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Bosch ZWE28-4MFA spare parts

In brief

Instalpunt supplies 115 original parts for the Bosch ZWE28-4MFA, including fans, sensors, temperature sensors and NTC sensors. Order online.

  • 115Spare parts
  • 13In stock
  • €4.08From
  • 21Types

Looking for parts for the Bosch ZWE28-4MFA (boiler)? Below are all 115 original parts, grouped by part type. Choose a type to jump straight to the right table.

Quick left to the right part for the Bosch ZWE28-4MFA

PartFromDelivery
Fan
Bosch fan for e.g. ZWE 24-3 87172042240
€230.83In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
Ignition part
Bosch ignition cable ZWE
€74.83In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
Flow sensor
Nefit turbine
€94.59In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
Temperature sensor
Bosch differential pressure sensor ZWE 24AE
€50.91In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
Display
Bosch temperature selector knob
€49.87In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).

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.

Fans for the Bosch ZWE28-4MFA (1) all Bosch fans →

PartItem no. / mfr. no.PriceStock
Bosch fan for e.g. ZWE 24-3 871720422408181190
Mfr. no. 87172042240
€230.83In stockView & order

Sensors for the Bosch ZWE28-4MFA (1) all Bosch sensors →

PartItem no. / mfr. no.PriceStock
Bosch temperature limiter 110°8181300
Mfr. no. 87172061620
€31.15Made-to-order itemView & order

Temperature sensors and NTC sensors for the Bosch ZWE28-4MFA (3) all Bosch temperature sensors and NTC sensors →

PartItem no. / mfr. no.PriceStock
Bosch NTC sensor/flow8180980
Mfr. no. 87145000290
€59.23Made-to-order itemView & order
Bosch NTC hot water8185184
Mfr. no. 87161423020
€33.23Made-to-order itemView & order
Bosch differential pressure sensor ZWE 24AE8180910
Mfr. no. 87123050510
€50.91In stockView & order

Flow sensors and flow switches for the Bosch ZWE28-4MFA (1)

PartItem no. / mfr. no.PriceStock
Nefit turbine8185170
Mfr. no. 87170021320
€94.59In stockView & order

Pressure switches and differential pressure switches for the Bosch ZWE28-4MFA (1) all Bosch pressure switches and differential pressure switches →

PartItem no. / mfr. no.PriceStock
Bosch differential pressure switch for e.g. ZSE28-4MFA 871740604908181400
Mfr. no. 87174060490
€244.35Made-to-order itemView & order

Heat exchangers for the Bosch ZWE28-4MFA (1) all Bosch heat exchangers →

PartItem no. / mfr. no.PriceStock
Bosch heat exchanger 24/28 MF8180015
Mfr. no. 87154065860
€535.55Made-to-order itemView & order

PCBs and controls for the Bosch ZWE28-4MFA (1) all Bosch PCBs and controls →

PartItem no. / mfr. no.PriceStock
Bosch PCB VRC 25 before August 20078185087
Mfr. no. 87483005570
€597.95Made-to-order itemView & order

Ignition and ionisation for the Bosch ZWE28-4MFA (2) all Bosch ignition and ionisation →

PartItem no. / mfr. no.PriceStock
Bosch electrode set complete8181440
Mfr. no. 87181070500
€57.15Made-to-order itemView & order
Bosch ignition cable ZWE8180215
Mfr. no. 87144018920
€74.83In stockView & order

Burners for the Bosch ZWE28-4MFA (1) all Bosch burners →

PartItem no. / mfr. no.PriceStock
Bosch burner for ZWE28-4MFA 871990502708187707
Mfr. no. 87199050270
€406.59Made-to-order itemView & order

Displays and controls for the Bosch ZWE28-4MFA (1) all Bosch displays and controls →

PartItem no. / mfr. no.PriceStock
Bosch temperature selector knob8180895
Mfr. no. 87120001040
€49.87In stockView & order

Valves for the Bosch ZWE28-4MFA (6) all Bosch valves →

PartItem no. / mfr. no.PriceStock
Bosch safety relief valve 3 bar8181340
Mfr. no. 87174010120
€39.47In stockView & order
Bosch air vent valve8185138
Mfr. no. 87185050390
€57.15In stockView & order
Bosch shut-off valve for e.g. SZWN 24-6 871740513708181951
Mfr. no. 87174051370
€49.87Made-to-order itemView & order
Bosch shut-off valve for e.g. ZWR 24-3 KE 871740514008180442
Mfr. no. 87174051400
€49.87Made-to-order itemView & order
Bosch shut-off valve for e.g. SZWN 24-6 871740518908181950
Mfr. no. 87174051890
€49.87Made-to-order itemView & order
Bosch front panel flap 871550660708186043
Mfr. no. 87155066070
€73.79Made-to-order itemView & order

Pressure gauges for the Bosch ZWE28-4MFA (1) all Bosch pressure gauges →

PartItem no. / mfr. no.PriceStock
Bosch pressure gauge for cylinder tank8185204
Mfr. no. 87172080920
€71.71Made-to-order itemView & order

Electrical parts for the Bosch ZWE28-4MFA (6) all Bosch electrical parts →

PartItem no. / mfr. no.PriceStock
Bosch transformer for e.g. HRC 30 (ZWB7-26A5S0730) 874720135808184155
Mfr. no. 87472013580
€74.83In stockView & order
Bosch fuse T2.5A (10 pcs)8020119
Mfr. no. 19045213420
€25.95In stockView & order
Bosch fuse set8185067
Mfr. no. 87445030100
€22.83Made-to-order itemView & order
Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 190452273008185162
Mfr. no. 19045227300
€26.99Made-to-order itemView & order
Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 190452274008185163
Mfr. no. 19045227400
€26.99Made-to-order itemView & order
Bosch coding plug (NG)8184043
Mfr. no. 87144111970
€25.95Made-to-order itemView & order

Tap parts for the Bosch ZWE28-4MFA (1) all Bosch tap parts →

PartItem no. / mfr. no.PriceStock
Bosch nozzle 125 10 pcs8180013
Mfr. no. 87082021160
€31.15Made-to-order itemView & order

Toilet and cistern parts for the Bosch ZWE28-4MFA (1) all Bosch toilet and cistern parts →

PartItem no. / mfr. no.PriceStock
Bosch connection bend for e.g. ZSE28-4MFA 871570505808187424
Mfr. no. 87157050580
€198.59Made-to-order itemView & order

Cables and wiring harnesses for the Bosch ZWE28-4MFA (5) all Bosch cables and wiring harnesses →

PartItem no. / mfr. no.PriceStock
Bosch connection connector for cylinder tank8185205
Mfr. no. 87155021050
€35.31Made-to-order itemView & order
Bosch connection cable8186925
Mfr. no. 87144020940
€60.27Made-to-order itemView & order
Bosch cable for e.g. ZWE28-4MFA 874440127608187227
Mfr. no. 87444012760
€89.39Made-to-order itemView & order
Bosch plug for e.g. 24 VRC (room-sealed ZWE24-3MFA) 871990511908186763
Mfr. no. 87199051190
€49.87Made-to-order itemView & order
Bosch plug ZWE..3MFA8185164
Mfr. no. 87144042260
€45.71Made-to-order itemView & order

Gaskets and seals for the Bosch ZWE28-4MFA (11) all Bosch gaskets and seals →

PartItem no. / mfr. no.PriceStock
Bosch pump gasket Z/ZW/ZWR 10 pcs8184185
Mfr. no. 87101030460
€16.59In stockView & order
Bosch fan gasket for e.g. VRC 24 871100411308180885
Mfr. no. 87110041130
€31.15Made-to-order itemView & order
Bosch seal for e.g. WT 13 870100403108186781
Mfr. no. 87010040310
€45.71Made-to-order itemView & order
Bosch O-ring 10 pcs for e.g. VRC25 II ZWE24-5MFA 871614082008184801
Mfr. no. 87161408200
€23.87Made-to-order itemView & order
Bosch O-ring for e.g. Condens 3000W (ZWB29-3C) 871020509008180199
Mfr. no. 87102050900
€22.83Made-to-order itemView & order
Bosch O-ring for e.g. SZWN 24-6 871991875608187412
Mfr. no. 87199187560
€122.67Made-to-order itemView & order
Bosch O-ring for cylinder tank 10 pcs8185207
Mfr. no. 87167711640
€22.83Made-to-order itemView & order
Bosch gasket 10 pcs8185161
Mfr. no. 29167105290
€22.83Made-to-order itemView & order
Bosch gasket ring 10 pcs8181615
Mfr. no. 87302039980
€35.31Made-to-order itemView & order
Bosch rubber seal set (10 pcs)8180875
Mfr. no. 87110042970
€101.87Made-to-order itemView & order
Bosch fan gasket for e.g. 24 VRC (room-sealed ZWE24-3MFA) 871100408008181474
Mfr. no. 87110040800
€31.15Made-to-order itemView & order

Pipes, tubes and hoses for the Bosch ZWE28-4MFA (13) all Bosch pipes, tubes and hoses →

PartItem no. / mfr. no.PriceStock
Bosch differential pressure line ZWF 24AE8184136
Mfr. no. 87123050520
€49.87Made-to-order itemView & order
Bosch cold water pipe flow separation exchanger VRC258180010
Mfr. no. 87107258080
€71.71Made-to-order itemView & order
Bosch double nipple for e.g. ZSE28-4MFA 871330532208186336
Mfr. no. 87133053220
€22.83Made-to-order itemView & order
Bosch double nipple for e.g. ZSE28-4MFA 871330532508186488
Mfr. no. 87133053250
€29.07Made-to-order itemView & order
Bosch double nipple for e.g. SZWN 24-6 871330545608181946
Mfr. no. 87133054560
€26.99Made-to-order itemView & order
Bosch gas supply pipe for e.g. ZSE28-4MFA 871072588008187099
Mfr. no. 87107258800
€101.87Made-to-order itemView & order
Bosch coupling for e.g. ZSE28-4MFA 871330502308186828
Mfr. no. 87133050230
€47.79Made-to-order itemView & order
Bosch pipe for e.g. ZWE28-4MFA 871071551008186668
Mfr. no. 87107155100
€33.23Made-to-order itemView & order
Bosch return pipe for e.g. ZSE28-4MFA 871072585708189320
Mfr. no. 87107258570
€111.23Made-to-order itemView & order
Bosch return pipe manifold for e.g. 24 VRC (room-sealed ZWE24-3MFA) 871072585508187307
Mfr. no. 87107258550
€101.87Made-to-order itemView & order
Bosch control line for e.g. ZSE28-4MFA 871072580408186788
Mfr. no. 87107258040
€45.71Made-to-order itemView & order
Bosch connecting pipe top for e.g. ZWE28-4MFA 871072579408187266
Mfr. no. 87107257940
€97.71Made-to-order itemView & order
Bosch connecting pipe hot for e.g. ZWE28-4MFA 871072581308187207
Mfr. no. 87107258130
€89.39Made-to-order itemView & order

Casing and panels for the Bosch ZWE28-4MFA (11) all Bosch casing and panels →

PartItem no. / mfr. no.PriceStock
Bosch combustion chamber front plate8185045
Mfr. no. 87154021480
€277.63Made-to-order itemView & order
Bosch closure for e.g. HRC 30 (ZWB7-26A5S0730) 871050621008189674
Mfr. no. 87105062100
€28.03Made-to-order itemView & order
Bosch cover plates8185243
Mfr. no. 87110002760
€25.95Made-to-order itemView & order
Bosch shield plate for e.g. VRC 24 871800357708186595
Mfr. no. 87180035770
€31.15Made-to-order itemView & order
Bosch protection light grey for e.g. ZSE28-4MFA 871720748308187494
Mfr. no. 87172074830
€155.95Made-to-order itemView & order
Bosch cover for e.g. VRC 24 871100021408186412
Mfr. no. 87110002140
€25.95Made-to-order itemView & order
Bosch cover for e.g. HRC 30 (ZWB7-26A5S0730) 871130472308185247
Mfr. no. 87113047230
€47.79Made-to-order itemView & order
Bosch cover for e.g. VRC 24 871800537108189120
Mfr. no. 87180053710
€128.91Made-to-order itemView & order
Bosch frame set8187372
Mfr. no. 87180057160
€137.23Made-to-order itemView & order
Bosch grey side panels (set)8185255
Mfr. no. 87155064950
€69.63Made-to-order itemView & order
Nefit sealing cap gas valve8029435
Mfr. no. 87167706200
€22.83Made-to-order itemView & order

Insulation for the Bosch ZWE28-4MFA (1) all Bosch insulation →

PartItem no. / mfr. no.PriceStock
Bosch insulation set combustion chamber8180900
Mfr. no. 87123032770
€91.47Made-to-order itemView & order

Fixing material for the Bosch ZWE28-4MFA (27) all Bosch fixing material →

PartItem no. / mfr. no.PriceStock
Bosch cover screw test nipple 10 pcs8185084
Mfr. no. 87134060880
€35.31In stockView & order
Nefit screw 29106194090, 10 pcs8034894
Mfr. no. 29106194090
€22.83Made-to-order itemView & order
Bosch cover screw 871340000108185175
Mfr. no. 87134000010
€10.35Made-to-order itemView & order
Nefit screw 87034010690, 10 pcs8035016
Mfr. no. 87034010690
€23.87Made-to-order itemView & order
Nefit screw 29109521220, 10 pcs8035017
Mfr. no. 29109521220
€22.83Made-to-order itemView & order
Bosch screw 871340301208180132
Mfr. no. 87134030120
€22.83Made-to-order itemView & order
Bosch screw M4x6 10 pcs8180188
Mfr. no. 29144114240
€22.83Made-to-order itemView & order
Bosch screw 871340302908186207
Mfr. no. 87134030290
€22.83Made-to-order itemView & order
Bosch adjusting screw 871990501008186944
Mfr. no. 87199050100
€60.27Made-to-order itemView & order
Nefit screw 4.8x9.5 mm (10 pcs)8020431
Mfr. no. 29106144310
€22.83Made-to-order itemView & order
Nefit screw 29106194540, 10 pcs8030096
Mfr. no. 29106194540
€44.67Made-to-order itemView & order
Nefit screw 29106124240, 10 pcs8030105
Mfr. no. 29106124240
€22.83Made-to-order itemView & order
Nefit screw 29181404100, 10 pcs8030108
Mfr. no. 29181404100
€11.39Made-to-order itemView & order
Nefit screw 87134030130, 10 pcs8030110
Mfr. no. 87134030130
€22.83Made-to-order itemView & order
Nefit screw 87134010580, 10 pcs8030117
Mfr. no. 87134010580
€25.95Made-to-order itemView & order
Bosch spacer 10 pcs8185248
Mfr. no. 87115031970
€45.71Made-to-order itemView & order
Bosch locking spring 10 pcs for e.g. Turbo Tower HRC 30 Solar 871460600208181948
Mfr. no. 87146060020
€31.15Made-to-order itemView & order
Bosch locking spring 10 pcs for e.g. ZSE28-4MFA 871120002008185183
Mfr. no. 87112000200
€22.83Made-to-order itemView & order
Bosch locking spring for e.g. SZWN 24-6 871460600408181949
Mfr. no. 87146060040
€31.15Made-to-order itemView & order
Bosch locking spring 10 pcs for e.g. SZWN 24-6 871614835408185182
Mfr. no. 87161483540
€22.83Made-to-order itemView & order
Bosch locking spring for cylinder tank 10 pcs8185206
Mfr. no. 87147070240
€24.91Made-to-order itemView & order
Bosch locking spring8186302
Mfr. no. 87001070020
€22.83Made-to-order itemView & order
Bosch clamping bracket for e.g. VRC 24 871130003208186104
Mfr. no. 87113000320
€10.35Not availableView & order
Bosch clamping bracket for e.g. VRC 24 871130105508180855
Mfr. no. 87113010550
€25.95Made-to-order itemView & order
Bosch support for e.g. VRC 24 871800367608186835
Mfr. no. 87180036760
€47.79Made-to-order itemView & order
Bosch spring for NTC flow sensor8180880
Mfr. no. 87113021180
€22.83Made-to-order itemView & order
Nefit clamp (10 pcs) for e.g. BaseLine HRC24 CW4 871130469508020827
Mfr. no. 87113046950
€45.71Made-to-order itemView & order

Other parts for the Bosch ZWE28-4MFA (19)

PartItem no. / mfr. no.PriceStock
Nefit grease 30 grams universal8180761
Mfr. no. 87099184130
€23.87In stockView & order
Bosch contact paste 30 grams8184020
Mfr. no. 87199186580
€62.35In stockView & order
Bosch burner connection part8185178
Mfr. no. 87152090780
€71.71Made-to-order itemView & order
Bosch outlet cover8186347
Mfr. no. 87155054620
€24.91Made-to-order itemView & order
Bosch mounting bracket for e.g. ZSE28-4MFA 871130442708186106
Mfr. no. 87113044270
€9.31Made-to-order itemView & order
Bosch bush8186748
Mfr. no. 87157050430
€34.27Made-to-order itemView & order
Bosch adjusting key Sit8184005
Mfr. no. 87199050290
€89.39Made-to-order itemView & order
Bosch sight glass for e.g. Turbo Tower HRC 30 Solar 871550616608186211
Mfr. no. 87155061660
€12.43Made-to-order itemView & order
Bosch lead seal8186933
Mfr. no. 87167706360
€60.27Made-to-order itemView & order
Bosch bottom8186332
Mfr. no. 87113044220
€22.83Made-to-order itemView & order
Bosch air vent pipe for e.g. ZSE28-4MFA 871072584408187009
Mfr. no. 87107258440
€62.35Made-to-order itemView & order
Bosch intermediate piece8186829
Mfr. no. 87133056720
€58.19Made-to-order itemView & order
Bosch valwindafleider8189302
Mfr. no. 87155054610
€104.99Not availableView & order
Bosch collector tray set for e.g. ZSE28-4MFA 871800683408187118
Mfr. no. 87180068340
€101.87Made-to-order itemView & order
Bosch combustion chamber for e.g. VRC 24 871540612108187636
Mfr. no. 87154061210
€699.87Made-to-order itemView & order
Nefit sealing disc8030335
Mfr. no. 87103030680
€32.19Made-to-order itemView & order
Nefit clamping bracket for e.g. WT 10 AM E 871130428708036082
Mfr. no. 87113042870
€25.95Made-to-order itemView & order
Nefit test nipple (10 x)8030220
Mfr. no. 87033051910
€23.87Made-to-order itemView & order
Nefit ignition bridge for e.g. F 4055HE-N 871130433708030184
Mfr. no. 87113043370
€31.15Made-to-order itemView & order

Fault code on your Bosch ZWE28-4MFA? This is the part type involved

Common Bosch fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: Bosch fault codes.

CodeWhat is going onPart type
2P564Temperature sensor temperature rising too fast (> 70 K/min).Sensors
8C373The burner thermostat has measured an excessive temperature more often than permitted.Burners
8C374Insufficient ionisation current has been measured during firing more often than permitted.Ignition and ionisation
9A235The KIM is too new for the burner control unit.Burners
9U233The burner control unit or the KIM is faulty.Burners
214 VFan switched off during safety timeFans

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

Other Bosch boilers

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Frequently asked questions

Which parts are available for the Bosch ZWE28-4MFA?

The catalogue lists 115 original parts for the Bosch ZWE28-4MFA, including fans, sensors, temperature sensors and NTC sensors, flow sensors and flow switches. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the Bosch ZWE28-4MFA cost?

The fans for this model cost €305.79 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Bosch ZWE28-4MFA in stock?

13 of the 115 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 Bosch ZWE28-4MFA?

Search for the part by part number or use the parts list of the Bosch ZWE28-4MFA.

Are these original Bosch parts?

Yes. All 115 parts in this list are original manufacturer parts for the Bosch ZWE28-4MFA, delivered with the correct part number.

How much do parts for the Bosch ZWE28-4MFA cost?

Parts for the Bosch ZWE28-4MFA range from €4.08 to €672.74 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.
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