Central heating – noisy boiler and/or pipes

Causes

Build-up of scale in the system causing hot spots that produce steam bubbles in the system

Thermostat is faulty

Insufficient water flow in the system

Lack of water pressure

Listed under: electrical, gas, heating, Services, central heating

Cause

Build-up of scale in the system causing hot spots that produce steam bubbles in the system

Repair

  • shut down the system; treat with a chemical de-scaler according to the manufacturer’s instructions; drain and flush thoroughly before refilling the system

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Cause

Thermostat is faulty

Repair

  • replace thermostat
  • call a specialist service/repair person

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Cause

Insufficient water flow in the system

Repair

  • ensure that mains water is on; check:
    • water flow rate
    • that the float valve is not stuck
    • that the safety vent pipe is correctly installed
    • the feed and expansion tanks
  • call a specialist service/repair person

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Cause

Lack of water pressure

Repair

  • check pressure indicator and increase pressure if necessary
  • call a specialist service/repair person

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