Viessmann
Viessmann Hydraulic Combi GB 7837240
Viessmann hydraulic combi assembly, part number 7837240, for Vitodens 100-W combi boilers.
At a glance
- Appliance family: Vitodens 100-W combi
- Also known as 2321310, N8283
£535.76
£446.47 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 Hydraulic Combi GB is a hydraulic assembly used in Vitodens 100-W combi boilers. It forms part of the boiler's water circuit, handling the flow and switching functions within the combi hydraulic section. This part carries the Viessmann part number 7837240.
Signs this part needs replacing
- Water leaking from the hydraulic block or its seals
- Loss of domestic hot water or erratic hot water delivery
- Diverter or flow-related faults logged on the boiler
- Visible scale, corrosion or cracking on the hydraulic body
- Pressure loss on the heating circuit with no other obvious cause
Before you order
- Confirm the boiler model and output match one of the fit lines above
- Check the appliance serial number against the listed serial numbers
- Inspect the existing hydraulic assembly for the fault before removal
- Verify any associated seals and connections required for the swap
Compliance
| Alternative numbers | 2321310, N8283 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 100-W BPJA 25 KW COMBI SERIAL No. 7501297 | 47-819-26 | 47-819-26 | — | — |
| VIESSMANN VITODENS 100-W BPJA 29 KW COMBI SERIAL No. 7501298 | 47-819-27 | 47-819-27 | — | — |
| VIESSMANN VITODENS WB1C 100-W 26KW COMBI SERIAL No. 7499425 | 47-819-20 | 47-819-20 | — | — |
| VIESSMANN VITODENS WB1C 100-W 30 KW COMBI SERIAL No. 7499427 | 47-819-21 | 47-819-21 | — | — |
| VIESSMANN VITODENS WB1C 100-W 30KW GB COMBI SERIAL No. 7441745 | 47-819-21 | 47-819-21 | — | — |
| VIESSMANN VITODENS WB1C 100-W 35 KW COMBI SERIAL No. 7499429 | 47-819-22 | 47-819-22 | — | — |
Documents & drawings
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