i have always used propane for copper pipe. but it takes an awful long time to heat 1.5" pipe ready for soldering. can MAPP gas be used to do it faster ?
Mapp gas works great. Be sure to keep the tip moving and use a wider tip if you can find one. Burnz-o-matic used to sell a home version of a mapp gas torch with different tips. I don't know if they still do...
Larger tips for "home type" torches are hard to find. Most Plumbers use an acetylene tank for more heat and a larger, but lightweight, tank. These tanks also use a long hose connected to the torch so you don't have it in your way when soldering and can also be used when you are up on a ladder 10 feet. Heating 1-1/2" copper will be a chore with a handheld torch.
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