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Advice |
November 16, 2021

5 common boiler problems to check...before calling us!

absolutely the right thing to do - sometimes, we could save you the call out charge by checking a few things out first. 

We get a lot of calls from people about the same sort of things. And, whilst we thank you for reaching out to us – it’s absolutely the right thing to do – sometimes, we could save you the call out charge by checking a few things out first. 

Here are our top 5 boiler problems and how you can easily solve them.

No heating or hot water

It’s a pain isn’t it? You’ve run yourself a nice bath, only to find it’s stone cold, or worse, you’ve come in from a winter’s day to find the house is no warmer than it is outside.

The first thing you should check is the pressure gauge on your boiler to see if it is below 1. If it is, there could be an air lock in your system, so try bleeding your radiators to see if that helps. If that doesn’t work, you might need to repressurise your boiler and you will need to refer to your boiler manual to see how to do this properly. If you don’t have the manual, you can also contact your boiler manufacturer who will be able to talk through this with you. The ideal pressure for your boiler should be between 1 and 2.

If this still doesn’t solve the problem, or it becomes intermittent, then give us a call as it could be a fault within the boiler itself.

Inadequate radiator heat

We briefly covered this above, but an air lock is usually the cause of uneven radiator heat. An air lock is easy enough to solve, you will need some old towels, a small bucket or large jug and a radiator bleed key to do this and there are plenty of videos online to show you how.

Cold patches on radiators can also be caused by a build-up of air or sludge inside either the radiators or the heating system itself. So, if bleeding the radiators doesn’t work, call us as we can then quote you to flush out the system and see if that solves the issue.

Boiler noise

You wouldn’t believe the number of calls we get on this, which, most of the time, end up being nothing to worry about. To some extent, some boiler noise is perfectly normal – especially if it’s just firing up, or it’s getting going after a long period of time switched off, either due to the house being empty or the heating being off over the summer.

When do you call us? When there is any uncharacteristic noises, whistling or gurgling, or if the boiler is making the banging noise (make sure the banging is not coming from the radiators or pipes as this can be an air lock – see points 1 and 2 above – those pesky airlocks have got a lot to answer for!).

Frozen pipes

This is a very common one – especially this time of year as we head into the colder months. There is a condensate pipe which transports condensation from your boiler to the outside drain, which is why it freezes during periods of cold weather. As a result, a blockage can occur and cause a boiler breakdown. 

You can defrost your condensate pipes by pouring hot water along the length of the pipe. Do not use boiling water as this can cause the pipes to warp or crack. The water temperature should resemble a hot bath or shower. Once the pipe has thawed you can restart your boiler – check your boiler manual for how to do this, or call the manufacturer.

You might need to repeat the process several times before your boiler kicks in again, but call us if this still doesn’t solve your problem after several attempts.

Boiler not responding to thermostat

Again, as the clocks go back at this time of year, we get so many calls about this. We suddenly think our boilers have stopped working – at a time when we need them most! But, have you thought about adjusting the timer on your boiler to reflect the new daylight hours? We might save you a little embarrassment as well as cash on a call out charge, but, if your boiler is definitely on, your times are all correct and the thermostat is still not responding, give us a call.

Further tips to avoid a call out charge

Carry out basic checks on your boiler. As well as the pressure, check the gas supply on any appliances as if they aren’t working, that is a sure sign something is wrong with the mains and you will need to call us out. Check any fuses as these can just trip out and check the heating controls, or the reset button – sometimes things just need resetting and the boiler will start working again.

For your frozen pipes, you can avoid this problem in the future by putting pipe insulation or lagging around the pipe to protect it from the cold.

Age and inefficiency can also cause boilers to break down. Older boilers can also be much more inefficient and we would recommend investing in a new system so that you can get the heating and hot water you need. A new modern and energy-efficient boiler could also help you save on your energy bills – plus, we offer flexible finance options for all our customers, making it more affordable too.

Check out our new boiler page (https://www.koziwarm.com/new-boilers/) for more information or give us a call. If you think you have a boiler emergency, contact us any time of the day or night on 01206 826 903.

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