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Fault Finding Codes
Fault finding codes for the hxi range
Fault finding codes for the hxi range Codes Description F1 Ignition fault F2 Fan F3 Fan unable to reach ignition speed F4 Ignition fault F5 Overheat Fault F6 Central heating flow thermistor F7 Domestic hot water thermistor F8 Tank thermistor (N/A For this appliance) F9 Earlier models only (please contact GW technical department for further information) F10 Central return flow thermistor F11 Main board connection fault F12 Connection fault between main pcb and display pcb F13 Main pcb connection...
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The secret is out… the Mystery Trip is back!
Published 12-11-2019 After the success of the re-launch of the infamous Glow-worm Mystery Trip this year, we are excited to announce that the Mystery Trip will be back in 2021. With a new destination and more opportunities to secure your space, we’re offering more fun than ever before! As we are so excited about the 2021 trip, we are giving you even more chances to secure your spot on the trip of a lifetime. Over the next two months we are counting any boilers registered towards your 2020 targe...
Gas Safe Registered Boiler and Heating Engineers in Poole
Boiler maintenance, repairs and new boiler installations in Poole
Whether you need help with repairs, emergency servicing or installing a new boiler, our experienced heating engineer team from the Poole area are here to help! Get in touch with us to receive Glow-worm’s expert advice and a no-obligation quote to find the best solution for your hot water and heating requirements.Boiler servicing, repairs and maintenance in Poole
Our reliable network of Gas Safe Registered heati...Installer Technical Help
Technical help form If you need an technical support, please fill in the form and explain what you would like assistance with. Once you have submitted your query, a member of our team will be in touch.
Fault Finding Codes
Fault finding codes for the Ultracom₂ 35 store
Fault finding codes for the Ultracom₂ 35 store Codes Description F00 Flow heating temperature sensor fault F01 Return heating temperature sensor fault F02 Hot water temperature sensor fault F03 Storage tank temperature sensor fault F10 Flow heating temperature sensor fault F11 Return heating temperature sensor fault F12 Hot water temperature sensor fault F13 Storage tank temperature sensor fault F20 Overheating fault F22 Low water pressure F23 Water circulation fault F24 Water circulation fault...
Link any of our current boiler range with the MiGo Link Internet Gateway and Glow-worm control for easy access to the MiGo Link app. This allows homeowners to easily manage their heating and hot water on the go, and via their Amazon Alexa or Apple HomeKit smart home assistant The MiGo Link Internet Gateway works with all of our boilers from 2006 onwards* and allows homeowners to monitor their heating systems’ energy consumption directly through the MiGo Link app when paired with a compatible co...
Gas Safe Registered Boiler and Heating Engineers in Brixham
All Glow-worm Club Energy approved installers have a wealth of experience with boiler maintenance, repairs and new boiler installations in the Brixham area. Get in touch with us to receive Glow-worm’s expert advice and a no-obligation quote to find the best solution for your hot water and heating requirements.
Boiler servicing, repairs and maintenance in Brixham
Regular boiler maintenance is an important step in ensuring that your heating system always delivers high efficiency and to...Gas Safe Registered Boiler and Heating Engineers in Cardiff
Get in touch to arrange a reliable and timely boiler service for your Cardiff property with Glow-worm Club Energy approved boiler engineers. Whether you are looking for recommendations on replacing your current boiler, carrying out regular boiler maintenance or emergency hot water or heating repairs, our friendly engineers are here to help.
Boiler servicing, repairs and maintenance in Cardiff
Our network of Gas Safe Registered heating specialists in Wales can service your boiler if y...Fault Finding Codes
Fault finding codes for the Ultracom cx range
Fault finding codes for the Ultracom cx range Codes Description F1 Ignition fault F3 Fan unable to reach ignition speed F4 Ignition fault F5 Overheat Fault F6 Central heating flow thermistor F9 Water pressure sensor fault, blocked flow filter or pump fault F10 Central return flow thermistor F11 Main board connection fault F13 PCB memory or sensing fault F14 Gas valve control defective F15 E-bus voltage failure F22 Low water pressure or ignition temperature rise too slow F25 Circulation fault F4...
How to comply with Boiler Plus
MiGo personal heating assistant MiGo is the smart thermostat and app specifically developed to work with Glow-worm boilers. It can control your heating and hot water from a smartphone device (available on iOS and Android) wherever you are and whenever you require it. It ticks the Boiler Plus box for smart controls, load and weather compensation. Climapro2 RF control Climapro2 is Glow-worm’s most advanced wireless programmable room thermostat. Central heating and hot water can be simply programm...
Fault Finding Codes
Fault finding codes for the Ultracom hxi range
Fault finding codes for the Ultracom hxi range Codes Description F1 Ignition fault F3 Fan unable to reach ignition speed F4 Ignition fault F5 Overheat Fault F6 Central heating flow thermistor F9 Water pressure sensor fault, blocked flow filter or pump fault F10 Central return flow thermistor F11 Main board connection fault F13 PCB memory or sensing fault F14 Gas valve control defective F15 E-bus voltage failure F22 Low water pressure or ignition temperature rise too slow F25 Circulation fault F...
Fault Finding Codes
Fault finding codes for the Ultracom₂ sxi range
Fault finding codes for the Ultracom₂ sxi range Codes Description 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 Low water pressure F23 Water circulation fault F24 Water circulation fault F26 Fault in gas valve F27 Flame detection fault F28 Ignition fault F29 Loss of flame during operation F32 Incorrect air pressure F49 EBUS voltage fault F61 Fau...
Gas Safe Registered Boiler and Heating Engineers in Barnsley
Whether you are looking for recommendations on upgrading your boiler, carrying out annual boiler maintenance or emergency repairs, our friendly engineers can help take care of your heating system to ensure your Barnsley home is toasty all winter long. All local heating engineers are Gas Safe registered and experienced with our wide range of boilers - enquire today and receive a quote.
Boiler servicing, repairs and maintenance in Barnsley
Timely boiler maintenance is crucial to ensure...Glow-worm legacy product ranges
We’re proud of our British heritage and have 90 years of expertise in developing and manufacturing heating products here in the UK.
Some of our legacy products are still being used to provide heating and hot water in homes across the country. From combi boilers to controls, or system boilers to cylinder ranges, if you need any information on our legacy product ranges we have added a range of useful information below. If you require any additional information, please contact us on 0345 602 2922.
Discontinued literature
Search for any legacy documents including manuals and brochures by selecting the lett...GLOW-WORM – Socials Giveaway
VAILLANT GROUP UK LIMITED (Glow-worm)
1.1 Subject to clauses 1.2, 1.3, 1.4 and 1.5 below, the opportunity to win the prizes detailed at clause 3 (Prize) is open to applicants, over the age of 18 years, who are resident in mainland United Kingdom (Promotion). For the avoidance of doubt, mainland United Kingdom includes Northern Ireland and excludes, without limitation, the Channel Islands and/or Isle of Man (Territory) (Applicant, and the term Applicants shall be interpreted accordingly). 1.2 The Promotion is not open to any Applica...
Drum Hill Scout Camp Boiler Donation
Glow-worm is delighted to support the continued improvement of facilities at Drum Hill Scout Camp with the donation of a new boiler. The boiler is for the leaders’ hut at the site in Little Eaton that is the county campsite for Derbyshire Scouts. Camp Hill has been welcoming groups to the 80-acre site since 1927 and has been a feature of life for many local families. Generations have used the woodlands and camping fields to explore a range of activities and many have enjoyed overnight stays in ...
Combi Boilers by Glow-worm
High-Efficiency Combi Boilers for Every Home
Combi boilers are one of the most popular types of boilers on the market. They're incredibly compact and energy-efficient, delivering high performance heating and hot water almost instantly. When you choose a Glow-worm combi boiler, you’re choosing the best for your home, and your family. We are a trusted manufacturer of high-efficiency combi and condensing boilers. In fact, we developed the technology for the very first mass-produced condensing combi boiler in the 1990s, so you know you’re in ...
Boiler Controls
Our innovative collection of thermostats and sensors gives you complete control over the temperature in your home. Glow-worm’s programmable room control technology provides users with comprehensive yet easy-to-master home control systems. This enables our customers to achieve their exact preferred temperature in a quick and straightforward way. Whether you want your heating to adjust according to the weather or you’re looking to heat each room at a different time, we offer a wide selection of d...
For fitting ten Glow-worm Energy or Compact boilers purchased at a Wolseley branch, we’ll give you £500 cashback! Simply activate the promotion in your Club Energy account from the 1st May 2023 and start registering eligible products, it’s as easy as that. Once the promotion ends, you’ll be credited with £500 in your Club Energy account, where you can spend it on vouchers, services or even withdraw it as a business cheque. With the extra money in the bank, you’ll be able to take care of some bi...
Gas Safe Registered Boiler and Heating Engineers in Peterborough
Boiler maintenance, repairs and new boiler installations in Peterborough
Glow-worm supplies and installs energy-efficient and reliable boilers for Peterborough homes. In addition to replacing boilers, our heating engineers can carry out annual maintenance and various repairs to keep your heating system working as efficiently as possible - find your local engineer today.Boiler servicing, repairs and maintenance in Peterborough
Regular boiler maintenance is an important step in...Gas Safe Registered Boiler and Heating Engineers in Leeds
Boiler maintenance, repairs and new boiler installations in Leeds
Whether you need help with repairs, emergency servicing or installing a new boiler, our experienced heating engineer team from Leeds and the surrounding areas are here to help! Get in touch with us to receive Glow-worm’s expert advice and a no-obligation quote to find the best solution for your hot water and heating requirements.Boiler servicing, repairs and maintenance in Leeds
Timely boiler maintenance is cru...Mystery Trip destination revealed
After months of speculation, Glow-worm has revealed the destination of its 2020 mystery trip – Ho Chi Minh City (formerly Saigon), Vietnam. With 80 pairs of tickets up for grabs, installers can secure a space on the plane for themselves and their plus-ones by hitting their personalised target of Glow-worm installations via Club Energy. Guests on the all-expenses paid trip will be treated to a stay at five-star hotel, Caravelle Saigon. Famous for its rooftop bar, the historic ‘Saigon Saigon’, th...