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Unusual noises in your pipes can be a sign of 'kettling' which is a result of a buildup of limescale within the heat exchanger and can cause ongoing issues in your central heating system. These noises can also be heard if you have low water pressure or a pump failure.
If you react quickly to these signs then the steps to fix the issue could be less complicated and more cost-friendly, you could even save the need for a new boiler.
You will need to call in a Gas Safe heating engineer to repair the issue, but here are some steps you can take to discover the root of the problem first.
If your boiler is making a loud banging noise, it could be a cause of steam bubbles produced by a build-up of scale. Limescale can be considerably damaging and have a significant impact on the lifespan and energy efficiency of a central heating system. It causes 'hot spots' which are generally treated with a chemical descaler.
How to use a chemical descaler:
A noisy boiler could be caused by having your thermostat set too high. To stop your boiler making noise, you could try lowering the temperature on your thermostat. Although your home might not be as warm as you'd like, the level of noise from your boiler should quieten.
Poor water flow can often be to blame for boiler noise. Here’s how you can investigate this potential cause further:
A lack of water pressure can sometimes cause your boiler to make noises. Check the pressure indicator on your boiler and increase if necessary. Find our guide on how to re-pressurise your boiler here.
Boiler repairs should by law always be carried out by a qualified and Gas Safe engineer, so you should never attempt to carry out any repair work on your boiler yourself. Go to Service & Repairs to book an appointment with one of our expert engineers or give us a call on 0203 805 4581 .
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 Online discount is available to domestic gas and LPG customers who receive an online quote for all boiler brands excluding Ideal Logic HO18 & HO24 & like-for-like system swaps on the Ideal Logic HE24 & HE30, Ideal Logic HO15, & HO12 boilers. Online discounted price is only available for the duration of the 14-day quote validity which starts from the day the quote was given. Offer is not available to Help-Link UK Ltd or HomeServe employees.
Online discount can be applied as follows: All boiler manufacturer types on like-for-like system swaps excluding the following boilers: Ideal Logic HE24 & HE30, Ideal Logic HO15, HO12, HO18 & HO24, are eligible for a £50 discount and then 5% discount off the final quoted price. Conventional to combi boiler swaps also qualify for an additional £100 discount after 5% initial discount is applied. This offer cannot be used in conjunction with any other offers. Help-Link UK Ltd have the right to withdraw or change the offer at any time. Online discount is automatically applied when the customer gets a quote using the online quote system at www.help-link.co.uk and as long as the customer meets all the above criteria.
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