
Vaillant
Vaillant Pump 10034350
Vaillant pump 10034350 for Arotherm Plus/6 air-to-water heat pumps, listed for VWL 35, 55, 65 and 75 230 V models.
At a glance
- Also known as 1389042
£331.20
£276.00 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
This is a pump supplied by Vaillant under part number 10034350 for the Arotherm Plus/6 family of air-to-water heat pumps. It forms part of the appliance's water circuit, moving water through the unit and around the heating system.
Signs this part needs replacing
- Grinding, humming or rattling from the pump body during operation
- Reduced heating output or poor circulation to the emitters
- The pump not running when there is a call for heat
- Circulation-related fault indication on the appliance display
- Weeping or leaks from the pump housing or its connections
Before you order
- Check the appliance data plate and confirm the model matches one of the fit lines above
- Confirm the existing pump carries part number 10034350
- Note the pump wiring, orientation and water connections before removal
- Isolate the electrical supply and drain or isolate the water circuit before fitting
Compliance
| Alternative numbers | 1389042 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM PLUS /6 VWL 35/6 A 230V S2 (2020-2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 35/6 A 230V S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 35/6 A 230V S2 R2 (2023) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 55/6 A 230V S2 (2020-2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 55/6 A 230V S2 R1 (2022) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 55/6 A 230V S2 R2 (2023) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 65/6 A 230V S2 R2 (2023) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 75/6 A 230V S2 (2020-2023) | — | — | — | |
| VAILLANT aroTHERM PLUS /6 VWL 75/6 A 230V S2 R2 (2023) | — | — | — |
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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