
Viessmann
Viessmann Heating Flow Pipe 7837229
Viessmann heating flow pipe for Vitodens 100-W combi and system boilers.
At a glance
- Also known as 2321352
£53.08
£44.23 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 heating flow pipe HV is a Viessmann pipe assembly used on Vitodens 100-W combi and system boilers. It carries heated water from the boiler into the heating circuit. The pipe is shaped to suit the specified Vitodens 100-W models and is identified by part number 7837229.
Signs this part needs replacing
- Visible leakage or weeping at the pipe joints or along the pipe run
- Corrosion, pitting or scale build-up on the pipe surface
- Reduced heating flow rate or uneven heat output across the circuit
- Kinked, distorted or mechanically damaged pipework
- Pipework disturbed during servicing that will not reseal correctly
Before you order
- Check the boiler model and serial number against the fits list above
- Confirm the appliance is a Vitodens 100-W combi or system unit
- Verify the existing pipe part number 7837229 before removal
- Inspect associated seals and connections for condition before refitting
Compliance
| Alternative numbers | 2321352 |
|---|
| 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 30 KW COMBI SERIAL No. 7499427 | 47-819-21 | 47-819-21 | — | — |
| VIESSMANN VITODENS WB1C 100-W 30 KW SYSTEM SERIAL No. 7499426 | 41-819-28 | 41-819-28 | — | — |
| 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 | — | — |
| VIESSMANN VITODENS WB1C VITODENS 100-W 35 KW SYSTEM SERIAL No. 7499428 | 41-819-29 | 41-819-29 | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
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