| It should be ok as they are supposed to be standard "pipe" thread by international standards... It's the mere fact that they don't realize that both ends are different threads and one is "Plumbing" standard and one is "Pipe" the faucet ends will be "standard plumbing" and the other end will be "Pipe" and your idea of instituting the shut off valve between the 2 is correct and should solve the problem though seldom ever applied here and thus not understood as the primary part of the problem (TIT) and your installer has to have the understanding, determination and motivation to follow through and make it correct without the usual Thai fabrication..
That speaks for itself, from there it's all about his ingenuity and motivation... I don't envy you, your conundrum... |