| GLOWWORM LED GLOBE IN/OUTDOOR STRING LIGHTS - WARM WHITE | straight2you.co.uk | 1.49 GBP | 5.99 GBP | −75.1% |
| Glowworm 2000801169 Gas Valve | gasworldparts.com | 251.9 GBP | 396 GBP | −36.4% |
| Glow-Worm Energy 30C Erp Combi Boiler & Flue | spares-direct.com | 1348 GBP | — | — |
| Glow-Worm Energy 25C Erp Combi Boiler & Flue | spares-direct.com | 1178 GBP | — | — |
| Glow-Worm Easicom 24KW Combi Boiler & Flue | spares-direct.com | 848 GBP | — | — |
| Glowworm 417135 Fan Assembly | gasworldparts.com | 306.9 GBP | — | — |
| Glowworm 0020015126 Diverter Valve | gasworldparts.com | 297 GBP | — | — |
| GLOWWORM 2000800532 MICRON & ULTIMATE 120 FF BOILER FAN 800532 | swift-spares.co.uk | 289.99 GBP | — | — |
| Glow-worm Gas Valve G20 — Part No. S1071400 (Honeywell VK8525) | spares-direct.com | 233 GBP | — | — |
| Glow-worm Fan Assembly — Part No. S227034 (Micron 50FF/60FF | Sifan FFB1701-031) | spares-direct.com | 232 GBP | — | — |
| Glowworm 2000801380 Fan Assembly | gasworldparts.com | 222.2 GBP | — | — |
| Glow-worm Gas Valve Assembly — Part No. 2000800158 (SIT 825 NOVA) | spares-direct.com | 212 GBP | — | — |
| Glowworm 2000800015 Gas Valve | gasworldparts.com | 203.5 GBP | — | — |
| Glowworm s1047000 Printed Circuit Board | gasworldparts.com | 196.9 GBP | — | — |
| Glowworm 0020020735 Gas Section | gasworldparts.com | 196.9 GBP | — | — |
| Glowworm S900847 Printed Circuit Board | gasworldparts.com | 185.9 GBP | — | — |
| Glowworm 2000800089 Mechanical Timer | gasworldparts.com | 181.5 GBP | — | — |
| Glow-worm / Honeywell Gas Valve — Part No. V4600C1086 (1/2" 240V, Grey Push-Button) | spares-direct.com | 170 GBP | — | — |
| GlowWorm 0020097280 Gas Valve Section for GlowWorm Ultracom2 12SXI Boilers - NEW | swift-spares.co.uk | 149.99 GBP | — | — |
| Glowworm 2000801131 Timer Kit Mechanical | gasworldparts.com | 148.5 GBP | — | — |
| Glowworm S227034 Micron 50FF, 60FF Fan 227034 Sifan WFFB1701-031 - GENUINE NEW | swift-spares.co.uk | 124.99 GBP | — | — |
| GLOWWORM MICRON 60FF 70FF 80FF PRINTED CIRCUIT BOARD PCB 2000801991 WAS S227031 | nationalboilerspares.co.uk | 120.99 GBP | — | — |
| GLOWWORM ULTRACOM 2 24CXI 30CXI 35CXI PRINTED CIRCUIT BOARD PCB 0020097400 | nationalboilerspares.co.uk | 120 GBP | — | — |
| Glow-worm DHW Plate Heat Exchanger – 0020136540 (Betacom & Easicom) | spares-direct.com | 111 GBP | — | — |
| Glowworm / Saunier Duval S1024800 domestic heat exchanger | spares-direct.com | 106 GBP | — | — |
| Glowworm 2000800136 Flow Switch | gasworldparts.com | 104.5 GBP | — | — |
| Glowworm 2000801020 Ultimate/Economy SIT 830 Tandem 0830010 Gas Valve E25-264 | swift-spares.co.uk | 99.99 GBP | — | — |
| POTTERTON BOILER PLATE HEAT EXCHANGER (12 PLATES) 5138647 | nationalboilerspares.co.uk | 84.99 GBP | — | — |
| GLOWWORM MICRON 30FF 40FF 50FF BOILER PCB NEW TYPE 2000227134 WAS 227134 | nationalboilerspares.co.uk | 82.2 GBP | — | — |
| Glowworm Hideaway 100B FF 100C FF PCB New Type 2000801990 S227030 2000227134 | nationalboilerspares.co.uk | 82.2 GBP | — | — |
| Glowworm Hideaway 115B FF 115C PCB FF New Type 2000801990 S227030 2000227134 | nationalboilerspares.co.uk | 82.2 GBP | — | — |
| Glowworm Micron 30 40 50 FF Hideaway 100 B-C PCB New Type 2000801990 2000227134 | nationalboilerspares.co.uk | 82.2 GBP | — | — |
| Glow-worm Standard Horizontal Flue Kit 60/100mm – 0010031041 | spares-direct.com | 79.99 GBP | — | — |
| Glowworm Ultimate/Betacom/Easicom PCB 0020118138 | nationalboilerspares.co.uk | 66.6 GBP | — | — |
| GLOWWORM BETACOM 24 30 PRINTED CIRCUIT BOARD PCB 0020038693 | nationalboilerspares.co.uk | 62.59 GBP | — | — |
| GLOWWORM MICRON 30FF 40FF 50FF BOILER PCB 227030 | nationalboilerspares.co.uk | 59.4 GBP | — | — |
| GLOWWORM EXPRESS 80 BOILER PCB S202078 | nationalboilerspares.co.uk | 59.4 GBP | — | — |
| GLOWWORM HIDEAWAY 40FF 50FF 60FF 80FF 100FF 115FF PCB 227030 | nationalboilerspares.co.uk | 59.4 GBP | — | — |
| GLOWWORM FUELSAVER 35F 45F 55F 65F 80F 100F BOILER PCB 202052 | nationalboilerspares.co.uk | 54 GBP | — | — |
| Glowworm 2000800150 Water Pressure Switch | gasworldparts.com | 53.9 GBP | — | — |