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Glow-worm Boiler Guarantee

Rob Wells
By: Rob Wells
Updated: 9th December 2021

What is a Boiler warranty?

Providing your home with heating and hot water for many years to come is the least you expect of your brand new boiler, that's why it's good to know that the manufacturer will be on hand should an issue arise. That's where boiler warranties come in.

Usually lasting between 1-15 years, the length of a warranty period can give you a sense of how much the manufacturer believes in their boiler. The length of the warranty isn't the only thing you'll need to consider when comparing warranties, you'll also need to know what they cover.

If you're considering a Glow-worm boiler, use this guide to find out everything you need to know about their warranties.

Rather than a warranty, Glow-worm boilers come with a guarantee. This essentially means that they promise to fix any faults caused by the manufacturing process. This is as opposed to simply promising to have an engineer inspect the issue.

Who are Glow-worm?

Glow-worm have been producing heating and energy products for over 80 years, to become one of the leading heating manufacturers in the UK. Find out more about Glow-worm and their full range of boilers.

Standard Glow-worm guarantee

Glow-worm boilers come with 2-7 years of guarantee as standard but some models are eligible for up to 15 years of warranty through Glow-worm's Club Energy installers.

What's covered by the guarantee?

A Glow-worm guarantee covers you for the repair of any defects related to the manufacture of your Glow-worm appliance. The repair must be carried out by a Glow-worm accredited engineer and you'll be covered for parts and labour.

During the guarantee, you'll only be covered for boiler component failures, if the issue is caused by contaminated water in the system you could then be charged for the engineer's visit.

Terms and conditions

During guarantee, your Glow-worm boiler must be serviced at least 15 months after installation and at the latest within 15 months' of its last service by a Gas Safe registered engineer. If Glow-worm carry out this service, the cost isn't covered by the guarantee.

How to register your guarantee

To register your boiler guarantee with Glow-worm, simply fill in your details online via Glow-worm's website. This has to be done within 30 days of installation.

Guarantees for each Glow-worm boiler


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Boiler Model Standard Guarantee Max. Extended Guarantee
Glow-worm Combi Gas Boilers
Glow-worm betacom4 24kW Combi gas boiler 5 years
Glow-worm betacom4 30 kW Combi gas boiler 5 years
Glow-worm Easicom3 24 kW Combi Gas Boiler 3 years 5 years
Glow-worm Easicom3 28 kW Combi Gas Boiler 3 years 5 years
Glow-worm Energy 35 Store 35kW Combi Gas Boiler 7 years 15 years
Glow-worm Energy Combi 25kW Gas Boiler 7 years 15 years
Glow-worm Energy Combi 30kW Gas Boiler 7 years 15 years
Glow-worm Energy Combi 35kW Gas Boiler 7 years 15 years
Glow-worm Essential 24kW Combi Gas Boiler 3 years 7 years
Glow-worm Essential 28kW Combi Gas Boiler 3 years 7 years
Glow-worm Ultimate3 30kw Combi Gas Boiler 3 years 15 years
Glow-worm Ultimate3 35kw Combi Gas Boiler 3 years 15 years
Regular Gas Boilers
Glow-worm Energy Regular 12kW Gas Boiler 7 years 15 years
Glow-worm Energy Regular 15kW Gas Boiler 7 years 15 years
Glow-worm Energy Regular 18kW Gas Boiler 7 years 15 years
Glow-worm Energy Regular 25kW Gas Boiler 7 years 15 years
Glow-worm Ultimate3 25kW Regular Gas Boiler 5 years
Glow-worm Easicom3 25kW Regular Gas Boiler 3 years 5 years
System Gas Boilers
Glow-worm Energy System 12kW Gas Boiler 7 years 15 years
Glow-worm Energy System 15kW Gas Boiler 7 years 15 years
Glow-worm Energy System 18kW Gas Boiler 7 years 15 years
Glow-worm Energy System 25kW Gas Boiler 7 years 15 years
Glow-worm Energy System 30kW Gas Boiler 7 years 15 years
Glow-worm Ultimate3 25kW System Gas Boiler 3 years 15 years
Glow-worm Easicom3 25s System Gas Boiler 3 years 5 years

If you think a Glow-worm boiler could be the right choice for your home, send us an enquiry today and get free quotes from trusted engineers near you.

NOTE: Manufacturer warranties are subject to change so it's always advisable to take a look at their current terms and conditions and any relevant special offers.

Rob Wells

About the author

Rob Wells

Rob is another of our resident home heating experts. He manages our external partnerships, making sure you get the most up to date information.

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