Viessmann VitOpend 100 WHO spare parts
In brief
Instalpunt supplies 13 original parts for the Viessmann VitOpend 100 WHO, including temperature sensors and NTC sensors, flow sensors and flow switches, pumps. Order online.
- 13Spare parts
- 3In stock
- €15.68From
- 9Types
Looking for parts for the Viessmann VitOpend 100 WHO (boiler)? Below are all 13 original parts, grouped by part type. Choose a type to jump straight to the right table.
Quick left to the right part for the Viessmann VitOpend 100 WHO
| Part | From | Delivery |
|---|---|---|
| Ignition part Viessmann ionisation electrode 24kW | €54.95 | In stock |
| Temperature sensor Viessmann temperature sensor | €57.95 | In stock |
Prices incl. VAT, taken directly from our checkout. Below is the complete parts list for this model.
Installer or self-employed engineer? Create a business account: prices excl. VAT and invoices in your company name.
- Temperature sensors and NTC sensors 1
- Flow sensors and flow switches 1
- Pumps 1
- Heat exchangers 1
- Gas valves and gas control 1
- Diverter valves and hydroblocks 1
- Ignition and ionisation 2
- Expansion vessels 1
- Valves 2
- Other parts 2
Temperature sensors and NTC sensors for the Viessmann VitOpend 100 WHO (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann temperature sensor | 8690004 Mfr. no. 7819967 | €57.95 | In stock | View & order |
Flow sensors and flow switches for the Viessmann VitOpend 100 WHO (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann flow switch cold WB1a | 8690299 Mfr. no. 7828287 | €125.95 | Made-to-order item | View & order |
Pumps for the Viessmann VitOpend 100 WHO (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann pump motor 7874668 | 8693031 Mfr. no. 7874668 | €387.95 | Made-to-order item | View & order |
Heat exchangers for the Viessmann VitOpend 100 WHO (1) all Viessmann heat exchangers →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann plate heat exchanger Vitopend for VitOpend 100 WHO 7822799 | 8690325 Mfr. no. 7822799 | €190.95 | Made-to-order item | View & order |
Gas valves and gas control for the Viessmann VitOpend 100 WHO (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann gas valve vk4115v WB1a | 8690175 Mfr. no. 7823840 | €314.95 | Made-to-order item | View & order |
Diverter valves and hydroblocks for the Viessmann VitOpend 100 WHO (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann three-way valve | 8690012 Mfr. no. 7819877 | €181.95 | Made-to-order item | View & order |
Ignition and ionisation for the Viessmann VitOpend 100 WHO (2) all Viessmann ignition and ionisation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann ionisation electrode 24kW | 8690381 Mfr. no. 7819842 | €54.95 | In stock | View & order |
| Viessmann ignition electrode 24kW | 8690382 Mfr. no. 7823084 | €86.95 | Made-to-order item | View & order |
Expansion vessels for the Viessmann VitOpend 100 WHO (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann expansion vessel 8 litre Vitopend 100 | 8690306 Mfr. no. 7817485 | €182.95 | Made-to-order item | View & order |
Valves for the Viessmann VitOpend 100 WHO (2) all Viessmann valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann quick air vent G3/8" | 8690001 Mfr. no. 7819971 | €26.95 | In stock | View & order |
| Viessmann safety relief valve with pipe Vitopend 100 | 8690308 Mfr. no. 7823511 | €119.95 | Made-to-order item | View & order |
Other parts for the Viessmann VitOpend 100 WHO (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Viessmann sight glass for e.g. VitOpend 100 WHO 7819816 | 8690021 Mfr. no. 7819816 | €27.95 | Made-to-order item | View & order |
| Viessmann thermo/pressure gauge Vitopend 100 | 8690307 Mfr. no. 7817490 | €104.95 | Made-to-order item | View & order |
Fault code on your Viessmann VitOpend 100 WHO? This is the part type involved
Common Viessmann fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: Viessmann fault codes.
| Code | What is going on | Part type |
|---|---|---|
| 24 | DHW circulation pump out of operation | Pumps |
| 26 | DHW circulation pump and charging pump out of operation | Pumps |
| 67 | Ionisation current not within the valid range | Ignition and ionisation |
| 69 | Ionisation current not within the valid range | Ignition and ionisation |
| 81 | No ignition spark available | Ignition and ionisation |
| 89 | Internal circulation pump blocked | Pumps |
For guidance only: the same code can have a different cause depending on the situation.
Other Viessmann boilers
- Viessmann Vitocrossal 200 4
- Viessmann Vitocrossal 200 CT2 404 370kW 35
- Viessmann Vitocrossal 300 13
- Viessmann Vitodens 100 BWA1 13
- Viessmann Vitodens 100 BWB1 15
- Viessmann Vitodens 100 WB1a 16
- Viessmann Vitodens 100 WB1b 15
- Viessmann Vitodens 1000 WB1 43
- Viessmann Vitodens 200 24kW comfort 65
- Viessmann Vitodens 200 WB2 9
- Viessmann Vitodens 200 WB2B 14
- Viessmann Vitodens 222 WWS2A 13
Frequently asked questions
Which parts are available for the Viessmann VitOpend 100 WHO?
The catalogue lists 13 original parts for the Viessmann VitOpend 100 WHO, including temperature sensors and NTC sensors, flow sensors and flow switches, pumps, heat exchangers. All parts are listed above, grouped by type, with part number and price.
How much does a temperature sensor for the Viessmann VitOpend 100 WHO cost?
The temperature sensors and NTC sensors for this model cost €61.42 incl. VAT. Check the table "Temperature sensors and NTC sensors" above for the right part number.
Are the parts for the Viessmann VitOpend 100 WHO in stock?
3 of the 13 parts are in stock; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days. Parts marked "Made-to-order item" are ordered specially for you; the delivery time is shown on the product page.
How do I know which part I need for the Viessmann VitOpend 100 WHO?
Search for the part by part number or use the parts list of the Viessmann VitOpend 100 WHO.
Are these original Viessmann parts?
Yes. All 13 parts in this list are original manufacturer parts for the Viessmann VitOpend 100 WHO, supplied through the official technical wholesale channel and with the correct part number.
How much do parts for the Viessmann VitOpend 100 WHO cost?
Parts for the Viessmann VitOpend 100 WHO range from €15.68 to €446.93 incl. VAT. The exact price of each part is shown in the tables above.
Can I return a part?
As a consumer you have a 14-day right of withdrawal. You may unpack and inspect the part; do not install or connect it. For a part that has been installed, connected or damaged we deduct the diminished value, up to the full price for circuit boards.