribe 294 Share 102K views 5 years ago Here is the propane refill adapter...Pump butane into the lighter in 3-second bursts. Press the stem of the butane can into the refill valve in 3-second bursts to inject the butane. Depending on how empty the lighter is, it may take 2-3 bursts to fill it. When the lighter is full, the butane will start to leak from the stem and won't go into the lighter.If the igniter is working, but the torch still won’t light, the problem may be with the nozzle. The nozzle is the part of the torch that controls the flow of propane. Hence, if the nozzle is clogged, the propane will not come out of the torch. To clean the nozzle, remove it from the propane torch and then use a wire brush to remove any dirt ...Start with a small stream, then increase the gas flow after the torch is lit. It’s much safer this way. 2. Place a striker underneath the gas nozzle to light the torch. Propane torches generally come with a lighting device called a striker. It’s a gun-shaped device with a trigger you can pull to spark a flame.Propane Torch Won’t Stay Lit: 5 Quick Fixes Before getting started, it’s vital to always keep your safety in mind first. When working on these fixes, make sure that you are outdoors, and away from anything flammable. Make sure the gas-release valve is turned tightly to the left to stop any propane from leaking out.Dec 5, 2022 · If the igniter is working, but the torch still won’t light, the problem may be with the nozzle. The nozzle is the part of the torch that controls the flow of propane. Hence, if the nozzle is clogged, the propane will not come out of the torch. To clean the nozzle, remove it from the propane torch and then use a wire brush to remove any dirt ... Oct 14, 2021 · While it may seem obvious, your propane torch will not work if it doesn’t have any fuel. Be sure that the fuel levels in your propane torch are at acceptable levels. If the fuel levels are full and the torch is still not functioning, that brings us to our last step. They make propane specific regulators but an acetylene regulator will work fine. For cutting need to use propane tips and propane rosebuds for heating. You can't weld with propane though, only braze. The gauge for acetylene is red at 15 PSI but no problem to go to 20 or 25 PSI when using propane.Jul 15, 2022 · If the torch does not light, the issue is due to damage to these components. Here are the reasons behind the abnormal working of a Bernzomatic propane torch. Improper Amount of Propane Gas. Start by observing the amount of fuel in the torch. Typically a hand-held propane torch requires a 20# propane cylinder. .