How to Fix a Boiler: Simple DIY Tips and Tricks


A malfunctioning boiler can disrupt your daily routine. Here are simple DIY tips to fix a boiler efficiently:

  • Check Thermostat: Ensure the thermostat is set correctly. Sometimes, a simple reset can solve the issue.
  • Reset Boiler: Locate the reset button and hold it for 10 seconds. This can often fix minor glitches.
  • Bleed Radiators: Air trapped in radiators can affect boiler performance. Use a radiator key to release trapped air.
  • Inspect Pressure: Boiler pressure should be between 1-2 bars. Repressurize if it’s lower by turning the filling loop valve.
  • Check Pilot Light: If the pilot light is off, relight it following the manufacturer’s instructions.
  • Consult Manual: Refer to your boiler’s manual for specific troubleshooting steps.

Following these tips can save you time and money. Always prioritize safety and consult a professional if unsure.