
Viessmann
Viessmann Pressure Switch 7822787
Pressure switch for Viessmann Vitodens 100, WB1A and WB2A boilers with build dates from 14.01.2005 to 23.03.2005.
At a glance
- Also known as 2320468
£69.01
£57.51 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
A pressure switch for Viessmann gas boilers, supplied under part number 7822787. It is listed for Vitodens 100 and WB1A/WB2A models built between 14 January 2005 and 23 March 2005. The switch is part of the boiler's safety and proving circuit, allowing the appliance to prove correct operating conditions before and during burner operation.
Signs this part needs replacing
- Boiler locks out or fails to fire on a call for heat
- A fault code relating to the fan or pressure switch appears
- Ignition is intermittent or the burner drops out shortly after lighting
- Heating or hot water is unavailable while other components test correctly
Before you order
- Confirm the appliance model from the data badge
- Check the boiler build date falls between 14.01.2005 and 23.03.2005
- Match the existing part number against 7822787
- Where a serial number is listed in the fitment data, confirm it against the appliance data badge
Compliance
| Alternative numbers | 2320468 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 100 SYSTEM 24KW | — | — | — | |
| VIESSMANN VITODENS 100 SYSTEM BOILER 24KW SERIAL No. 7179918 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 24KW | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 24KW SERIAL No. 7179917 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 30KW | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 30KW SERIAL No. 7179916 | 47-819-05 | 47-819-05 | — | — |
| VIESSMANN VITODENS WB2A COMBI 26KW | — | — | — | |
| VIESSMANN VITODENS WB2A COMBI 26KW SERIAL No. 7176541 | 47-819-06 | 47-819-06 | — | — |
| VIESSMANN VITODENS WB2A SYSTEM 26KW | — | — | — | |
| VIESSMANN VITODENS WB2A SYSTEM 26KW SERIAL No. 7176543 | 41-819-11 | 41-819-11 | — | — |
Documents & drawings
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