hello i hope someone can give me some advice.i am installing a shower pump underneith my bath to replase the one that was leaking.it came with 4 22mm tap connecters that have 22mm push fit connection at the other end and that is the problem the hot and cold pipe they connect to is 15mm.is at all possible to buy 22mm flexible tap connecters with 15mm push fit at the other end.i have done a google search cant find a thing. thanks again for any help :