Boiler Tank
Select symptom:
Header/central heating tank overflowing (cold water)
Header tank/Central heating tank overflowing
Leak from the tank
Diagnosis:
This poses a much bigger problem. Possibly your central heating circuit is blocked and hotwater is being pumped over the heating vent pipe into the Header tank. You need to have a least one Powerflush.
Estimate price of job
Parts: £0
Time: £500
Total: £500*