Glow-worm
Glow-worm Hydroblock 0010028774
Hydroblock 0010028774 for Glow-worm Compact and Micracom combi boilers, managing water flow through the appliance.
At a glance
- Appliance family: Compact and Micracom combi boilers
- Also known as 8926034
£61.75
£51.46 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Hydroblock is a hydraulic assembly fitted to Glow-worm Compact and Micracom combi boilers, supplied under part number 0010028774. It carries and controls the water circuits within the appliance, serving both the heating and domestic hot water sides of the boiler. It is a serviceable component on these ranges.
Signs this part needs replacing
- Water weeping or visible leaks from the hydroblock body or its connections
- Loss of domestic hot water, or hot water that runs intermittently
- The boiler failing to switch cleanly between heating and hot water modes
- System pressure dropping repeatedly with no leak found elsewhere on the installation
- Fault codes or lockouts traced to the hydraulic assembly
Before you order
- Confirm your boiler model against the fit list above
- Check the GC number on the appliance data badge where applicable
- Match part number 0010028774 against the marking on the existing component
- Confirm whether your appliance is the standard or P variant
Compliance
| Alternative numbers | 8926034 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM COMPACT 24C | — | — | — | |
| GLOWWORM COMPACT 24C P | — | — | — | |
| GLOWWORM COMPACT 28C | — | — | — | |
| GLOWWORM COMPACT 28C P | — | — | — | |
| GLOWWORM MICRACOM 24C | 47-019-58 | 47-019-58 | — | — |
| GLOWWORM MICRACOM 28C | 47-019-59 | 47-019-59 | — | — |
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.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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