All FAQs

Can I use artificially softened water in the heating circuit with my boiler?
Can a Greenstar Oil boiler be used with the existing conventional flue?
What can cause an oil boilers burner to lockout?
Do I need an additional room thermostat or timer to use the Wave?
What ventilation do I need?
How efficient are air source heat pumps?
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 is ErP?
What is Energy Labelling?
How will ErP affect me and my business?
How will ErP benefit me and my business?
Under ErP, what about systems that contain different products?
How do controls affect ErP?
As an installer, am I required to print the efficiency label? Or am I required to make a label and send it out?
Can you advise where to find and learn more on how to calculate and provide an ErP label?
What if I install a system with a programmer or other non-Worcester components? Will I still be able to use the Worcester ErP online tool?
Why is it necessary when we already have an appliance label and a home Energy Performance Certificate both of which are based on the well understood A-G scale?
Can I use plastic pipework on oil fired sealed central heating systems?
My new Greenstar oil boiler's flue overheat thermostat keeps tripping out
What size oil supply pipe does an oil boiler need?
Which programmers are compatible with my gas boiler?
Can I put flue elbows straight on top of the boiler?
Do I need a standoff kit to pipe up the back of your boilers?
Why is the boiler blowing fuses?
Why is the pump running constantly on a Greenstar CDi boiler?
Where can I find the FD (serial) number on a Greenstar boiler?
Can I fit your controls to an external oil boiler?
Can I run boiler flues outside?
Does an external condensate pipe have to be insulated?
Can I use third party controls with your boilers?
Why is the controller on a combi boiler twin channel?
Do Worcester room controls have a one hour boost button?
Do I remove the link wire in the boiler when fitting a Worcester control?
Can I use Worcester controls on multiple zones?
Which connector block do I use on a Greenstar boiler when wiring a Wave smart internet connected controller?
Can I use Worcester controls with a system boiler?
I have a discontinued DT20RF. Can I still get a replacement if anything goes wrong?
How much is the Wave app?
Where is the best place to install the Wave in the home?
What happens if I lose my internet connection to Wave?
Does the Wave switch between British summer and winter time automatically?
Can I use the Wave to control more than one zone e.g. more than one heating zone?
How many smart devices can be linked to the Wave and which one does the Wave listen to?
How does a heat pump work?
With a ground source heat pump, how is energy collected from the ground?
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?
I am installing a GB162 boiler what size flue do I need to use?
Is the GB162 flue system suitable to be ran externally?
Do I have to use the GB162 pump group or can I fit my own pump on the system?
Does the Heat Interface Unit require a permanent live?
Does the Heat Interface Unit require a flue to be fitted?
Can I use a secondary return with the Greenspring water heater?
I am installing a GB162 can I used external 240vac controls to operate the boiler?
Can I use a BMS system with a 0 - 10 volt signal to control the GB162?
Can I fit your solar compatible unvented cylinder and fit solar panels at a later date?
Why has the Greenstore cylinder inlet control group changed colour? It was red but now it’s blue.
Can I use Worcester unvented cylinders on a vented system?
Can I use a secondary return with Worcester cylinders?
How many immersion heaters do you have in your cylinders?
What are the kW outputs of the coils inside Worcester cylinders?
Have you got more information on how to wire controls to your range of Greenstar gas boilers?
How do I re-route a condensate pipe to reduce the external run?
How long does it take for my order to arrive?
What is your return policy for items I have ordered?
Can I exchange my items for different ones?
How will I be booked on to a training course?
What happens if I forget my Greenstar Rewards account password?
What is the points system?
Which products are eligible to claim points?
Why are my points not appearing for a product I have registered?
Is an external air break required when a condensate pipe is terminated into a rainwater downspout?
Top tips commissioning a Greenstar Danesmoor oil boiler
Are there any eligibility requirements to apply for an apprenticeship?
Where will I be based?
Will any of my expenses, such as travel, be covered?
When should I apply for an apprenticeship?
What will happen at the end of my apprenticeship?
I have a great idea for the app, who do I talk to?
I don't want to use a particular feature of the app. Will this cause a problem?
Does my WAI/Rewards login already work with the app?
How do I give my engineers access?
I can't see my website registrations in the app, what should I do?
How many colours is the EasyControl available in?