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Why Is Your Water Heater Leaking?

Water heater that is leaking - Jarboe's Plumbing, Heating, and Cooling

Water heater leaks are stressful in any circumstance, but even more so when you don’t know the cause. Homeowners in Louisville, Kentucky often don’t know where to look when their water heaters leak, which makes repairs all the more difficult. Further, leaks stress homeowners because they sometimes indicate a replacement is necessary. Replacements are expensive, and homeowners want to ensure the problem actually necessitates a replacement before they make the investment.

Jarboe’s Plumbing, Heating, & Cooling offers homeowners advice about how to identify the cause of the leak. Leaks are easy to diagnose when you know where to look. Though most repairs and replacements require a plumber, it’s good to know the location of the leak to point the pros in the right direction.

Causes of Water Heater Leaks

Water heater leaks occur for a multitude of reasons. Practically every component of the system has the potential to leak. However, some are easier to fix than others. Occasionally, the problem is simply a loose component. Other times, the whole tank requires attention. In every circumstance, it’s best for homeowners to contact a plumber to properly diagnose the issue.

These are the most common causes of water heater leaks in Louisville homes.

  • Drain valve. Drain valves allow water to leave the tank for maintenance checks or replacements. Homeowners also use this to empty the tank to clean away sediment. When the drain valve is loose, water slowly leaks out—an easy fix with a wrench. Alternatively, leaks from the base of the valve mean the valve isn’t watertight, which requires a new drain valve. Homeowners and plumbers are both able to perform this task.
  • Too much pressure. Pressure naturally occurs in water heaters because the tank deals with incredibly hot water. Hot water creates steam, which adds to the pressure in the tank. If too much pressure exists in the tank, the water leaks through cracks, loose parts, and more. If the water temperature is set too high, the pressure increases. Additionally, if the water from the water supply enters the system at a high pressure, the tank experiences leaks.

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