Vaillant MAG premium 19/2 XI Open spare parts

In brief

Instalpunt supplies 46 original parts for the Vaillant MAG premium 19/2 XI Open, including pressure switches and differential pressure switches, gas valves and gas control, PCBs and controls. Order online.

46Spare parts
17In stock
€5.89From
11Types

Looking for parts for the Vaillant MAG premium 19/2 XI Open (instantaneous water heater)? Below are all 46 original parts, grouped by part type. Choose a type to jump straight to the right table.

Pressure switches and differential pressure switches 1
Gas valves and gas control 1
PCBs and controls 1
Ignition and ionisation 1
Displays and controls 2
Valves 4
Electrical parts 1
Gaskets and seals 13
Pipes, tubes and hoses 1
Casing and panels 1
Fixing material 8
Other parts 12

Pressure switches and differential pressure switches for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas differential pressure switch	8050142 Mfr. no. 014694	€95.95	Made-to-order item	View & order

Gas valves and gas control for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas connection	8057876 Mfr. no. 082676	€96.95	Not available	View & order

PCBs and controls for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant ignition PCB MAG19/224/2XIGXI (black)	8055172 Mfr. no. 100569	€121.95	In stock	View & order

Ignition and ionisation for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant ignition electrode MAG19/2XIGXI	8057079 Mfr. no. 090726	€53.95	Made-to-order item	View & order

Displays and controls for the Vaillant MAG premium 19/2 XI Open (2) all Vaillant displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant knob MAG19-24/2 XZXIPXI for e.g. MAG premium 19/2 XZ Open 114277	8056646 Mfr. no. 114277	€16.95	In stock	View & order
Vaillant knob MAG19-24/2 XZXIPXI for e.g. MAG premium 19/2 XZ Open 114278	8057062 Mfr. no. 114278	€25.95	Made-to-order item	View & order

Valves for the Vaillant MAG premium 19/2 XI Open (4) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant water flow regulator MAG250-440/9/10/1219-24/2	8050388 Mfr. no. 012946	€18.95	In stock	View & order
Vaillant drag valve MAG 275/9/10/12 Turbo 272/10EW 19/2	8051922 Mfr. no. 203030	€19.95	In stock	View & order
Vaillant cold water supply valve VCW 180-282	8050143 Mfr. no. 0020107747	€70.95	Made-to-order item	View & order
Vaillant diverter tap/shower MAG	8052255 Mfr. no. 950183	€135.95	Made-to-order item	View & order

Electrical parts for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant switch MAG275-440/12XIPMAG 19-24/2XIX	8052151 Mfr. no. 257943	€45.95	In stock	View & order

Gaskets and seals for the Vaillant MAG premium 19/2 XI Open (13) all Vaillant gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Vaillant diaphragm complete 275/12XZ-440/12XIPMAG 19/2	8054015 Mfr. no. 010362	€25.95	In stock	View & order
Vaillant gasket 3/4" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8052292 Mfr. no. 981140	€15.95	In stock	View & order
Vaillant gasket (10 pcs) for e.g. MAG 135/71 Open 981141	8057026 Mfr. no. 981141	€14.95	In stock	View & order
Vaillant gasket 1/2" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8057027 Mfr. no. 981142	€14.95	In stock	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981163	8057046 Mfr. no. 981163	€14.95	In stock	View & order
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 O-ring (10 pcs) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 981165	8057048 Mfr. no. 981165	€19.95	In stock	View & order
Vaillant O-ring R21x25 (10 pcs)	8052812 Mfr. no. 981175	€14.95	In stock	View & order
Vaillant gasket K 14x11x1 (10 pcs)	8057042 Mfr. no. 981159	€22.95	Made-to-order item	View & order
Vaillant gasket (10 pcs) for e.g. MAG Mini 11-0/0 GX Open 981161	8057044 Mfr. no. 981161	€22.95	Made-to-order item	View & order
Vaillant sealing ring 3/8 10 pcs	90170043 Mfr. no. 981129	€23.95	Made-to-order item	View & order
Vaillant diaphragm for e.g. MAG premium 19/2 XZ Open 0020107790	8059532 Mfr. no. 0020107790	€21.95	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pipe for e.g. MAG premium 24/2 XI R1 Open 080047	8057790 Mfr. no. 080047	€29.95	Not available	View & order

Casing and panels for the Vaillant MAG premium 19/2 XI Open (1) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant upper section MAG275-440/12XIP after 04-2001	8050405 Mfr. no. 013062	€55.95	Made-to-order item	View & order

Fixing material for the Vaillant MAG premium 19/2 XI Open (8) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant screw MAG VCW VUW brass	8050060 Mfr. no. 010050	€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 105833, 10 pcs	8058077 Mfr. no. 105833	€25.95	Not available	View & order
Vaillant screw 118889	8058145 Mfr. no. 118889	€11.95	Not available	View & order
Vaillant sleeve MAG250/9/10/12-440/9/10/12 Turbo/10EW	8050082 Mfr. no. 0020107726	€21.95	Made-to-order item	View & order
Vaillant clamp (10 pcs)	8056797 Mfr. no. 139702	€26.95	Made-to-order item	View & order
Vaillant plug 3/4	8055830 Mfr. no. 950017	€25.95	Made-to-order item	View & order

Other parts for the Vaillant MAG premium 19/2 XI Open (12)

Part	Item no. / mfr. no.	Price	Stock
Vaillant tap headgear MAG/9/10/12MAG 19/2XZ19-24/2XIPXI	8054320 Mfr. no. 012755	€23.95	In stock	View & order
Vaillant set tap knob MAG/9/10/12 19/2XZ 19/2-24/2XIPXI	8052157 Mfr. no. 280879	€32.95	In stock	View & order
Vaillant water section MAG 275/12XZXIP19/2XZXIP	8055210 Mfr. no. 011272	€196.95	In stock	View & order
Vaillant burner injector 24/2XZXIP-B300 075 14 pcs	8056799 Mfr. no. 291213	€30.95	Made-to-order item	View & order
Vaillant adjustable restrictor MAG135/11/12 275/12-440/12 19/2XZ	8055560 Mfr. no. 149505	€26.95	Made-to-order item	View & order
Vaillant tap headwork MAG250-440/7/9/10/12T3WVC/W E19/2	8052253 Mfr. no. 950057	€42.95	Made-to-order item	View & order
Vaillant diaphragm plate set MAG275/12XZ275/12-440/12XIP19/2	8056568 Mfr. no. 140350	€26.95	Made-to-order item	View & order
Vaillant temperature selector spindle MAG250-350/9/1/12MAG19/224/2XZ	8050264 Mfr. no. 012546	€45.95	In stock	View & order
Vaillant water strainer MAG/9/10/12 MAG 19/224/2 XZ XI PX IG	8051447 Mfr. no. 0020028121	€28.95	Made-to-order item	View & order
Vaillant battery holder MAG275-440/12XIP19-24/2XIPXI	8057098 Mfr. no. 295166	€61.95	Made-to-order item	View & order
Vaillant burner injector 12 pcs MAG 19/2XZXIPXIGXI A25	8057076 Mfr. no. 291207	€26.95	Made-to-order item	View & order
Vaillant aerator	8057139 Mfr. no. 950210	€21.95	Made-to-order item	View & order

Fault code on your Vaillant MAG premium 19/2 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.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
F.194	PCB mains adapter defective	PCBs and controls

For guidance only: the same code can have a different cause depending on the situation.

Other Vaillant instantaneous water heaters

← All Vaillant parts

Frequently asked questions

Which parts are available for the Vaillant MAG premium 19/2 XI Open?

The catalogue lists 46 original parts for the Vaillant MAG premium 19/2 XI Open, including pressure switches and differential pressure switches, gas valves and gas control, PCBs and controls, ignition and ionisation. All parts are listed above, grouped by type, with part number and price.

How much does a pressure switch for the Vaillant MAG premium 19/2 XI Open cost?

The pressure switches and differential pressure switches for this model cost €95.40 incl. VAT. Check the table "Pressure switches and differential pressure switches" above for the right part number.

Are the parts for the Vaillant MAG premium 19/2 XI Open in stock?

17 of the 46 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 premium 19/2 XI Open?

Search for the part by part number or use the parts list of the Vaillant MAG premium 19/2 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 46 parts in this list are original manufacturer parts for the Vaillant MAG premium 19/2 XI Open, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the Vaillant MAG premium 19/2 XI Open cost?

Parts for the Vaillant MAG premium 19/2 XI Open range from €5.89 to €246.99 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.