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Why Does My Heater Keep Shutting Off?

If your heater is shutting off intermittently, it could be due to a variety of reasons, including a malfunctioning thermostat, issues with the boiler’s ignition system, or problems with the heating system’s airflow.

Likely Causes of a Heater Shutting Off

Some common causes of a heater shutting off include a faulty thermostat, low water pressure, or a blockage in the heating system.

Safe Homeowner Checks

Before calling a technician, homeowners can perform a few safe checks, such as ensuring the thermostat is set correctly, checking for any blockages in the vents, and verifying that the boiler has sufficient water pressure.

Danger Signs to Watch Out For

Homeowners should be aware of danger signs such as a gas smell, suspected carbon monoxide, smoke, or severe overheating, and take immediate action by shutting down the system and contacting emergency services or a licensed professional.

When to Call a Technician

If the heater continues to shut off after performing the safe homeowner checks, it’s time to call a licensed technician to diagnose and repair the issue.

Prevention is Key

Regular maintenance, such as annual boiler inspections and cleaning, can help prevent issues with the heating system and reduce the likelihood of it shutting off.

Final Takeaway

By performing safe DIY checks and being aware of danger signs, homeowners can take the first steps in troubleshooting their heater and ensuring a warm and safe home.