Vaillant
Vaillant Pump 0020175872
Circulation pump, part 0020175872, for Vaillant VWL 85/2 A and VWL 115/2 A 230V Arotherm heat pumps.
At a glance
- Part type: circulation pump
- Appliance family: Arotherm VWL air source heat pumps
- Also known as 1386380
£333.46
£277.88 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 Vaillant 0020175872 is a circulation pump used in the VWL range of Arotherm air source heat pumps. It moves water around the primary circuit, maintaining flow through the appliance and the connected heating system. It is supplied as a single pump assembly for the models listed below.
Signs this part needs replacing
- The pump runs but the circuit does not reach temperature, or flow is noticeably weak
- Grinding, humming or rattling noise from the pump body during operation
- The appliance locks out or reports a circulation or flow-related fault
- Water weeping from the pump housing, seals or connections
- The pump is silent and unresponsive when the appliance calls for heat
Before you order
- Confirm your appliance model against the fit list above, as the pump is specific to the VWL 85/2 A and 115/2 A 230V variants
- Check the part number on the existing pump or in the manufacturer's parts list for your appliance
- Verify the pump electrical supply and connection arrangement match the appliance before fitting
- Isolate the power and water supply, and drain down as required, before removing the old pump
Compliance
| Alternative numbers | 1386380 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 115/2 A 230V | — | — | — | |
| VAILLANT VWL 85/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 115/2 A 230V (2013) | — | — | — | |
| VAILLANT aroTHERM VWL 85/2 A 230V (2013) | — | — | — |
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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