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What is Boiler Plus?

The new Boiler Plus legislation has been designed to ensure that all households in the UK are energy efficient. Boiler Plus is the biggest piece of legislation since 2005 when the UK became the first country to become “all-condensing”. All new boilers from April 2018 must have a minimum ErP efficiency of 92% with time and temperature controls fitted if they aren't already present and working correctly. Also combi boilers, the most popular boiler type in the market require one of four additional...

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Glow-worm Guarantee Terms and Conditions

To receive the full benefits of the extended guarantee the following terms and conditions must be followed or your claim will be rejected: If your installer advises you of a boiler fault, please contact Glow-worm Service.

1. Installation and commissioning must be carried out by a Gas Safe** registered engineer, within 6 months of despatch of the boiler from Glow-worm’s warehouse. 2. All works must be fully in accordance with the installation manual and these terms and conditions. 3. The Benchmark log book must be completed by the installer at the point of installation and retained on site for inspection during an engineer’s visit. 4. The guarantee will commence from the date of installation. To validate this Glo...

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2. Repairs and Servicing
3. Guarantee

How will Boiler Plus affect me and my business?

The upcoming Boiler Plus regulations require all new boiler installations to have a minimum ErP efficiency of 92% alongside time & temperature controls. For combi boilers, one of four additional energy saving measures need to be fitted. The measures are: Load compensation Weather compensation Smart Control FGHR If you fit Glow-worm controls, this means fitting: MiGo personal heating assistant Climapro2 RF control Climapro1 control Climastat 230V room thermostat Wireless Outdoor Sensor Outdoor S...

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2. Service and Support
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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...

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2. Advice & Knowledge
3. Boiler Plus

VAILLANT GROUP UK LIMITED – GLOW-WORM AND WOLSELEY SOFTSHELL JACKET PROMOTION

TERMS & CONDITIONS 1. QUALIFICATION 1.1 Subject to clauses 1.2, 1.3, 1.4 and 1.5 below, Vaillant Group UK Limited trading as Glow-worm (Glow-worm) provides this Glow-worm Wolseley softshell jacket promotion (Promotion), which is open to applicants, over the age of 18 years, who are resident in mainland United Kingdom. For the avoidance of doubt, mainland United Kingdom excludes, without limitation, the Channel Islands, Isle of Man and/or Northern Ireland (Territory) (Applicant, and the term App...

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Don't just take our word for it...

See what our customers have got to say.

More than just a rating, Trustpilot stars signify that a company has nothing to hide, loves its customers and shares our mission to create ever-improving experiences for everyone Peter Holten Mühlmann, Founder and CEO of TrustPilot Our customers have rated their experience with Glow-worm on Trustpilot and we are pleased to announce we have been rated as excellent – 5 stars! Trustpilot is a well-known and highly respected review panel, where people visit to view product and brand related recomme...

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2. Reviews

Standards

The handling of the boiler may involve lifting, pushing and pulling, the use of a sack truck may be required. Be sure to consider the following handling techniques and precautions: Grip the appliance at its base Use safety clothing where appropriate, e.g. gloves, safety footwear. Ensure safe lifting techniques are used: Keep back straight. Avoid twisting at the waist. Avoid upper body/top heavy bending. Always grip using the palm of the hand. Use designated hand holds. Keep load as close to bod...

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VAILLANT GROUP UK LIMITED – GLOW-WORM BRIGHTON INSTALLER EVENT CREDITS

VAILLANT GROUP UK LIMITED – GLOW-WORM BRIGHTON INSTALLER EVENT CREDITS PROMOTION TERMS & CONDITIONS 1. QUALIFICATION 1.1 Subject to clauses 1.2, 1.3, 1.4 and 1.5 below, Vaillant Group UK Limited trading as Glow-worm (Glow-worm) provides this Glow-worm Brighton installer event credits promotion (Promotion), which is open to applicants, over the age of 18 years, who are resident in mainland United Kingdom. For the avoidance of doubt, mainland United Kingdom excludes, without limitation, the Chann...

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Boiler size calculator

Which Glow-worm boiler is right for your home?

We know that trying to find the right boiler for your property is a difficult thing to do, so we have designed this boiler size calculator to help you find the boiler best suited for your home. Once you have submitted a few details about your property and the amount of occupants currently living there, our calculator will give you a suggested heating appliance for your home. If you are happy with the suggestion that has been given to you, feel free to get in touch with a local installer through...

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2. Advice & Knowledge
3. Boiler size calculator

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...

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4. Subsites

Fault codes Meaning Possible cause F.00 Fault: Flow temperature sensor NTC plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness, NTC sensor defective F.01 Fault: Return temperature sensor NTC plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness, NTC sensor defective F.10 Short circuit: Flow temperature sensor NTC sensor defective, short circuit inthe cable harnes...

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2. Service and Support
3. Fault finding codes
4. Subsites

Energy Expert, Diagnostics and Fault Finding

Courses available at: All training centres Duration: 09:00 to 16:30 (with 1 hour lunch break and regular coffee breaks) Aimed at: Experienced Heating/Appliance engineers who wish to gain valuable knowledge on the Energy appliance range. Problem solving using the appliance diagnostic systems and appliance sequences. A sound knowledge of the Energy range of appliances is required. Next step training from the Commissioning and Service course. Tools required: General heating engineer tool kit, mano...

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4. Energy Expert, Diagnostics and Fault Finding

Get your Mystery Trip targets

Next year's all-expenses-paid Mystery Trip will see you glowing all the way to Vietnam. As well as experiencing the famous city and its unique culture, you'll be visiting well-known landmarks and sampling amazing local cuisine. It's a feature-packed trip that's sure to be a truly unforgettable experience. This mesmerising city offers iconic sights and amazing contrasts, from beautiful colonial-era architecture to towering skyscrapers. Walk streets bustling with energy or relax in a riverside ca...

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Smart Home

Saving energy, maximising comfort

A smart home is a home which uses a range of interconnected devices which can all be controlled by a smartphone or tablet. This type of living is designed to improve efficiency whilst improving home comforts. A smart App control for your boiler plays a part in having a smart connected home as it means your central heating and hot water can be controlled from anywhere via the internet. You can use a smart control to personalise your home to suit your individual needs. Whether you want to turn of...

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3. How different technologies work
4. Smart Homes