Glow-worm
Glow-worm Heat Exchanger 0020065721
Glow-worm heat exchanger, part 0020065721, rated at 35kW for the Flexicom 35HX gas boiler.
At a glance
- Appliance family: Flexicom 35HX
- Also known as 1338941
£971.20
£809.33 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 Glow-worm 0020065721 is a 35kW heat exchanger used in the Flexicom 35HX gas boiler. It transfers heat from the combustion gases into the boiler water circuit, forming the primary heat transfer component of the appliance. It is supplied as a single heat exchanger assembly.
Signs this part needs replacing
- Water leaking from the heat exchanger body, seals or connection points
- Kettling, banging or rumbling noises during the heating cycle
- Repeated pressure loss on the boiler gauge with no visible external leak
- Poor heating or hot water performance despite the burner firing correctly
- Visible scale, corrosion or debris build-up restricting flow through the waterways
Before you order
- Confirm the boiler model is the Flexicom 35HX and check the GC number on the appliance data badge
- Verify the kW rating of your appliance matches the 35kW rating of this heat exchanger
- Inspect the surrounding seals, pipework and connections for damage that may also need attention
- Check the manufacturer's parts list for your exact model variant before ordering
Compliance
| Alternative numbers | 1338941 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM FLEXICOM 35HX | 41-315-68 | 41-315-68 | — | — |
| GLOWWORM GLOWWORM FLEXICOM 35HX | — | — | — |
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 technical questions yet for this part.
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