
Seeing a boiler fault code or flashing lights? Pro Plumbers Ltd provide fast, Gas Safe boiler repairs across your area.
If your boiler has stopped working, is flashing warning lights, or showing a fault code like EA, F22, E119 or F1, it usually means a component has failed or the system needs professional attention.
Ignoring boiler error codes can lead to:
No heating or hot water
Repeated boiler lockouts
Costly damage if left unresolved


We repair boiler fault codes across all major brands, including:
Worcester Bosch boiler error codes (EA, E9, ER, A1)
Vaillant boiler fault codes (F22, F28, F29)
Ideal boiler error codes (F1, F2, F4)
Baxi boiler fault codes (E119, E133, E168)
Glow-worm boiler errors (F22, F28, F29)
Potterton boiler fault codes (E133, E119)
Viessmann boiler error codes (F2, F4, F5)
If your boiler brand or code isn’t listed, we can still help.
If your Worcester Bosch boiler is showing an error code such as EA, E9, A1 or ER, it usually means ignition failure, overheating, or pressure issues.
Our Gas Safe engineers regularly fix:
Low pressure faults
Overheating shutdowns
Repeated reset failures


Seeing a Vaillant boiler error code like F22, F28 or F29? These faults often stop heating and hot water completely.
We diagnose and repair:
Low water pressure faults
Ignition and flame failure
Gas supply and sensor issues
An Ideal boiler error code such as F1, F2 or F4 usually means pressure loss, ignition failure, or fan issues.
We fix:
Boiler lockouts
Pressure-related shutdowns
Fan and airflow faults


Common Baxi boiler error codes like E119, E133 and E168 indicate pressure faults or ignition failure.
We help with:
Low system pressure
Flame detection issues
Control board faults
If your Glow-worm boiler shows F22, F28 or F29, it often won’t restart without professional repair.
Our engineers resolve:
Pressure drops
Ignition problems
Faulty sensors


Potterton boiler faults such as E133 or E119 commonly cause complete boiler shutdowns.
We provide:
Rapid fault diagnosis
Safe repairs
Long-term solutions
A Viessmann boiler error code like F2, F4 or F5 often requires specialist knowledge.
We repair:
Sensor failures
Overheat shutdowns
Burner and ignition faults

If your boiler displays an error code or flashing lights:
Don’t ignore it – repeated resets can worsen the issue
Avoid DIY fixes – most faults require Gas Safe repairs
Call Pro Plumbers Ltd for a fast diagnosis and repair
We’ll identify the fault, explain the issue clearly, and get your heating running safely again.

We handle all Boiler error codes and provide ongoing annual Boiler Servicing to ensure your Boiler always performs efficiently.

From your first call to completion of the job, we make solving your plumbing and heating problems simple and hassle-free. Plus, when you choose us, you’re working with a highly recommended local business.

We have 100+ reviews from platforms such as Google & Checkatrade.

All our workmanship is backed by a 12-month guarantee for your peace of mind.

We have agreed pricing all on emergency and non emergency jobs.

All of our plumbing and heating engineers are fully qualified and are DBS checked.

If you have an emergency across plumbing or heating, we will dispatch an engineer ASAP.

We pride ourself on offering exceptional customer service with each job.
✔ Sevenoaks
✔ Edenbridge
✔ Meopham
✔ Orpington
✔ Tonbridge
✔ West Malling
✔ Sidcup Bexley
✔ Tunbridge Wells
✔ Maidstone
✔ Chislehurst
✔ Blackheath
