Our daily lives rely in multiple ways on reliable access to hot water. If you ask, “Why does my water heater keep turning off?” you likely need professional plumbing help. As a handy start, MVP Plumbing provides the following discussion of this problem and what to do about it.
As the most trusted plumbers in Ardmore, PA, we want to help you maintain a safe and efficient plumbing system on your property.
Common Reasons Your Water Heater Shuts Off
Even newer water heaters sometimes shut down automatically and unexpectedly. These are some of the most common reasons.
Flex Tube Blockage
In gas-powered water heaters, the flex tube delivers fuel to the burner. When clogged with debris or corrosion, the tube restricts gas flow. Uneven gas distribution leads to burner shutoff and heating failure.
Main Control Valve Failure
The main control valve regulates the flow of gas to the burner. If the valve sticks or malfunctions, it also leads to inconsistent gas delivery. Like a blocked flex tube, this issue causes intermittent or failed ignition. The valve experiences significant wear and tear, and sediment accumulation over time increases the likelihood of mechanical failure.
Tripped Circuit Breaker
“Why does my water heater keep turning off?” Check the circuit breaker serving your water heater. Repeated trips often result from:
- An overloaded electrical system
- A short circuit in the heating element
- Faulty wiring
Call your professional plumber if the circuit breaker serving your water heater will not remain on after resetting it.
Defective Thermostat
The thermostat controls the on-and-off cycling of a tank-based water heater. When the thermostat malfunctions, the actual temperature of the water stored in the tank can be either too cold or too hot. That leads to premature cycling or overheating that triggers automatic safety shutdown.
Water Heater Overheating
As mentioned above, system overheating often causes safety breakers that shut down the water heater. In addition to a malfunctioning thermostat, excessive sediment buildup in the tank or a faulty heating element can cause overheating. Take prompt action, as overheating issues lead to additional internal component damage. This problem also increases the risk of scalding water or excessive pressure.
Sediment Buildup in Tank
High mineral content in your water supply speeds up sediment buildup in your water heater’s tank. Minerals settle out and accumulate at the bottom of the unit, which in turn insulates water from the heating element. That causes overheating and system shutdowns. Regular tank flushing helps prevent excessive sediment accumulation.
Why Professional Repairs Are Necessary
If you have a good understanding of “Why does my water heater keep turning off?” it may be tempting to troubleshoot water heater issues on your own. However, professional repairs ensure safety and long-term solutions. Here’s why hiring an expert plumber is the best choice:
- Safety concerns. Gas leaks, electrical malfunctions, and overheating all present serious hazards.
- Proper diagnosis. An expert plumber has the experience, skill, and technology to accurately diagnose the root causes of water heater trouble.
- Long-term solutions. Professional repairs prevent repeated shutdowns and extend the lifespan of your water heater.
Call on MVP Plumbing for Expert Water Heater Services in Ardmore, PA
When you experience water heater troubles in Ardmore or the surrounding region, call the friendly experts with MVP Plumbing.
Our team understands every aspect of water heater systems and repairs, and we’re committed to restoring your plumbing system’s functionality and safety. Read our other plumbing posts for relevant information on topics like how a tankless water heater works.
Contact MVP Plumbing today for expert repairs and reliable service!
FAQs About Water Heater Failures and Repairs in Ardmore, PA
These are some of the more common questions our Ardmore customers ask besides, “Why does my water heater keep turning off?”
How Often Should I Have You Flush My Water Heater?
We recommend scheduling a full flush of your water heater annually as part of our regular maintenance. Our service keeps the tank clear of sediment and supports optimal energy efficiency.
Can High Water Pressure Cause My Water Heater To Turn Off?
High water pressure in your entire plumbing system can cause a water heater to turn off. Many newer models include safety mechanisms to protect the unit from excessive pressure.
Can a Faulty Thermocouple Cause My Water Heater To Turn Off?
A faulty thermocouple in older water heaters can prevent the pilot light from staying lit. For systems that rely on this type of ignition, pilot light problems are often the answer to the question, “Why does my water heater keep turning off?”