Vaillant MAG 350/12 XIP Open spare parts

In brief

Instalpunt supplies 49 original parts for the Vaillant MAG 350/12 XIP Open, including sensors, pressure switches and differential pressure switches, heat exchangers. Order online.

49Spare parts
13In stock
€5.89From
13Types

Looking for parts for the Vaillant MAG 350/12 XIP Open (instantaneous water heater)? Below are all 49 original parts, grouped by part type. Choose a type to jump straight to the right table.

Sensors 1
Pressure switches and differential pressure switches 1
Heat exchangers 1
Gas valves and gas control 3
PCBs and controls 1
Ignition and ionisation 1
Burners 2
Valves 4
Electrical parts 1
Gaskets and seals 11
Pipes, tubes and hoses 1
Casing and panels 1
Fixing material 7
Other parts 14

Sensors for the Vaillant MAG 350/12 XIP Open (1) all Vaillant sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant TTB 350-440/12 XIP	8051195 Mfr. no. 100389	€91.95	Made-to-order item	View & order

Pressure switches and differential pressure switches for the Vaillant MAG 350/12 XIP Open (1) all Vaillant pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas differential pressure switch MAG275-440/12XIP19-24XIP	8055175 Mfr. no. 014661	€92.95	Made-to-order item	View & order

Heat exchangers for the Vaillant MAG 350/12 XIP Open (1) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant heat exchanger MAG	8050843 Mfr. no. 0020206053	€260.95	Made-to-order item	View & order

Gas valves and gas control for the Vaillant MAG 350/12 XIP Open (3) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas valve MAG350/12XIP24/2XIPXIGXI B300	8056140 Mfr. no. 020796	€27.95	Made-to-order item	View & order
Vaillant burner injector 18 pcs 7/1 150 MAG135275/9-440/9 VCW221 T275	8050144 Mfr. no. 0020107713	€49.95	Made-to-order item	View & order
Vaillant venturi 240 MAG250/7TZW350/9/12325/9 VCW180-245 012837	8050330 Mfr. no. 0020107791	€30.95	Made-to-order item	View & order

PCBs and controls for the Vaillant MAG 350/12 XIP Open (1) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant ignition PCB MAG 275-440XIP19-24XIP (white)	8055170 Mfr. no. 100568	€114.95	In stock	View & order

Ignition and ionisation for the Vaillant MAG 350/12 XIP Open (1) all Vaillant ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant monitoring electrode MAG275/12-440/12XIP	8056552 Mfr. no. 090564	€25.95	Made-to-order item	View & order

Burners for the Vaillant MAG 350/12 XIP Open (2) all Vaillant burners →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pilot injector 030 MAG250-400/7Sine250/9Turbo/7/9	8050586 Mfr. no. 0020078902	€17.95	In stock	View & order
Vaillant pilot injector 0.23	8052021 Mfr. no. 0020078903	€25.95	Made-to-order item	View & order

Valves for the Vaillant MAG 350/12 XIP 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 main gas valve MAG350/12XIP 24/2XIPXIGXI B300	8056150 Mfr. no. 020680	€27.95	Made-to-order item	View & order
Vaillant drag valve MAG 350/9/10/12 x IP 440/12 x IP MAG24/2	8051923 Mfr. no. 203031	€27.95	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 350/12 XIP 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 350/12 XIP Open (11) 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 (10 pcs) for e.g. MAG 135/71 Open 981141	8057026 Mfr. no. 981141	€14.95	In stock	View & order
Vaillant gasket K 31x22x2 (10 pcs)	8057045 Mfr. no. 981162	€17.95	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 gasket K 8 x 45 x 1 mm (10 pcs)	8058886 Mfr. no. 981145	€14.95	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 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 350/12 XIP 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	Made-to-order item	View & order

Casing and panels for the Vaillant MAG 350/12 XIP 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 350/12 XIP Open (7) 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 TTB 8 x 4 mm MAG	8051980 Mfr. no. 235739	€11.95	Made-to-order item	View & order
Vaillant screw 118889	8058145 Mfr. no. 118889	€11.95	Made-to-order item	View & order
Vaillant bracket	8056805 Mfr. no. 086133	€11.95	Made-to-order item	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 nut MAG135/11/12275-440/12	8058120 Mfr. no. 114885	€11.95	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 350/12 XIP Open (14)

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 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 440/9/10 440/12XIP	8050266 Mfr. no. 012548	€44.95	Made-to-order item	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 burner injector for e.g. MAG 275/12 XIP Open 0020228102	90170041 Mfr. no. 0020228102	€30.95	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 air mixing tube MAG/9/10/12	8055110 Mfr. no. 042440	€25.95	Made-to-order item	View & order
Vaillant aerator	8057139 Mfr. no. 950210	€21.95	Made-to-order item	View & order
Vaillant pilot burner holder MAG275/12-440/12XIP	8054851 Mfr. no. 042168	€67.95	Made-to-order item	View & order
Vaillant hot water connection MAG275/9/10/12-440/9/10/1219/2XZ	8053995 Mfr. no. 081149	€63.95	Made-to-order item	View & order
Vaillant water section MAG 350/12XIP24/2XIPXIGXI	8055215 Mfr. no. 011274	€222.95	Made-to-order item	View & order

Fault code on your Vaillant MAG 350/12 XIP 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.00	The flow temperature sensor signal is interrupted.	Sensors
F.01	Ignition fault (no flame detection), no gas / gas tap closed, no ignition	Ignition and ionisation
F.01	The return temperature sensor signal is interrupted.	Sensors
F.02	The hot water connection temperature sensor signal is interrupted.	Sensors
F.022	Pressure loss in the heating circuit due to a leak or air lock, heating circuit pressure sensor defective	Sensors
F.03	The cylinder temperature sensor signal is interrupted.	Sensors

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 350/12 XIP Open?

The catalogue lists 49 original parts for the Vaillant MAG 350/12 XIP Open, including sensors, pressure switches and differential pressure switches, heat exchangers, gas valves and gas control. All parts are listed above, grouped by type, with part number and price.

How much does a sensor for the Vaillant MAG 350/12 XIP Open cost?

The sensors for this model cost €90.17 incl. VAT. Check the table "Sensors" above for the right part number.

Are the parts for the Vaillant MAG 350/12 XIP Open in stock?

13 of the 49 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 350/12 XIP Open?

Search for the part by part number or use the parts list of the Vaillant MAG 350/12 XIP Open. Is your appliance showing a fault code? The fault code table shows the matching part type.

Are these original Vaillant parts?

Yes. All 49 parts in this list are original manufacturer parts for the Vaillant MAG 350/12 XIP Open, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the Vaillant MAG 350/12 XIP Open cost?

Parts for the Vaillant MAG 350/12 XIP Open range from €5.89 to €303.18 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.