Soldering Copper Pipe Propane. First use sandpaper to clean the inside and outside of the pipes and fittings that will be joined. When to use Type L and Type M copper pipe sizes But for normal in the wall household plumbing Type M copper pipe is just fine.
FLARE or solder fittings only NO compression ferrule fittings. 1Clean Both The Copper Pipes Which Will Be Joined Together. Soldering with a Propane Torch.
But not too hot or youll burn the flux and oxidize the copper at which point you need to take it apart and start over from point 1.
But not too hot or youll burn the flux and oxidize the copper at which point you need to take it apart and start over from point 1. Spread the flux over the entire surface with a brush. One may also ask what is the difference between L and M copper pipe. MAPP gas comes in a yellow tank and propane comes in a blue tank.