Vaillant MAG 6-0/0 XI Open spare parts
In brief
Instalpunt supplies 57 original parts for the Vaillant MAG 6-0/0 XI Open, including temperature sensors and NTC sensors, heat exchangers, gas valves and gas control. Order online.
- 57Spare parts
- 11In stock
- €7.19From
- 16Types
Looking for parts for the Vaillant MAG 6-0/0 XI Open (instantaneous water heater)? Below are all 57 original parts, grouped by part type. Choose a type to jump straight to the right table.
Quick left to the right part for the Vaillant MAG 6-0/0 XI Open
| Part | From | Delivery |
|---|---|---|
| Ignition part Vaillant ignition and monitoring electrode for e.g. MAG 6-0/0 XI-DG Open 0020135587 | €33.95 | In stock |
| Temperature sensor Vaillant sensor (TTB maximum) with cable and screw | €53.95 | In stock |
| Burner control unit Vaillant ignition control unit | €80.95 | In stock |
| Display Vaillant knob for e.g. MAG 6-0/0 XI-DG Open 0020135511 | €14.95 | 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
- Heat exchangers 1
- Gas valves and gas control 6
- PCBs and controls 1
- Burner control units 1
- Ignition and ionisation 1
- Burners 2
- Displays and controls 2
- Filters 1
- Valves 2
- Electrical parts 1
- Cables and wiring harnesses 1
- Gaskets and seals 8
- Pipes, tubes and hoses 9
- Casing and panels 2
- Fixing material 12
- Other parts 6
Temperature sensors and NTC sensors for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant temperature sensors and NTC sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant sensor (TTB maximum) with cable and screw | 8050797 Mfr. no. 0020135537 | €53.95 | In stock | View & order |
Heat exchangers for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant heat exchangers →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant heat exchanger for e.g. MAG 6-0/0 XI-DG Open 0020135513 | 8050808 Mfr. no. 0020135513 | €269.95 | Made-to-order item | View & order |
Gas valves and gas control for the Vaillant MAG 6-0/0 XI Open (6) all Vaillant gas valves and gas control →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant Ermeto gas connection MAG135/9-2b right-hand thread 080032 | 8050985 Mfr. no. 080032 | €143.95 | Made-to-order item | View & order |
| Vaillant gas valve complete A25 (for natural gas) | 8058998 Mfr. no. 0020135520 | €196.95 | Made-to-order item | View & order |
| Vaillant gas valve (for propane) | 8050806 Mfr. no. 0020135521 | €169.95 | In stock | View & order |
| Vaillant gas tap A25 | 8058996 Mfr. no. 0020135595 | €104.95 | Made-to-order item | View & order |
| Vaillant gas tap propane | 8058997 Mfr. no. 0020135596 | €104.95 | Made-to-order item | View & order |
| Vaillant venturi for e.g. MAG 6-0/0 XI-DG Open 0020135526 | 8050770 Mfr. no. 0020135526 | €22.95 | Made-to-order item | View & order |
PCBs and controls for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant PCBs and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant water flow regulator for e.g. MAG 6-0/0 XI-DG Open 0020135529 | 8050776 Mfr. no. 0020135529 | €23.95 | Made-to-order item | View & order |
Burner control units for the Vaillant MAG 6-0/0 XI Open (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant ignition control unit | 8050801 Mfr. no. 0020135535 | €80.95 | In stock | View & order |
Ignition and ionisation for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant ignition and ionisation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant ignition and monitoring electrode for e.g. MAG 6-0/0 XI-DG Open 0020135587 | 8050793 Mfr. no. 0020135587 | €33.95 | In stock | View & order |
Burners for the Vaillant MAG 6-0/0 XI Open (2) all Vaillant burners →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant burner for e.g. MAG 6-0/0 XI-DG Open 0020135519 | 8050799 Mfr. no. 0020135519 | €53.95 | Made-to-order item | View & order |
| Vaillant burner rail for e.g. MAG 6-0/0 XI-DG Open 0020135516 | 8050795 Mfr. no. 0020135516 | €45.95 | Made-to-order item | View & order |
Displays and controls for the Vaillant MAG 6-0/0 XI Open (2) all Vaillant displays and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant knob for e.g. MAG 6-0/0 XI-DG Open 0020135511 | 8050765 Mfr. no. 0020135511 | €14.95 | In stock | View & order |
| Vaillant knob set chrome for base unit MAG6-0 | 8050235 Mfr. no. 0020051304 | €20.95 | In stock | View & order |
Filters for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant filters →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant filter for e.g. MAG Mini 11-0/1 GX Open 0020135530 | 8050761 Mfr. no. 0020135530 | €21.95 | Made-to-order item | View & order |
Valves for the Vaillant MAG 6-0/0 XI Open (2) all Vaillant valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant tap set | 8050807 Mfr. no. 0020135603 | €197.95 | In stock | View & order |
| Vaillant non-return valve MAG 6-0/0 XI | 8058999 Mfr. no. 0020137687 | €25.95 | Made-to-order item | View & order |
Electrical parts for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant electrical parts →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant switch for e.g. MAG 6-0/0 XI-DG Open 0020135586 | 8050796 Mfr. no. 0020135586 | €35.95 | In stock | View & order |
Cables and wiring harnesses for the Vaillant MAG 6-0/0 XI Open (1) all Vaillant cables and wiring harnesses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant wiring harness for e.g. MAG 6-0/0 XI-DG Open 0020135536 | 8050778 Mfr. no. 0020135536 | €25.95 | Made-to-order item | View & order |
Gaskets and seals for the Vaillant MAG 6-0/0 XI Open (8) all Vaillant gaskets and seals →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant sealing ring (10 pcs) for e.g. MAG Mini 11-0/0 GX Open 981125 | 8057103 Mfr. no. 981125 | €18.95 | In stock | View & order |
| Vaillant gasket (10 pcs) for e.g. MAG 135/71 Open 981143 | 8052341 Mfr. no. 981143 | €21.95 | Made-to-order item | View & order |
| Vaillant gasket K 14x11x1 (10 pcs) | 8057042 Mfr. no. 981159 | €22.95 | Made-to-order item | View & order |
| Vaillant sealing ring | 8050669 Mfr. no. 0020146350 | €31.95 | Made-to-order item | View & order |
| Vaillant O-ring 10 pcs for e.g. MAG Mini 11-0/1 GX Open 0020135532 | 8050771 Mfr. no. 0020135532 | €25.95 | Made-to-order item | View & order |
| Vaillant O-ring 10 pcs for e.g. MAG 6-0/0 XI-DG Open 0020135589 | 8050766 Mfr. no. 0020135589 | €21.95 | Made-to-order item | View & order |
| Vaillant gasket 10 pcs for e.g. MAG Mini 114/1G K-NL Open 0020135514 | 8050769 Mfr. no. 0020135514 | €22.95 | Made-to-order item | View & order |
| Vaillant gasket 10 pcs for e.g. MAG Mini 11-0/1 GX Open 0020135534 | 8050775 Mfr. no. 0020135534 | €24.95 | Made-to-order item | View & order |
Pipes, tubes and hoses for the Vaillant MAG 6-0/0 XI Open (9) all Vaillant pipes, tubes and hoses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant pipe MAG 6-0/0 XI | 8050253 Mfr. no. 0020135602 | €30.95 | Made-to-order item | View & order |
| Vaillant connection nipple | 8050798 Mfr. no. 0020135588 | €55.95 | Made-to-order item | View & order |
| Vaillant hot water pipe heat exchanger MAG 6XI | 8050787 Mfr. no. 0020135599 | €28.95 | Made-to-order item | View & order |
| Vaillant cold water supply pipe MAG 6XI | 8050788 Mfr. no. 0020135600 | €30.95 | Made-to-order item | View & order |
| Vaillant cold water pipe heat exchanger MAG 6XI | 8050789 Mfr. no. 0020135601 | €30.95 | Made-to-order item | View & order |
| Vaillant gas pipe MAG 6XI A25 | 8050351 Mfr. no. 0020159345 | €31.95 | Made-to-order item | View & order |
| Vaillant pipe for e.g. MAG 6-0/0 XI-DG Open 0020159347 | 8050651 Mfr. no. 0020159347 | €41.95 | Made-to-order item | View & order |
| Vaillant nipple for e.g. MAG 6-0/0 XI-DG Open 0020135604 | 8050767 Mfr. no. 0020135604 | €21.95 | Made-to-order item | View & order |
| Vaillant extension piece | 8050768 Mfr. no. 0020135512 | €21.95 | Made-to-order item | View & order |
Casing and panels for the Vaillant MAG 6-0/0 XI Open (2) all Vaillant casing and panels →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant front plate for e.g. MAG 6-0/0 XI-DG Open 0020135510 | 8050794 Mfr. no. 0020135510 | €44.95 | Made-to-order item | View & order |
| Vaillant casing MAG 6-0/0 XI | 8058995 Mfr. no. 0020135509 | €68.95 | Made-to-order item | View & order |
Fixing material for the Vaillant MAG 6-0/0 XI Open (12) all Vaillant fixing material →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant screw 105829, 10 pcs | 8056743 Mfr. no. 105829 | €22.95 | Made-to-order item | View & order |
| Vaillant screw 10 pcs MAG11-0/0 mini11-0/0XIGX14-0/0X | 8056744 Mfr. no. 105831 | €25.95 | Not available | View & order |
| Vaillant screw 105832, 10 pcs | 8056745 Mfr. no. 105832 | €23.95 | Not available | View & order |
| Vaillant screw 105834, 10 pcs | 8056746 Mfr. no. 105834 | €23.95 | Made-to-order item | View & order |
| Vaillant screw 0020135533 | 8050762 Mfr. no. 0020135533 | €21.95 | Made-to-order item | View & order |
| Vaillant screw 0020135522, 10 pcs | 8050763 Mfr. no. 0020135522 | €21.95 | Made-to-order item | View & order |
| Vaillant screw 0020135525, 10 pcs | 8050764 Mfr. no. 0020135525 | €21.95 | Made-to-order item | View & order |
| Vaillant clip 10 pcs for e.g. MAG Mini 11-0/1 GX Open 0020115819 | 8050777 Mfr. no. 0020115819 | €27.95 | Made-to-order item | View & order |
| Vaillant holder for e.g. MAG Mini 11-0/1 GX Open 0020135524 | 8050781 Mfr. no. 0020135524 | €28.95 | Made-to-order item | View & order |
| Vaillant holder for e.g. MAG 6-0/0 XI-DG Open 0020137689 | 8050773 Mfr. no. 0020137689 | €22.95 | Made-to-order item | View & order |
| Vaillant clamp (10 pcs) | 8056797 Mfr. no. 139702 | €26.95 | Made-to-order item | View & order |
| Vaillant spindle | 8050774 Mfr. no. 0020135528 | €22.95 | Made-to-order item | View & order |
Other parts for the Vaillant MAG 6-0/0 XI Open (6)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant tap spindle MAG 6-0/0 | 8055162 Mfr. no. 0020051820 | €22.95 | In stock | View & order |
| Vaillant water section for e.g. MAG 6-0/0 XI-DG Open 0020135523 | 8050802 Mfr. no. 0020135523 | €81.95 | In stock | View & order |
| Vaillant connection for e.g. MAG Mini 11-0/1 GX Open 0020135531 | 8050779 Mfr. no. 0020135531 | €29.95 | Made-to-order item | View & order |
| Vaillant burner injector for e.g. MAG 6-0/0 XI-DG Open 291202 | 8050782 Mfr. no. 291202 | €26.95 | Made-to-order item | View & order |
| Vaillant cold water connection | 8050783 Mfr. no. 0020060249 | €30.95 | Made-to-order item | View & order |
| Vaillant outlet spout | 8050772 Mfr. no. 0020137688 | €22.95 | Made-to-order item | View & order |
Fault code on your Vaillant MAG 6-0/0 XI Open? This is the part type involved
Common Vaillant fault codes and the part type that is usually the cause; the parts for this model are listed above.
| Code | What is going on | Part type |
|---|---|---|
| F.01 | Ignition fault (no flame detection), no gas / gas tap closed, no ignition | Ignition and ionisation |
| F.042 | Break in the heat exchanger wiring harness | Heat exchangers |
| F.070 | Replacement of the control PCB and display PCB | PCBs and controls |
| F.086 | Contact S20 on heat pump main PCB (HMU) open, incorrect high-limit thermostat setting, flow temperature sensor (heat pump, gas boiler, system sensor) reading too low | PCBs and controls |
| F.103 | Wrong thermostat PCB installed on the outdoor unit | PCBs and controls |
| F.105 | Gas valve offset in D.052 set incorrectly | Gas valves and gas control |
For guidance only: the same code can have a different cause depending on the situation.
Other Vaillant instantaneous water heaters
- Vaillant MAG 125/11 OZ Open 50
- Vaillant MAG 11, 12 Open Propane 50
- Vaillant MAG 11-0/0 XZ Open 56
- Vaillant MAG 135/11 O Open 48
- Vaillant MAG 135/11 XZ Open 50
- Vaillant MAG 135/12 XZ Open 50
- Vaillant MAG 135/7 TTB Open 48
- Vaillant MAG 135/71 Open 45
- Vaillant MAG 135/71 SO17 Open 47
- Vaillant MAG 135/71 TTB Open 48
- Vaillant MAG 14-0/0 GX Open 62
- Vaillant MAG 14-0/0 XI Open 63
Frequently asked questions
Which parts are available for the Vaillant MAG 6-0/0 XI Open?
The catalogue lists 57 original parts for the Vaillant MAG 6-0/0 XI Open, including temperature sensors and NTC sensors, heat exchangers, gas valves and gas control, PCBs and controls. All parts are listed above, grouped by type, with part number and price.
How much does a temperature sensor for the Vaillant MAG 6-0/0 XI Open cost?
The temperature sensors and NTC sensors for this model cost €66.65 incl. VAT. Check the table "Temperature sensors and NTC sensors" above for the right part number.
Are the parts for the Vaillant MAG 6-0/0 XI Open in stock?
11 of the 57 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 Vaillant MAG 6-0/0 XI Open?
Search for the part by part number or use the parts list of the Vaillant MAG 6-0/0 XI Open. Is your appliance showing a fault code? The fault code table shows the matching part type.
Are these original Vaillant parts?
Yes. All 57 parts in this list are original manufacturer parts for the Vaillant MAG 6-0/0 XI Open, supplied through the official technical wholesale channel and with the correct part number.
How much do parts for the Vaillant MAG 6-0/0 XI Open cost?
Parts for the Vaillant MAG 6-0/0 XI Open range from €7.19 to €318.86 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.