A Alert Drain offers plumbing & drain services in Toronto, ON. We specialize in plumbing and draining repairs and installations, servicing the entire GTA. Call one of our experts today! Since 1927, the expert service of A Alert Drain Limited has kept drains in Toronto and the GTA flowing smoothly. Whether a clogged drain needs a snake or waterproofing is in order, we can do it all. Trust the experienced and best plumbers in Toronto to give you the courteous and professional service you expect from a family owned and operated business.