Viessmann
Viessmann Sensor 3 Boiler 7835112
Viessmann Sensor 3 (7835112) for Vitodens 200-W B2HA and B2HB boilers, covering 45 to 150 kW models.
At a glance
- Appliance family: Vitodens 200-W
- Also known as 2321522
£87.19
£72.66 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 the Viessmann Sensor 3, listed under part number 7835112 and referenced against the B2HX 45-150 range. It is a temperature sensor used on Vitodens 200-W B2HA and B2HB boilers, where it feeds temperature information back to the boiler control. The part is supplied by Viessmann as a sensor assembly for this appliance family.
Signs this part needs replacing
- Boiler locks out or shows a sensor-related fault code
- Temperature readings from the boiler are inaccurate or unstable
- Flow or domestic hot water temperature fluctuates without a change in demand
- Boiler operation becomes intermittent as the control receives inconsistent sensor data
Before you order
- Confirm the appliance model and serial number against the fits list above
- Identify the sensor position on the appliance and confirm Sensor 3 is the component being replaced
- Check the part number marked on the existing sensor before ordering
Compliance
| Alternative numbers | 2321522 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200-W B2HA 100 SERIAL No. 7510834 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 100 SERIAL No. 7554707 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 112 SERIAL No. 7510835 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 150 SERIAL No. 7510836 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 45 SERIAL No. 7510831 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 60 SERIAL No. 7510832 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 80 SERIAL No. 7510833 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 80 SERIAL No. 7554705 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA 88 SERIAL No. 7554706 | — | — | — | |
| VIESSMANN VITODENS 200-W B2HA, 120 AND 150 KW SERIAL No. 7506551 | 41-819-62 | 41-819-62 | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
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