A hot water heater leaking from the drain valve is often caused by sediment buildup, failed seals, or corrosion. In Calgary homes, mineral deposits from hard water settle at the bottom of the tank, which can interfere with the valve’s ability to close properly or lead to leaks in the tank base.
To address a leaking drain valve, you can try the following steps:
- Flush the tank: Attach a garden hose to the drain valve and flush the unit for 10 to 15 minutes until the water runs clear. This removes sediment that may be causing the leak.
- Tighten the fittings: Use an adjustable wrench to gently tighten the valve or surrounding connections clockwise. Be careful not to over-tighten, as this can cause further damage.
- Replace the valve: If tightening and flushing do not stop the leak, the valve itself may need to be replaced. This involves shutting off the water supply, partially draining the tank, and installing a new valve with thread sealant.
If the leak persists or if you notice rust and corrosion around the valve area, it may indicate a more serious issue with the tank itself, requiring professional repair or replacement.
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