Connecting Sink to Drain Pipeの概要と注目ポイントを徹底的にカバーしました。

If your wall drain is made of cast iron and you don’t own a special cutting tool, stop right there. Cast iron is not for beginners—it’s the final boss of plumbing.

If you’ve tightened everything twice and still have a leak, the problem might be a cracked pipe or a corroded fitting. That’s when you wave the white flag and call a plumber.

Remember: Plumbers fix problems; you fix your bank account by not calling them too early. But calling them too late? That costs even more. Balance, my friend.