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Hazard light is flashing

I switched boiler on last night for radiaters but they didnt come on and its making a loud screaching sound. the light is now flashing.

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It sounds like your pump bearings have gone, a new pump or pump head will be required, you may have a sealed system and a small leak may have dropped system pressure,causing the pump to run dry and damaged or seized bearings, if you have an older system with a filler tank in loft, the ball valve may have stuck in closed position and the water level has dropped in system. Venting the radiators on iether system can cause problems if there is not an adequate level of water.

Posted on Mar 03, 2009

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Posted on Jan 02, 2017

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