Glow-worm Boilers
Manufacturers of gas boilers and solar products
Since 1934 Glow-worm has been a trusted British producer of home heating solutions. Now part of the Vaillant Group Glow-worm continues from strength to strength as a leading supplier of reliable, easy to use and simple to install boilers.
Glow-worm
Nottingham Road
Belper
Derbyshire
DE56 1JT
Tel: 01773 828100
Current Glow-worm Products
- Combi Gas Boilers.
- Open Vent Boilers.
- System Boilers
- Solar Hot Water Products.
Glow-worm are a household name and aim to 'keep things simple' by manufacturing highly efficient boilers and solar hot water heating products that meet or exceed the stringent regulations laid down in 'Part L' of the building regulations (Part J in Scotland). .
British Gas Boilers
Get 1/3 off our boiler & standard installation prices*
Call by 30th September 2010 to get an extra £100 off
| British Gas offers | |
|---|---|
![]() |
1/3 off boilers and standard installation* |
![]() |
1 Year's Free HomeCare 100™ included worth £156 |
![]() |
£100 off the price of a new boiler |
![]() |
£300 Warmfront Discount for Over 60s |
Total Savings up to £556 |
|
Thinking of installing a new boiler? Maybe new radiators too? Come to British Gas. We'll make sure you enjoy all the same great quality and service you'd expect but now for a third of the cost.
An experienced local Heating Adviser will visit you to assess all your heating and hot water needs. They'll recommend which of the well-known boiler brands in our range is right for you and your home. You can then get the best energy-efficient boiler installed, now for a fraction of the cost.

0800 327 7119
* Excludes certain boiler types. Third off prices compared to our national prices as at 1st May 2010.
Glow-worm Open Vent (Heat Only) Boilers
Glowworm Flexicom 15HX
| Model | 15 HX |
|---|---|
| Fuel Type | Natural Gas |
| Boiler Type | Regular Condensing |
| Output to CH and HW (kW) | 9.5-15.0 |
| NOx Class (5 = Best) | 5 |
| Efficiency Rating | 90.5% |
Why Use Glow-worm Boilers?
After sales service is provided by a team of Gas Safe registered service engineers (over 200) and a call centre open 7 days a week 364 days a year. The call centre can help with technical queries over the phone and will despatch an engineer should it deem necessary.
Every engineer carries over 1,500 spare parts in their van and achieve a 95% first time fix rate. Glow-worm products are popular with installers and specifiers due to their simple installation which keeps costs to a minimum.

90.5%