Drain 1 Plumber - Toronto Plumbing Services. Drain 1 Plumbers offers Toronto plumbing services and also, to nearby places. We can implement general plumbing, draining, waterproofing, kitec pipes replacement, etc. Also, we have 24-hour emergency plumbing services. Some of our services: residential & commercial plumbing, water line repair & replacement, clogged drain cleaning & repair, basement waterproofing, backwater valve installation, sewer cleaning, camera inspection.