Glow-worm
Glow-worm high efficiency pump 0010034156
Genuine Glow-worm high-efficiency circulation pump for the Ultimate 30C and Ultracom 2 35Store combi boilers.
At a glance
- Also known as 1388788, N9174-U
- Have a Gas Safe registered engineer carry out installation
Showing prices
£463.99
£386.66 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
Genuine Glow-worm high-efficiency circulation pump, which circulates heated water around the boiler's heating system.
Signs this part needs replacing
- Little or no heat from radiators despite the boiler firing
- Unusual humming or grinding noise from the pump
- Boiler locks out on a circulation or flow fault
- Leaking or weeping from the pump housing
Before you order
- Match part number 0010034156 printed on your existing pump
- Check whether a conversion cable and plug are needed for your installation
- Isolate the electrical supply and drain the system before removal
- Have a Gas Safe registered engineer carry out installation
Mechanical
| Part type | Pumps |
|---|
Compliance
| Barcode / EAN | 0010034156 |
|---|---|
| Alternative numbers | 1388788, N9174-U |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM BETACOM 2 24 | 47-019-16 | 47-019-16 | — | — |
| GLOWWORM BETACOM 2 28 | 47-019-17 | 47-019-17 | — | — |
| GLOWWORM BETACOM 24 A | 47-019-13 | 47-019-13 | — | — |
| GLOWWORM BETACOM 28 A | 47-019-14 | 47-019-14 | — | — |
| GLOWWORM EASICOM 24 | 47-019-18 | 47-019-18 | — | — |
| GLOWWORM EASICOM 28 | 47-019-19 | 47-019-19 | — | — |
| GLOWWORM ULTIMATE 30C | 47-044-48 | 47-044-48 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
manual
GLOWWORM appliance manual — BETACOM 2 24 (GC 47-019-16)
manualmanualGLOWWORM appliance manual — BETACOM 2 28 (GC 47-019-17)
manualmanualGLOWWORM appliance manual — BETACOM 24 A (GC 47-019-13), BETACOM 28 A (GC 47-019-14)
manualmanualGLOWWORM appliance manual — EASICOM 24 (GC 47-019-18)
manualmanualGLOWWORM appliance manual — EASICOM 28 (GC 47-019-19)
manualmanualGLOWWORM appliance manual — ULTIMATE 30C (GC 47-044-48)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.