**Direct answer:** A water heater flush and preventive maintenance visit removes sediment from a tank-style heater and checks key components. This can improve efficiency, reduce noise, and help extend lifespan—while also catching early leak or safety issues before they turn into an emergency. If you need **Water Heater Flush & Preventive Maintenance** in Toronto & the GTA, we’ll start by confirming the real cause, then walk you through the most practical options (quick fix vs long-term fix). To book service, call **647-784-8448** or email **[email protected]**.