Do you have a Heatline boiler that needs a repair or service? Has it stopped producing hot water? Need it fixed straight away?
There is never a good time to experience a breakdown on your Heatline boiler. That is why we have modeled our business to respond quickly to your repair. We can visit your Bristol or Bath property on the same day*, or book in a time to suit you. There is no need to be without heating or hot water for long!
With over 20 years experience, Core Heating specialise in boiler repairs and servicing for your Heatline boiler. We have been established since 2002 and we are proud to say that in the majority of instances, we are able to diagnose faults within the first hour!
* subject to availability

Why not call Core Heating today to see how we can help
Bristol 0117 9109813 | Bath 01225 220014 | Mobile 07968 246049
GET IN TOUCHHeatline Boiler Servicing
Heatline highly recommends that your boiler is serviced every year. In doing so, you will be making sure that your boiler is working safely within your home. All boilers, if unmaintained, produced harmful by-products and that is why it is vital a service is carried out on a regular basis as it will mitigate any potentially hazardous situations.
We take our responsibility of carrying out a service very seriously. We will never rush through a boiler service, but rather we will give it whatever time and care that it needs to ensure that your boiler is working according to all current Heatline regulations.
Please note: To carry out a service, your boiler needs to be fully functional. However, if your boiler isn’t working, don’t worry, we are specialised in repairs too!
Please call us today for our current price structure. We look forward to hearing from you.
Heatline Boiler Repairs
Occasionally, your Heatline boiler will need a bit of extra care. When you experience a breakdown your boiler will most likely display a fault code. Here is a list of some that you may be experiencing:
F00 Flow heating temperature sensor fault
F01 Return heating temperature sensor fault
F10 Flow heating temperature sensor fault
F11 Return heating temperature sensor fault
F20 Overheating fault
F22 Water pressure of the installation (<0.3 bar)
F23 Maximum temperature difference reached between return and flow heating
F24 Water circulation fault
F26 Fault in gas valve motor
F27 Flame detection fault
F28 Ignition fault
F29 Loss of flame during operation
F32 Incorrect air pressure
F49 EBUS voltage fault
F61 Fault in the main board
F62 Fault in the main board
F63 Fault in the main board
F64 Fault in the main board
F65 Fault in the main board
F67 Fault in the main board
F68 Fluctuation of flame signal
F70 User interface incompatible with the main board
F71 Flow heating temperature sensor fault
F72 Permanent temperature difference between flow and return heating sensors
F73 Heating circuit pressure sensor fault
F74 Heating circuit pressure sensor fault
F76 Thermal fuse fault
F77 Fault in gas valve motor
F83 No water in the installation: the temperature does not increase when the burner is lit
F84 Permanent temperature difference between flow and return heating sensors
F85 Flow and return heating sensors fault F86 Underfloor heating contact fault
Err User interface fault
Don’t worry if the one you are experiencing isn’t in the above list, we can still sort out the problem. First, try resetting your boiler to see if this rectifies the problem. If not, please call us to see how we can sort out your problem…FAST
Check out our testimonials…
Why not take a look at what our customers say on our testimonials page. After all, it’s not what we say that is important, rather it is what you as a customer say that is the most important.
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