There is good and bad news when it comes to heaters. Unfortunately, all heaters and even furnaces may require some eventual replacements due to certain unfathomable mysteries. But the good news is that some heating problems can be fixed so you wouldn’t have to keep on purchasing a whole new system over and over again.

Some systems often malfunction in the autumn, when the heater is suddenly turned on after a long summer of disuse. But nothing could be more frustrating than experiencing a heater problem amidst the dead of wintertime. Nonetheless, it’s best to set aside your worries as we give you some of the most common heater problems including the best solutions to fix them. We can also tell whether the problem needs a repair or a replacement. But don’t wait for any single problem to happen before you make yourself aware of the troubleshooting process. After all, you know what they say it’s better safe than sorry.  

Issue: The boiler is making a strange noise.

You might get surprised by hearing some strange noise from your boiler. This odd-sounding is often referred to as “kettling” ‒ which basically means that noise is made when the pilot light first ignites. When this occurs, make sure to do the following steps of solutions:

✓ Try to turn the boiler off. This way helps you determine whether the noise is made from trapped air or some other causes.

✓ Locate the air bleed screw and release any excess wastes.

If the problem persists after performing the basic solutions:

✓ Make sure that there is enough water to the feed-and-expansion tank usually found in the loft, only if you are using a traditional boiler system.   

✓ Check the system if it is clogged with mud and other filthy residues. Wash the sludges to fix the issue.

Issue: The heating is only working upstairs.

It could be a few things why the heater only warms either upstairs or downstairs. It’s always good to consult your manufacturer’s manual if you’re quite unsure of how to carry out any of these checks. But for the meantime, here are some basic steps to do:

✓ Always turn the heater off first.

✓ Make sure the radiators are bled.

If that doesn’t work,

✓ Check if the clock is set to ‘on’ and if your thermostat is fitted, set it to the maximum.

✓ Finally, turn the radiators up to maximum.

Take note that your pump might have become stuck, especially when your heater has not been used for a long time. If that’s the case, book an appointment with your contractor to help you out.

Issue: The boiler is leaking.

Discovering a leak from the boiler can be a serious problem so do not attempt to repair it yourself. The gas boilers leakage must only be conducted by professional engineers. Ask for assistance immediately and do not wait for more, excessive leakage.

Some causes of boiler leakage could either be corrosion, high pressure, or improper installation.  

Issue: Controls are not working correctly.   

This problem is very common to room heaters. So, here’s what to do if your heater’s controls seem to be faulty.

✓ Try to unplug and plug the unit to see if that already solves the issue.

✓ Check the heater’s thermostat. Make sure it’s set to the right setting.

✓ Try resetting it to check if that fixes the problem.

If the problem persists, there could be an internal wiring issue. To follow the necessary solutions, consult your owner’s manual for guidance.

✓ Again, unplug the heater.

✓ Lift open the thermostat carefully and make sure all wires are properly connected.

If these steps do not fix the issue, or if you have a room radiator instead of an electric or gas heater with a thermostat, contact your local HVAC professional for advice.

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