Glowworm

For nearly 90 years, Glow-worm has been building robust, dependable and highly efficient boilers and controls to provide British families with the warmth and hot water they require, when they require it. Our products are designed for homes that are meant to be lived in rather than just looked at. We provide that warm glow that keeps everyone glowing, whether it’s a hot shower after football practise or toasty socks straight off the radiator.

We are proud of our British heritage, having begun producing boilers in 1934 at the Derwent Foundry in Derbyshire, where we still reside today in the lively town of Belper. We devote all of our efforts to assisting British heating engineers in remaining glowing so that they can keep Britain’s homes glowing. This drive has propelled us to the top of the heating manufacturing industry in the UK today.

To honour our proud British heritage, we have recently been awarded the ‘Made in Britain’ label on our Energy, Ultimate, and Easicom boiler lines. Made in Britain is an officially registered trademark that unites the British manufacturing community. It is a non-profit organisation that assists in the identification and certification of British-made products.

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    8737709142 PCB Worcester Greenstar 8000 Life GR8300IW 35C
    Worcester Greenstar 8000 Life GR8300IW 35C expansion vessel 8737709142
    1 X Original price was: £189.99.Current price is: £124.99. = £104.16 (ex. VAT)
    Main Expansion Vessel 8L 5114691
    Main Boiler Expansion Vessel 8L 5114691
    1 X Original price was: £43.99.Current price is: £37.99. = £31.66 (ex. VAT)
    BIASI RIVA COMPACT M96.24SM/C & 28 BOILER DIVERTER VALVE BI1141504
    Biasi Riva/Garda Diverter Valve BI1141504
    1 X Original price was: £70.00.Current price is: £45.99. = £38.33 (ex. VAT)
    Morco 176466 Flow Group Manifold Ebay
    Ideal Flow Group Kit 176466
    1 X Original price was: £60.00.Current price is: £32.99. = £27.49 (ex. VAT)
    Viessmann 100 WB1C 30kW 35kW Boiler Fan 7837255
    Viessmann 100 WB1C 30kW 35kW Boiler Fan 7837255
    1 X Original price was: £69.99.Current price is: £59.99. = £49.99 (ex. VAT)
    Viessmann Plate Heat Exchanger 20 Plates 7828746 7875503
    Viessmann Plate Heat Exchanger 20 Plates 7828746 7875503
    1 X Original price was: £48.99.Current price is: £42.99. = £35.83 (ex. VAT)
    Glowworm Ultracom PCB 0020023825
    Glowworm Ultracom PCB 0020023825
    1 X Original price was: £59.99.Current price is: £44.99. = £37.49 (ex. VAT)
    Viessmann Pump VIMb 12/6HE 7823868 7842218
    Viessmann Pump VIMb 12/6HE 7823868 7842218
    1 X Original price was: £79.99.Current price is: £69.99. = £58.33 (ex. VAT)
    Baxi /Potterton / Main Diverter Valve Washer Pack 248018 247745
    O-Rings for Baxi Diverter Valve 248018 247745
    1 X Original price was: £8.99.Current price is: £6.99. = £5.83 (ex. VAT)
    Worcester Oil Pump 8716120416 8716119827
    Worcester Oil Pump 8716120416 8716119827 Head-60 P/N: 59200160
    1 X Original price was: £69.99.Current price is: £54.99. = £45.83 (ex. VAT)
    Viessmann 100 WB1C Plate Heat Exchanger 20P
    Viessmann 100 WB1C Plate Heat Exchanger 20P
    1 X Original price was: £49.99.Current price is: £42.99. = £35.83 (ex. VAT)
    Expansion Vessel 181045 for Vaillant
    Vaillant Turbomax Expansion Vessel (8L) 181045
    1 X Original price was: £50.99.Current price is: £38.99. = £32.49 (ex. VAT)
    Alpha Gas Valve 1.023673
    Alpha CD Gas Valve - Dungs 1.023673
    1 X Original price was: £29.99.Current price is: £28.99. = £24.16 (ex. VAT)
    Glowworm 14Plate Heat Exchanger 0020186153
    Glowworm 14 Plate Heat Exchanger 0020186153
    1 X Original price was: £50.00.Current price is: £34.99. = £29.16 (ex. VAT)
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