I would want to get to a threaded coupling to connect to the galvanized, even if it means removing more galvanized. Maybe the coupling I describe below is suitable for long term use.
I am slowly replacing galvanized with PEX. If I get to where I need to cut a galvanized pipe, and splice in something, that will only be temporary... so I can keep water going with break time between piping work. Anyway, the one coupling I know that can connect to 1/2 inch galvanized without threading is a "Dresser" type coupling.
I think this is one of the clones of a Dresser coupling:
I don't know why they call it an FPT coupling. I think it can connect two iron pipe size pipes, but I had been thinking of putting an appropriated coupling on a piece of schedule 40 PVC (which is IPS). Then grasp that in one side of the coupling, and put the other side on the galvanized pipe.
I think there may be a better way. I would like to hear other alternatives.
It is common practice to connect brass to galvanized.
You can connect to a threaded galvanized pipe or fitting, but you cannot use a push-on Sharkbite or similar to galvanized AFAIK.I would want to get to a threaded coupling to connect to the galvanized, even if it means removing more galvanized. Maybe the coupling I describe below is suitable for long term use.I am slowly replacing galvanized with PEX. If I get to where I need to cut a galvanized pipe, and splice in something, that will only be temporary... so I can keep water going with break time between piping work. Anyway, the one coupling I know that can connect to 1/2 inch galvanized without threading is a "Dresser" type coupling.I think this is one of the clones of a Dresser coupling: http://www.homedepot.com/p/LDR-Indu...FPT-Compression-Coupling-311-CCL-12/ This is the 1/2 inch version, but they have 3/4 also.I don't know why they call it an FPT coupling. I think it can connect two iron pipe size pipes, but I had been thinking of putting an appropriated coupling on a piece of schedule 40 PVC (which is IPS). Then grasp that in one side of the coupling, and put the other side on the galvanized pipe.I think there may be a better way. I would like to hear other alternatives.It is common practice to connect brass to galvanized.
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