Does my boiler need servicing? A few Basic Checks
   

Before calling a service engineer you should make some basic checks. Use our checklist to guide you through this process. If you still have a concern having carried out these checks you should arrange a visit from a service engineer.

   

1 - Is the electricity supply on?

 

Check the boiler supply switch is on. Check the fuse on the boiler supply switch: replace if necessary
   
2 - Is there gas to the boiler?  
No - Try another gas supply in the house (e.g. cooker) Check that the gas supply valve is turned on.
   
3 - Combination Boilers: Is the water pressure adequate?

Check the pressure gauge on the front panel shows 1.0-1.5 bar.
If not, turn off the boiler - locate the filling loop tap and top-up to required pressure or ring us for help
   
4 - If the boiler has a pilot light, is it lit?

No - Refer to manual for lighting procedure. Re-light pilot and observe. (Instructions may be printed on the reverse of the boiler front panel)
Yes, but main burner doesn't light. Check the room thermostat and time clock are calling for heat.
   
5 - Is the pilot light lit but there's no heating or hot water?
Yes - could be due to pump or gas valve failure Contact G.D. Mills .
   
6 - If the boiler has electronic ignition (i.e. no pilot), is a spark present? (use eye-view to check inside boiler)
No. Contact G.D. Mills.
 
7 - Is the boiler particularly noisy?
Yes - could be due to pump failure. Contact G.D. Mills
 
8 - Are radiators hot at the bottom but cold at the top?
Yes - This means that they need 'bleeding'. (click here)
 

Be safe: If you feel tired and experience tightness across the forehead, headaches, weakness, dizziness and nausea when an open-flued appliance is in operation - switch the appliance off and Contact G.D. Mills .

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