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Parts You Can Trust

All parts are brand new with a 12-month warranty. No used or refurbished items—just reliable quality.
💬  WhatsApp (Messages only): +44 7485 931003

Real-Time Stock

Use the search box above 🔍 to find items by brand or manufacturer part number. Stock levels are live—what you see is what’s available. GC numbers are not searchable.

DELIVERIES 
DPD aims to deliver your order the next day, but Next-Day Delivery is not guaranteed. As stated in DPD’s terms and conditions, shipping costs are non-refundable, even in the event of delays.
Home  /  Parts by Boiler Brand  /  Glowworm Gas Boiler

Glowworm Gas Boiler

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VSE.100 VAILLANT Ecomax EcoTec Plus Pro Gasket Seal 0020025929 0020038679 Glowworm 801635 0020018812
VSE.100 VAILLANT Ecomax EcoTec Plus Pro Gasket Seal 0020025929 0020038679 Glowworm 801635 0020018812
£11.00
£13.20 (inc. VAT)
DV.325 Vaillant Ecotec Plus Range 178978 Glowworm Ultracom 0020132682 0020014168 0020132683
DV.325 Vaillant Ecotec Plus Range 178978 Glowworm Ultracom 0020132682 0020014168 0020132683
£91.45
£109.74 (inc. VAT)
£119.12
DV.557 Glowworm Diverter 3 Way Valve 0020097214
DV.557 Glowworm Diverter 3 Way Valve 0020097214
£50.00
£60.00 (inc. VAT)
DV.670 Heatline D003200017 3003200017 Capriz Compact Vizo Solaris Glowworm Betacom 0020064049
DV.670 Heatline D003200017 3003200017 Capriz Compact Vizo Solaris Glowworm Betacom 0020064049
£28.56
£34.27 (inc. VAT)
DV.680 Heatline Hot Water Section D003201529 3003201529 GLOWWORM 20061611
DV.680 Heatline Hot Water Section D003201529 3003201529 GLOWWORM 20061611
£28.90
£34.68 (inc. VAT)
AP.109 HONEYWELL C6065A 1010 S202135 60084210 202135 248466 5138976 Chaffoteaux Glowworm 0.9mBar
AP.109 HONEYWELL C6065A 1010 S202135 60084210 202135 248466 5138976 Chaffoteaux Glowworm 0.9mBar
£33.39
£40.07 (inc. VAT)
EV.405 Glowworm Compact S004002563 2000801171 801171
EV.405 Glowworm Compact S004002563 2000801171 801171
£22.35
£26.82 (inc. VAT)
EV.430 Glowworm Betacom 24C 30C 0020061657 Expansion Vessel
EV.430 Glowworm Betacom 24C 30C 0020061657 Expansion Vessel
£21.79
£26.15 (inc. VAT)
EV.485G Glowworm Flexicom Micron GW SX CX FF Sxi 0020020744 2000801312 801312 Halstead 450986
EV.485G Glowworm Flexicom Micron GW SX CX FF Sxi 0020020744 2000801312 801312 Halstead 450986
£26.00
£31.20 (inc. VAT)
FA.140 Glowworm Economy Fuelsaver 417135 202004 (Compatible)
FA.140 Glowworm Economy Fuelsaver 417135 202004 (Compatible)
£26.25
£31.50 (inc. VAT)
FA.175 Thorn Apollo Ideal Excel Glowworm Energysaver LHS 4520645 130666 800876 227040 402A1233
FA.175 Thorn Apollo Ideal Excel Glowworm Energysaver LHS 4520645 130666 800876 227040 402A1233
£21.00
£25.20 (inc. VAT)
FA.584 Heatline Caprice 25 28 New Vizo 3003202165 D003202165</br>Glowworm Betacom 0020061578
FA.584 Heatline Caprice 25 28 New Vizo 3003202165 D003202165
Glowworm Betacom 0020061578
£47.78
£57.34 (inc. VAT)
FA.633 Glowworm Economy Plus 30 40 50 60 80 FF 800273 800274 800276 Compatible
FA.633 Glowworm Economy Plus 30 40 50 60 80 FF 800273 800274 800276 Compatible
£45.00
£54.00 (inc. VAT)
FA.635 Glowworm Ultimate Fan 800430 800431 800432 800421 2000800431 2000800478 800478 2000800432 CPT
FA.635 Glowworm Ultimate Fan 800430 800431 800432 800421 2000800431 2000800478 800478 2000800432 CPT
£70.00
£84.00 (inc. VAT)
FS.100 VAILLANT ECOTEC FLOW SENSOR 178988 0020014174 Glowworm 2000801910 801910
FS.100 VAILLANT ECOTEC FLOW SENSOR 178988 0020014174 Glowworm 2000801910 801910
£22.21
£26.65 (inc. VAT)
FT.200 VAILLANT ECOTEC SERVICE COCK VALVE 0020010291 GLOWWORM 0020026411
FT.200 VAILLANT ECOTEC SERVICE COCK VALVE 0020010291 GLOWWORM 0020026411
£32.00
£38.40 (inc. VAT)
GLOWWORM EDEN CB SB 18SXI 30SXI 2000801830 801830 COMPATIBLE
GLOWWORM EDEN CB SB 18SXI 30SXI 2000801830 801830 COMPATIBLE
£45.00
£54.00 (inc. VAT)
HE.245 Glowworm Heat Exchanger 2000801899 801899 (Alfa Laval)
HE.245 Glowworm Heat Exchanger 2000801899 801899 (Alfa Laval)
£32.76
£39.31 (inc. VAT)
HE.250 Biasi Glowworm Ideal Jaguar KTVJ Protherm BI1001101 S801194 173544 075460 0020043598
HE.250 Biasi Glowworm Ideal Jaguar KTVJ Protherm BI1001101 S801194 173544 075460 0020043598
£28.00
£33.60 (inc. VAT)
HE.251 Biasi Glowworm 16 Plates BI1001102 S801195 801195 BG1001102 173785 170995 173957
HE.251 Biasi Glowworm 16 Plates BI1001102 S801195 801195 BG1001102 173785 170995 173957
£33.00
£39.60 (inc. VAT)
HE.352 Glowworm Betacom 24C 30C 0020061615 0020061614
HE.352 Glowworm Betacom 24C 30C 0020061615 0020061614
£30.00
£36.00 (inc. VAT)
HE.424 Heat Exchanger Compatible with Vaillant 12 PLates Compatible Glowworm Flexicom Ultracom
HE.424 Heat Exchanger Compatible with Vaillant 12 PLates Compatible Glowworm Flexicom Ultracom
£29.61
£35.53 (inc. VAT)
HE.425 Vaillant Ecotec 0020020018 002003857 178971 178973 GLOWWORM ULTRACOM 0020014403 0020038572
HE.425 Vaillant Ecotec 0020020018 002003857 178971 178973 GLOWWORM ULTRACOM 0020014403 0020038572
£42.00
£50.40 (inc. VAT)
HW.310 V4700C 4014 Glowworm 800046
HW.310 V4700C 4014 Glowworm 800046
£180.44
£216.53 (inc. VAT)
HW.320 V4700E 1049 1064 Thorn 102235 102235POT / 151683 Glowworm 429549 2000800015 800015
HW.320 V4700E 1049 1064 Thorn 102235 102235POT / 151683 Glowworm 429549 2000800015 800015
£105.00
£126.00 (inc. VAT)
HW.405 V8600C 1020 V8600C 1053 24v Glowworm Fuelsaver 416213 203310
HW.405 V8600C 1020 V8600C 1053 24v Glowworm Fuelsaver 416213 203310
£125.90
£151.08 (inc. VAT)
HW.420 V8600N 2197 2015 2171 Glowworm Ferroli 432870 39800540 078329
HW.420 V8600N 2197 2015 2171 Glowworm Ferroli 432870 39800540 078329
£130.30
£156.36 (inc. VAT)
HW.543 VK4105G 1013 Glowworm Compact 2000801182 801182
HW.543 VK4105G 1013 Glowworm Compact 2000801182 801182
£52.50
£63.00 (inc. VAT)
HW.556 GLOWWORM SWIFTFLOW 800744 2000800744 VK4105M 2006
HW.556 GLOWWORM SWIFTFLOW 800744 2000800744 VK4105M 2006
£48.30
£57.96 (inc. VAT)
HW.713 VR4700C 4022 Baxi Solo WM Glowworm Fuelsaver 800208 2000800208
HW.713 VR4700C 4022 Baxi Solo WM Glowworm Fuelsaver 800208 2000800208
£99.75
£119.70 (inc. VAT)
IE.300 Glowworm Flexicom Sx Hx Cx Saunier Duval 0020020731 Electrode
IE.300 Glowworm Flexicom Sx Hx Cx Saunier Duval 0020020731 Electrode
£8.77
£10.52 (inc. VAT)
LW.200 Ravenheat CSI 82ET 25/20 0005PRE03010/0 Glowworm 0020038532
LW.200 Ravenheat CSI 82ET 25/20 0005PRE03010/0 Glowworm 0020038532
£9.00
£10.80 (inc. VAT)
LW.325G Glowworm Water Pressure Sensor 0020079644 WAS 0020014190 0020069021 Original
LW.325G Glowworm Water Pressure Sensor 0020079644 WAS 0020014190 0020069021 Original
£13.00
£15.60 (inc. VAT)
LW.330 Low Water Sensor Glowworm SXI CXI CI SI 23C SYSTEM 2000801911
LW.330 Low Water Sensor Glowworm SXI CXI CI SI 23C SYSTEM 2000801911
£9.98
£11.98 (inc. VAT)
MB.780 Biasi Prisma Vokera Baxi Glowworm 248619 5801191 BI1011103
MB.780 Biasi Prisma Vokera Baxi Glowworm 248619 5801191 BI1011103
£1.05
£1.26 (inc. VAT)
PC.488 S45665DD 1011 Glowworm Swiftflow 202252 S202252
PC.488 S45665DD 1011 Glowworm Swiftflow 202252 S202252
£89.25
£107.10 (inc. VAT)
PC.640 0.537.301 Icon 23T Jaguar Glowworm S1072800 </br>Herman S052002490 D004092613 6210205 1072800
PC.640 0.537.301 Icon 23T Jaguar Glowworm S1072800
Herman S052002490 D004092613 6210205 1072800
£94.40
£113.28 (inc. VAT)
PC.652 GLOWWORM BETACOM & EASYCOM 24 28 BOILER PRINTED CIRCUIT BOARD PCB 0020118138
PC.652 GLOWWORM BETACOM & EASYCOM 24 28 BOILER PRINTED CIRCUIT BOARD PCB 0020118138
£95.55
£114.66 (inc. VAT)
PC.660 Glowworm Hideway MIcron 2000801990 227030 801990
PC.660 Glowworm Hideway MIcron 2000801990 227030 801990
£141.75
£170.10 (inc. VAT)
PC.661 Glowworm Micron 200801991 801991 227031
PC.661 Glowworm Micron 200801991 801991 227031
£141.75
£170.10 (inc. VAT)
PC.662 PCB compatible with Glowworm HXI CXI 2000802731 801719
PC.662 PCB compatible with Glowworm HXI CXI 2000802731 801719
£157.50
£189.00 (inc. VAT)
PC.663 PCB compatible with Glowworm Betacom 0020061654
PC.663 PCB compatible with Glowworm Betacom 0020061654
£55.00
£66.00 (inc. VAT)
PC.664 S4562DM 1071 GLOWWORM COMPACT 75E 80E 100E 2000801391
PC.664 S4562DM 1071 GLOWWORM COMPACT 75E 80E 100E 2000801391
£89.25
£107.10 (inc. VAT)
RK.100 Repair Kit 178978 0020132682 0020132683 0020020015 Compatible with Vaillant Ecotec Glowworm
RK.100 Repair Kit 178978 0020132682 0020132683 0020020015 Compatible with Vaillant Ecotec Glowworm
£21.00
£25.20 (inc. VAT)
Rk.620 Repair Kit for Glowworm CXI & Saunier Duval S1006400
Rk.620 Repair Kit for Glowworm CXI & Saunier Duval S1006400
£31.50
£37.80 (inc. VAT)
RK.630 Glowworm Ci Cxi Si Diverter Valve Repair Kit 2000801903 801903
RK.630 Glowworm Ci Cxi Si Diverter Valve Repair Kit 2000801903 801903
£12.50
£15.00 (inc. VAT)
RK.721 Glowworm Betacom Flow Sensor Impeller Filter Restrictor 0020061630
RK.721 Glowworm Betacom Flow Sensor Impeller Filter Restrictor 0020061630
£20.00
£24.00 (inc. VAT)
RK.721 Heatline FLOW SENSOR, IMPELLOR D003201510 3003201510 3003200374 Glowworm 0020118178
RK.721 Heatline FLOW SENSOR, IMPELLOR D003201510 3003201510 3003200374 Glowworm 0020118178
£20.00
£24.00 (inc. VAT)
SI.311 0.820.020 0.820.030 Glowworm BBU Potterton Kingfisher 426766 402906
SI.311 0.820.020 0.820.030 Glowworm BBU Potterton Kingfisher 426766 402906
£63.00
£75.60 (inc. VAT)
SI.321 0.825.015 compatible with Glowworm Swiftflow 800158
SI.321 0.825.015 compatible with Glowworm Swiftflow 800158
£78.65
£94.38 (inc. VAT)
SI.410 0.830.010/020 Glowworm Potterton 800442 929337 2000801129 800125 800165 801129 909029 5107225
SI.410 0.830.010/020 Glowworm Potterton 800442 929337 2000801129 800125 800165 801129 909029 5107225
£120.00
£144.00 (inc. VAT)
SI.411 0.830.13 compatible with Glowworm Micron 2000801159 801159 801136 2000801136
SI.411 0.830.13 compatible with Glowworm Micron 2000801159 801159 801136 2000801136
£89.25
£107.10 (inc. VAT)
SI.420 0.830.035 compatible with Glowworm Hideaway 2000801590 801590
SI.420 0.830.035 compatible with Glowworm Hideaway 2000801590 801590
£72.45
£86.94 (inc. VAT)
SI.450 0.836.010/017 compatible with Glowworm Energysaver 800482 2000801288
SI.450 0.836.010/017 compatible with Glowworm Energysaver 800482 2000801288
£92.30
£110.76 (inc. VAT)
SV.180 Pressure Relief Valve Vaillant Ecotec Plus Ideal Glowworm 178985 801904 0020014173 2000801904 175413
SV.180 Pressure Relief Valve Vaillant Ecotec Plus Ideal Glowworm 178985 801904 0020014173 2000801904 175413
£5.70
£6.84 (inc. VAT)
SV.310 Worcester 24i RSF 87161424040 ZCVLV041 Glowworm 801208 2000801208
SV.310 Worcester 24i RSF 87161424040 ZCVLV041 Glowworm 801208 2000801208
£5.50
£6.60 (inc. VAT)
SV.400 Ariston Aco Ecogenus Eurocombi Genus Microgenus 573172 compatible with Glowworm Betacom
SV.400 Ariston Aco Ecogenus Eurocombi Genus Microgenus 573172 compatible with Glowworm Betacom
£15.75
£18.90 (inc. VAT)
SV.421 Vokera Glowworm 1806 R1806
SV.421 Vokera Glowworm 1806 R1806
£6.45
£7.74 (inc. VAT)
TC.400 Heat Exchanger compatible with Glowworm 200801899 801899
TC.400 Heat Exchanger compatible with Glowworm 200801899 801899
£79.99
£95.99 (inc. VAT)
TS.130 Heatline Glowworm Vokera 3003200031 8484 0020061613 Sime 6231351 0020118638
TS.130 Heatline Glowworm Vokera 3003200031 8484 0020061613 Sime 6231351 0020118638
£1.68
£2.02 (inc. VAT)
TS.465 Compatible with Glowworm Compact Swiftflow 801006 2000801006 T7335 D1024 1348
TS.465 Compatible with Glowworm Compact Swiftflow 801006 2000801006 T7335 D1024 1348
£6.20
£7.44 (inc. VAT)
TS.475 Compatible with Glowworm Compact Swiftflow Ferroli 801005 39810230 T7335 D1024 0711
TS.475 Compatible with Glowworm Compact Swiftflow Ferroli 801005 39810230 T7335 D1024 0711
£5.76
£6.91 (inc. VAT)
TS.490 Heatline D003200152 3003200152 Glowworm 0020061581 0020118646 T7335 D1123 1218
TS.490 Heatline D003200152 3003200152 Glowworm 0020061581 0020118646 T7335 D1123 1218
£6.62
£7.94 (inc. VAT)
XW.168 Washer for Glowworm Flexicom Micron GW SX CX FF Sxi 0020020744 2000801312 801312 KESTON
XW.168 Washer for Glowworm Flexicom Micron GW SX CX FF Sxi 0020020744 2000801312 801312 KESTON
£0.95
£1.14 (inc. VAT)