Viessmann
Viessmann Diverting Valve 7819877
Viessmann 3/2-way diverting valve, part number 7819877, for Vitodens 200 WB2 and WB2A appliances.
At a glance
- Appliance family: Vitodens 200 WB2 and WB2A
- Also known as 2321654
£137.90
£114.92 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 diverting valve is a Viessmann hydraulic component supplied under part number 7819877. It is a 3/2-way diverter valve used in the Vitodens 200 WB2 and WB2A appliance family. Its function is to route heating water between the central heating circuit and the domestic hot water circuit within the boiler.
Signs this part needs replacing
- Domestic hot water runs hot and cold, or heating warms when only hot water is demanded
- Boiler fails to switch between heating and hot water modes
- Diverter valve body or actuator shows signs of scale, corrosion or leakage
- Fault code or diagnostic message relating to the diverter valve on the appliance display
- Reduced hot water output or prolonged delays before hot water is delivered
Before you order
- Confirm the appliance model matches one of the listed Vitodens 200 WB2 or WB2A variants
- Check the appliance serial number against the fitment list
- Confirm the existing valve is a 3/2-way type and that part number 7819877 is correct for the installation
- Inspect the surrounding hydraulic components for scale or debris before fitting
Compliance
| Alternative numbers | 2321654 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 200 WB2 6-24 SERIAL No. 7167064 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 6-24C SERIAL No. 7167063 | — | — | — | |
| VIESSMANN VITODENS 200 WB2 8-32 SERIAL No. 7167065 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 6-24 SERIAL No. 7170318 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 6-24C SERIAL No. 7170317 | — | — | — | |
| VIESSMANN VITODENS 200 WB2A 8-32 SERIAL No. 7170319 | — | — | — |
Documents & drawings
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