Frequently Asked Questions

All FAQs

Question
Can I use artificially softened water in the heating circuit with my boiler?
Should I turn my oil boiler off when my oil tank is being filled?
What can cause an oil boilers burner to lockout?
Should I have my heating system treated or cleansed?
How often should I need to top up the pressure in the heating system?
The heating system is constantly losing pressure what should I do?
What is pluming?
Will I receive anything in writing when I have a new boiler installed?
What sort of shower can I run off my combi boiler?
Why is the hot water produced by my combi boiler sometimes cloudy?
What are timers, programmers and programmable room thermostats?
How efficient are air source heat pumps?
How could mains water pressure affect my combi boiler?
Can heat pumps heat swimming pools?
Do you recommend treatment of the central heating water?
How does part L of the Building Regulations affect my boiler installation?
What do the error symbols mean on my boiler?
What is ErP?
What is Energy Labelling?
Under ErP, what about systems that contain different products?
How do controls affect ErP?
Do I need a boiler, solar panels or heat pumps to heat my home?
My new Greenstar oil boiler's flue overheat thermostat keeps tripping out
What is a thermostatic radiator valve (TRV)?
Why might I want to programme hot water times with my combi boiler?
Which programmers are compatible with my gas boiler?
Can I use third party controls with your boilers?
Can I use Worcester controls with a system boiler?
How does a heat pump work?
What is CoP?
With a heat pump do I still need a boiler?
What heat delivery method gives the best results with a heat pump?
Can I keep my existing radiators with a heat pump?
Where can air conditioning units be used?
Can an air conditioning unit be used to cool the home as well as providing heat?
What refrigerant is used in Greensource air to water heat pumps?
What is the lower limit operating temperature of a Worcester air to water heat pump?
What are the key maintenance requirements for Greensource Air to Water Heat Pumps?
How should the air to water heat pump unit be sited to ensure the airflow and access it needs?
What size of cable should be used to connect the air to water heat pump to the mains electricity supply?
How cost effective are solar thermal panels?
Is there enough sunshine in the UK for solar thermal?
What is the best way to calculate how many solar thermal panels I need?
Is planning permission required for solar thermal panels?
Is there any funding available for solar thermal?
My boiler is producing a 'gurgling' sound what could be the cause?
How do I know that my condensate pipe is blocked?
How much is the EasyControl app?
How many devices can I connect to the EasyControl?
How many Smart TRVs can I connect to my heating system?
I don’t have a Worcester Bosch boiler. Can I still install a Bosch EasyControl?
What happens with the data from my EasyControl?
Can I turn the home presence detection feature off and use my set timings instead?
Can I program my hot water as well as my heating?
I already have a Wave control. Can I upgrade to an EasyControl?
Which rooms should I install the Smart TRV’s in?
How to bleed a radiator
What is the FastTrack installation service?
What happens if the customer doesn’t meet the FastTrack criteria?
How are installers selected to complete FastTrack installation jobs?
What is FastTrack?
How do I qualify for FastTrack?
What do I get from FastTrack?
What is included in the FastTrack service?
How long is the guarantee on an FastTrack installation?
How do I pay for my FastTrack installation?
Guarantee vs Warranty
How many colours is the EasyControl available in?
If I remove EasyControl from the wall (e.g. for renovation work) how long will its settings be kept?
We’ve had a power cut. Does that affect EasyControl?
The thermostat updates automatically. Can I turn this off?
Do I have to subscribe to a service to be able to use the EasyControl?
I'm moving house and want to take my EasyControl with me. Can I install it in a new property?
How do I log out and create a personalised Bosch ID account?
How do I reset my EasyControl password?
What are the advantages and disadvantages of the different types of heat pumps?
For how long will my device get security updates?
The MyWorcester App has now been retired and is no longer available, please download our new app.