
Glow-worm
Glow-worm Circulation Pump 0020086335
Glow-worm circulation pump, part number 0020086335, for Envirosorb air/water heat pump appliances.
At a glance
- Also known as 1340053
£587.09
£489.24 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 0020086335 is a circulation pump used in Glow-worm Envirosorb air/water heat pump appliances. It moves water around the heating circuit, maintaining flow through the system during operation. It is a serviceable component supplied as a single pump assembly.
Signs this part needs replacing
- The pump runs but the circuit shows little or no flow, with heating performance dropping off.
- Grinding, humming or rattling noises coming from the pump body during operation.
- The pump fails to start when the appliance calls for heat.
- Water weeping or staining around the pump housing or its connections.
- The appliance locks out or reports a flow-related fault.
Before you order
- Confirm the appliance model against the fit list above.
- Check the part number on the existing pump matches 0020086335.
- Verify the pump's electrical supply and connections before removal.
- Isolate the appliance and drain down as required before fitting.
Compliance
| Alternative numbers | 1340053 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| GLOWWORM ENVIROSORB 10 AIR/WATER HEAT PUMP | — | — | — | |
| GLOWWORM ENVIROSORB 8 AIR/WATER HEAT PUMP | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
