I am getting ready to rough in a shower (existing/remodel). The old shower/bath valve was all steel (galv?). It is being replaced with a moen which I am sure is all brass. The supply lines come up from the floor below and are galv. with galv. 90 degree elbows that run toward each other to feed the original shower valve.
I realize that I will have corrosion problems if I try to connect the 90 degree elbows to any new copper that goes in; but will I have any problems if I attach the supply lines to the new brass valve using only galanized fittings? I read earlier that galv to copper is no good; but galv to brass is safe. Is this true? If not, what is the beat solution? I don't think removing the entire suppl lines is an option, and I am not sure the elbow, if removed will leave the supply line threads in usable shape.
I thought about cutting the 1/2" supply line with a sawzall; but then would be unable to rethread without over torquing the supply line at its root.
Help if you know the solution. thanks,
Ed
I realize that I will have corrosion problems if I try to connect the 90 degree elbows to any new copper that goes in; but will I have any problems if I attach the supply lines to the new brass valve using only galanized fittings? I read earlier that galv to copper is no good; but galv to brass is safe. Is this true? If not, what is the beat solution? I don't think removing the entire suppl lines is an option, and I am not sure the elbow, if removed will leave the supply line threads in usable shape.
I thought about cutting the 1/2" supply line with a sawzall; but then would be unable to rethread without over torquing the supply line at its root.
Help if you know the solution. thanks,
Ed