Viessmann
Viessmann Fixed High Limit 7825490
Fixed high limit thermostat rated 99°C for Viessmann Vitodens 100-W, 200-W and 222-F gas boilers.
At a glance
- Also known as 2320064
£36.97
£30.81 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 Viessmann 7825490 is a fixed high limit thermostat rated at 210°F / 99°C. It is a safety device used on Viessmann Vitodens gas boilers, interrupting burner operation if the water temperature reaches the set limit. It is listed as applicable from 20.06.2007.
Signs this part needs replacing
- Boiler locks out or fails to fire
- Repeated overheat lockouts requiring manual reset
- Overheat fault code shown on the boiler display
- Burner cuts out before the boiler reaches its normal operating temperature
- Thermostat does not reset after the boiler has cooled
Before you order
- Check the boiler model and serial number against the fit list above
- Confirm the existing thermostat's temperature rating matches 99°C
- Note the GC number where applicable to confirm the appliance variant
- Isolate the electrical supply before removing or fitting the thermostat
Compliance
| Alternative numbers | 2320064 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 100-W WB1A 24 SERIAL No. 7246174 | — | — | — | |
| VIESSMANN VITODENS 100-W WB1A 30 SERIAL No. 7246175 | — | — | — | |
| VIESSMANN VITODENS 100-W WB1B 26 KW COMBI SERIAL No. 7373061 | 47-819-12 | 47-819-12 | — | — |
| VIESSMANN VITODENS 100-W WB1B 26 KW SYSTEM SERIAL No. 7373060 | — | — | — | |
| VIESSMANN VITODENS 100-W WB1B 26 SERIAL No. 7374861 | — | — | — | |
| VIESSMANN VITODENS 100-W WB1B 30 KW COMBI SERIAL No. 7373063 | 47-819-13 | 47-819-13 | — | — |
| VIESSMANN VITODENS 100-W WB1B 30 KW SYSTEM SERIAL No. 7373062 | — | — | — | |
| VIESSMANN VITODENS 100-W WB1B 35 KW COMBI SERIAL No. 7373065 | 47-819-14 | 47-819-14 | — | — |
| VIESSMANN VITODENS 100-W WB1B 35 KW SYSTEM SERIAL No. 7373064 | 41-819-20 | 41-819-20 | — | — |
| VIESSMANN VITODENS 100-W WB1B 35 SERIAL No. 7374862 | — | — | — |
Showing 10 of 34 compatible appliances.
Documents & drawings
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