was actually a bit larger but used the inside with the old outside and it worked like clockwork. You have to go through the wall so wait until I watch some videos on You Tube to try. Should have studied earlier. It's easy to change, and you don't even have to turn off the water except the faucet. Today, everyday household skills are being lost. As a good friend said, the answer will always be no if you don't ask. 4 stars because of sizing issues. It is definitely worth it.