What is a Gas Torch?  

A gas torch or blow torch is a torch that uses a fuel to heat objects. Propane and Map Pro (a type of propane) are the most common fuel sources for gas torches. Gas torches are used for a variety of jobs, the most common being soldering copper pipes. Gas torches are also used to  loosen stuck and rusted bolts, remove air bubbles from epoxy finishes, strip non-leaded paint, activate shrink wrap and shrink tubing, weld certain materials, braze metal and even destroy weeds. Here are the basic parts: 

  • Fuel canister
  • Torch flame adjustment knob
  • Torch ignition lock and ignition button
  • Torch burner tube

Plumbers uses this tool often, but mechanics and those who use specialized finishes may use this frequently as well.   

How is a gas torch used?  

Operation basics 

  • Slightly open flame adjustment knob
  • Push ignition button in (this may need to be repeated several times)
  • Adjust flame to appropriate size
  • Heat up object
  • (operation steps may vary depending on the type of igniter)

Accessories available 

  • Brazing nozzle
  • Extended hose
  • Heat shrink nozzle
  • Weed and pest torch kit
  • Flame spreader
  • Replacement lighter flints
  • Solder, Brazing rods, flux

 Safety guidelines

  • Wear eye protection
  • Do not heat near fuel sources
  • Do not store fuel canisters in excessive heat
  • Disconnect head from canister when not in use
  • Give time for the flame tube to cool before handling
  • Do not torch items that may have lead in them
  • Avoid using torch in confined areas

 What are the different types of gas torches? 

  • There are a variety of different tips that can be purchased for different tasks
  • Some older varieties do not have an automatic igniter and will need a striker to light the fuel
  • Most are fueled by Propane or MAPP
  • The size of the fuel tank can vary

What makes a good gas torch?  

  • Good igniter
  • Ergonomic handle

Bernzomatic makes high quality gas torch.

Family Handyman

Avoid Fires 

Always us a flame protector cloth when soldering near flammable materials like wood. Buy one at amazon.

Get more plumbing tips here.