Vaillant
Vaillant Temperature Limiter 0020266436
Vaillant 0020266436 temperature limiter for Arotherm 5/5 VWL AS 230V S2 heat pumps.
At a glance
- Appliance family: Arotherm 5/5 VWL AS 230V S2 heat pumps
- Also known as 1392756
£48.49
£40.41 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 0020266436 is a temperature limiter used in Vaillant Arotherm 5/5 VWL AS 230V S2 heat pumps. It acts as a safety cut-out, interrupting the appliance's operation when the monitored temperature exceeds its set limit. It is a service component intended for fitment by a competent heating engineer.
Signs this part needs replacing
- The heat pump locks out or shuts down and will not run until the limiter is reset
- The appliance trips repeatedly on the same overheat condition after resetting
- Heating or hot water output stops with no other obvious fault present
- The limiter fails to reset, or resets with no continuity through the circuit
- Visible damage, scorching or a loose or corroded connection at the limiter
Before you order
- Confirm your appliance model against the fitment list above, including whether it is an R1 variant
- Check the part number on the existing limiter matches 0020266436
- Investigate and rectify the underlying cause of the overheat condition before fitting a replacement
- Isolation and safe electrical practice apply — this is a service part for a competent engineer
Compliance
| Alternative numbers | 1392756 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT aroTHERM 5/5 VWL 105/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 125/5 AS 230V S2 (2019) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 35/5 AS 230V S2 R1 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 55/5 AS 230V S2 R1 (2019-2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 75/5 AS 230V S2 (2022) | — | — | — | |
| VAILLANT aroTHERM 5/5 VWL 75/5 AS 230V S2 R1 (2022) | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.