EU delivery from € 17.95 Stock items ordered before 14:00, dispatched the same working day Delivery across the EU WebwinkelKeur certified Pay securely by card & Klarna
★★★★★9,0/1051 reviews · WebwinkelKeur verified“snelle levering” — Jan Fakkeldij“Motor bedteld voor kunsthaard. Zeer duidelijk welke ik moest bestellen en zeer snel thuis.” — Bert RoosenburgAll reviews →

Bosch ZSE28-4MFA spare parts

In brief

Instalpunt supplies 102 original parts for the Bosch ZSE28-4MFA, including sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches. Order online.

  • 102Spare parts
  • 16In stock
  • €3.92From
  • 17Types

Looking for parts for the Bosch ZSE28-4MFA (boiler)? Below are all 102 original parts, grouped by part type. Choose a type to jump straight to the right table.

Quick links to the right part for the Bosch ZSE28-4MFA

PartFromDelivery
Ignition part
Bosch electrode set complete
€52.45In stock
Temperature sensor
Bosch differential pressure sensor ZWE 24AE
€48.95In stock
Display
Bosch temperature selector knob
€47.95In 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.

Sensors for the Bosch ZSE28-4MFA (1) all Bosch sensors →

PartItem no. / mfr. no.PriceStock
Bosch temperature limiter 110°8181300
Mfr. no. 87172061620
€22.95In stockView & order

Temperature sensors and NTC sensors for the Bosch ZSE28-4MFA (2) all Bosch temperature sensors and NTC sensors →

PartItem no. / mfr. no.PriceStock
Bosch NTC sensor/flow8180980
Mfr. no. 87145000290
€56.95Made-to-order itemView & order
Bosch differential pressure sensor ZWE 24AE8180910
Mfr. no. 87123050510
€48.95In stockView & order

Pressure switches and differential pressure switches for the Bosch ZSE28-4MFA (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
€234.95Made-to-order itemView & order

Diverter valves and hydroblocks for the Bosch ZSE28-4MFA (2) all Bosch diverter valves and hydroblocks →

PartItem no. / mfr. no.PriceStock
Bosch three-way valve motor for e.g. HRC 30 (ZWB7-26A5S0730) 871720434508185134
Mfr. no. 87172043450
€101.95In stockView & order
Bosch three-way valve for e.g. HRC 30 (ZWB7-26A5S0730) 871701006208184096
Mfr. no. 87170100620
€172.95In stockView & order

Ignition and ionisation for the Bosch ZSE28-4MFA (2) all Bosch ignition and ionisation →

PartItem no. / mfr. no.PriceStock
Bosch electrode set complete8181440
Mfr. no. 87181070500
€52.45In stockView & order
Bosch ignition cable ZWE8180215
Mfr. no. 87144018920
€71.95In stockView & order

Burners for the Bosch ZSE28-4MFA (1) all Bosch burners →

PartItem no. / mfr. no.PriceStock
Bosch burner for ZSE28-4MFA 871812048008187685
Mfr. no. 87181204800
€274.95Made-to-order itemView & order

Displays and controls for the Bosch ZSE28-4MFA (1) all Bosch displays and controls →

PartItem no. / mfr. no.PriceStock
Bosch temperature selector knob8180895
Mfr. no. 87120001040
€47.95In stockView & order

Valves for the Bosch ZSE28-4MFA (2) all Bosch valves →

PartItem no. / mfr. no.PriceStock
Bosch air vent valve8185138
Mfr. no. 87185050390
€54.95In stockView & order
Bosch front panel flap 871550660708186043
Mfr. no. 87155066070
€70.95Made-to-order itemView & order

Pressure gauges for the Bosch ZSE28-4MFA (1) all Bosch pressure gauges →

PartItem no. / mfr. no.PriceStock
Bosch pressure gauge for e.g. HRC 30 (ZWB7-26A5S0730) 871720807908185172
Mfr. no. 87172080790
€49.95In stockView & order

Electrical parts for the Bosch ZSE28-4MFA (6) all Bosch electrical parts →

PartItem no. / mfr. no.PriceStock
Bosch transformer for e.g. HRC 30 (ZWB7-26A5S0730) 874720135808184155
Mfr. no. 87472013580
€71.95In stockView & order
Bosch fuse T2.5A (10 pcs)8020119
Mfr. no. 19045213420
€24.95In stockView & order
Bosch fuse set8185067
Mfr. no. 87445030100
€21.95Made-to-order itemView & order
Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 190452273008185162
Mfr. no. 19045227300
€25.95Made-to-order itemView & order
Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 190452274008185163
Mfr. no. 19045227400
€25.95Made-to-order itemView & order
Bosch coding plug (NG)8184043
Mfr. no. 87144111970
€24.95Made-to-order itemView & order

Toilet and cistern parts for the Bosch ZSE28-4MFA (1) all Bosch toilet and cistern parts →

PartItem no. / mfr. no.PriceStock
Bosch connection bend for e.g. ZSE28-4MFA 871570505808187424
Mfr. no. 87157050580
€190.95Made-to-order itemView & order

Cables and wiring harnesses for the Bosch ZSE28-4MFA (2) all Bosch cables and wiring harnesses →

PartItem no. / mfr. no.PriceStock
Bosch connection cable8186925
Mfr. no. 87144020940
€57.95Made-to-order itemView & order
Bosch plug ZWE..3MFA8185164
Mfr. no. 87144042260
€43.95Made-to-order itemView & order

Gaskets and seals for the Bosch ZSE28-4MFA (10) all Bosch gaskets and seals →

PartItem no. / mfr. no.PriceStock
Bosch pump gasket Z/ZW/ZWR 10 pcs8184185
Mfr. no. 87101030460
€15.95In stockView & order
Bosch fan gasket for e.g. VRC 24 871100411308180885
Mfr. no. 87110041130
€29.95Made-to-order itemView & order
Bosch seal for e.g. WT 13 870100403108186781
Mfr. no. 87010040310
€43.95Made-to-order itemView & order
Bosch O-ring 10 pcs for e.g. HRC 30 (ZWB7-26A5S0730) 871020508508185005
Mfr. no. 87102050850
€21.95Made-to-order itemView & order
Bosch O-ring 10 pcs for e.g. HRC 30 (ZWB7-26A5S0730) 871020508708185004
Mfr. no. 87102050870
€23.95Made-to-order itemView & order
Bosch O-ring for e.g. Condens 3000W (ZWB29-3C) 871020509008180199
Mfr. no. 87102050900
€21.95Made-to-order itemView & order
Bosch O-ring for e.g. SZWN 24-6 871991875608187412
Mfr. no. 87199187560
€117.95Made-to-order itemView & order
Bosch O-ring for cylinder tank 10 pcs8185207
Mfr. no. 87167711640
€21.95Made-to-order itemView & order
Bosch gasket 10 pcs8185161
Mfr. no. 29167105290
€21.95Made-to-order itemView & order
Bosch rubber seal set (10 pcs)8180875
Mfr. no. 87110042970
€97.95Made-to-order itemView & order

Pipes, tubes and hoses for the Bosch ZSE28-4MFA (11) all Bosch pipes, tubes and hoses →

PartItem no. / mfr. no.PriceStock
Bosch differential pressure line ZWF 24AE8184136
Mfr. no. 87123050520
€47.95Made-to-order itemView & order
Bosch flow pipe for e.g. ZSE28-4MFA 871072596508187208
Mfr. no. 87107259650
€85.95Made-to-order itemView & order
Bosch double nipple for e.g. ZSE28-4MFA 871330532208186336
Mfr. no. 87133053220
€21.95Made-to-order itemView & order
Bosch double nipple for e.g. ZSE28-4MFA 871330532508186488
Mfr. no. 87133053250
€27.95Made-to-order itemView & order
Bosch gas supply pipe for e.g. ZSE28-4MFA 871072588008187099
Mfr. no. 87107258800
€97.95Made-to-order itemView & order
Bosch coupling for e.g. ZSE28-4MFA 871330502308186828
Mfr. no. 87133050230
€45.95Made-to-order itemView & order
Bosch return pipe for e.g. ZSE28-4MFA 871072585708189320
Mfr. no. 87107258570
€106.95Made-to-order itemView & order
Bosch return pipe for e.g. ZSE28-4MFA 871072596308187011
Mfr. no. 87107259630
€58.95Made-to-order itemView & order
Bosch control line for e.g. ZSE28-4MFA 871072580408186788
Mfr. no. 87107258040
€43.95Made-to-order itemView & order
Bosch connecting pipe for e.g. ZSE28-4MFA 871070588408187095
Mfr. no. 87107058840
€68.95Made-to-order itemView & order
Bosch connecting pipe top for e.g. ZSE28-4MFA 871072596208186920
Mfr. no. 87107259620
€57.95Made-to-order itemView & order

Casing and panels for the Bosch ZSE28-4MFA (10) all Bosch casing and panels →

PartItem no. / mfr. no.PriceStock
Bosch combustion chamber front plate8185045
Mfr. no. 87154021480
€266.95Made-to-order itemView & order
Bosch closure for e.g. HRC 30 (ZWB7-26A5S0730) 871050621008189674
Mfr. no. 87105062100
€26.95Made-to-order itemView & order
Bosch cover plates8185243
Mfr. no. 87110002760
€24.95Made-to-order itemView & order
Bosch shield plate for e.g. VRC 24 871800357708186595
Mfr. no. 87180035770
€29.95Made-to-order itemView & order
Bosch protection light grey for e.g. ZSE28-4MFA 871720748308187494
Mfr. no. 87172074830
€149.95Made-to-order itemView & order
Bosch cover for e.g. HRC 30 (ZWB7-26A5S0730) 871130472308185247
Mfr. no. 87113047230
€45.95Made-to-order itemView & order
Bosch cover for e.g. VRC 24 871800537108189120
Mfr. no. 87180053710
€123.95Made-to-order itemView & order
Bosch frame set8187372
Mfr. no. 87180057160
€131.95Made-to-order itemView & order
Bosch grey side panels (set)8185255
Mfr. no. 87155064950
€66.95Made-to-order itemView & order
Nefit sealing cap gas valve8029435
Mfr. no. 87167706200
€21.95Made-to-order itemView & order

Insulation for the Bosch ZSE28-4MFA (1) all Bosch insulation →

PartItem no. / mfr. no.PriceStock
Bosch insulation set combustion chamber8180900
Mfr. no. 87123032770
€72.95In stockView & order

Fixing material for the Bosch ZSE28-4MFA (28) all Bosch fixing material →

PartItem no. / mfr. no.PriceStock
Bosch cover screw test nipple 10 pcs8185084
Mfr. no. 87134060880
€33.95In stockView & order
Nefit screw 29106194090, 10 pcs8034894
Mfr. no. 29106194090
€21.95Made-to-order itemView & order
Nefit screw 87034010690, 10 pcs8035016
Mfr. no. 87034010690
€22.95Made-to-order itemView & order
Nefit screw 29109521220, 10 pcs8035017
Mfr. no. 29109521220
€21.95Made-to-order itemView & order
Bosch screw 871340301208180132
Mfr. no. 87134030120
€21.95Made-to-order itemView & order
Bosch screw M4x6 10 pcs8180188
Mfr. no. 29144114240
€21.95Made-to-order itemView & order
Bosch screw 871340302908186207
Mfr. no. 87134030290
€21.95Made-to-order itemView & order
Bosch adjusting screw 871990501008186944
Mfr. no. 87199050100
€57.95Made-to-order itemView & order
Nefit screw 4.8x9.5 mm (10 pcs)8020431
Mfr. no. 29106144310
€21.95Made-to-order itemView & order
Nefit screw 29106194540, 10 pcs8030096
Mfr. no. 29106194540
€42.95Made-to-order itemView & order
Nefit screw 29106124240, 10 pcs8030105
Mfr. no. 29106124240
€21.95Made-to-order itemView & order
Nefit screw 29181404100, 10 pcs8030108
Mfr. no. 29181404100
€10.95Made-to-order itemView & order
Nefit screw 87134030130, 10 pcs8030110
Mfr. no. 87134030130
€21.95Made-to-order itemView & order
Nefit screw 87134010580, 10 pcs8030117
Mfr. no. 87134010580
€24.95Made-to-order itemView & order
Bosch spacer 10 pcs8185248
Mfr. no. 87115031970
€43.95Made-to-order itemView & order
Bosch locking spring 10 pcs for e.g. Turbo Tower HRC 30 Solar 871460600208181948
Mfr. no. 87146060020
€29.95Made-to-order itemView & order
Bosch locking spring 10 pcs for e.g. ZSE28-4MFA 871120002008185183
Mfr. no. 87112000200
€21.95Made-to-order itemView & order
Bosch locking spring for e.g. SZWN 24-6 871460600408181949
Mfr. no. 87146060040
€29.95Made-to-order itemView & order
Bosch locking spring 10 pcs for e.g. SZWN 24-6 871614835408185182
Mfr. no. 87161483540
€21.95Made-to-order itemView & order
Bosch locking spring for cylinder tank 10 pcs8185206
Mfr. no. 87147070240
€23.95Made-to-order itemView & order
Bosch locking spring8186302
Mfr. no. 87001070020
€21.95Made-to-order itemView & order
Bosch grommet for e.g. ZSE28-4MFA 871030203108186663
Mfr. no. 87103020310
€31.95Made-to-order itemView & order
Bosch clamping bracket for e.g. VRC 24 871130003208186104
Mfr. no. 87113000320
€9.95Not availableView & order
Bosch clamping bracket for e.g. VRC 24 871130105508180855
Mfr. no. 87113010550
€24.95Made-to-order itemView & order
Bosch support for e.g. VRC 24 871800367608186835
Mfr. no. 87180036760
€45.95Made-to-order itemView & order
Bosch spring for NTC flow sensor8180880
Mfr. no. 87113021180
€21.95Made-to-order itemView & order
Nefit locking spring (10x) for e.g. HRC 30 (ZWB7-26A5S0730) 871120001508021235
Mfr. no. 87112000150
€23.95Made-to-order itemView & order
Nefit retaining spring (10x) for e.g. HRC 30 (ZWB7-26A5S0730) 871120001608021237
Mfr. no. 87112000160
€25.95Made-to-order itemView & order

Other parts for the Bosch ZSE28-4MFA (20)

PartItem no. / mfr. no.PriceStock
Nefit grease 30 grams universal8180761
Mfr. no. 87099184130
€22.95In stockView & order
Bosch contact paste 30 grams8184020
Mfr. no. 87199186580
€59.95In stockView & order
Bosch burner connection part8185178
Mfr. no. 87152090780
€68.95Made-to-order itemView & order
Bosch outlet cover8186347
Mfr. no. 87155054620
€23.95Made-to-order itemView & order
Bosch mounting bracket for e.g. ZSE28-4MFA 871130442708186106
Mfr. no. 87113044270
€8.95Made-to-order itemView & order
Bosch bush8186748
Mfr. no. 87157050430
€32.95Made-to-order itemView & order
Bosch adjusting key Sit8184005
Mfr. no. 87199050290
€85.95Made-to-order itemView & order
Bosch boiler block for e.g. ZSE28-4MFA 871540617708187824
Mfr. no. 87154061770
€466.95Made-to-order itemView & order
Bosch sight glass for e.g. Turbo Tower HRC 30 Solar 871550616608186211
Mfr. no. 87155061660
€11.95Made-to-order itemView & order
Bosch lead seal8186933
Mfr. no. 87167706360
€57.95Made-to-order itemView & order
Bosch bottom8186332
Mfr. no. 87113044220
€21.95Made-to-order itemView & order
Bosch air vent pipe for e.g. ZSE28-4MFA 871072584408187009
Mfr. no. 87107258440
€59.95Made-to-order itemView & order
Bosch intermediate piece8186829
Mfr. no. 87133056720
€55.95Made-to-order itemView & order
Bosch valwindafleider8189302
Mfr. no. 87155054610
€100.95Not availableView & order
Bosch collector tray set for e.g. ZSE28-4MFA 871800683408187118
Mfr. no. 87180068340
€97.95Made-to-order itemView & order
Bosch combustion chamber for e.g. VRC 24 871540612108187636
Mfr. no. 87154061210
€672.95Made-to-order itemView & order
Nefit sealing disc8030335
Mfr. no. 87103030680
€30.95Made-to-order itemView & order
Nefit clamping bracket for e.g. WT 10 AM E 871130428708036082
Mfr. no. 87113042870
€24.95Made-to-order itemView & order
Nefit test nipple (10 x)8030220
Mfr. no. 87033051910
€22.95Made-to-order itemView & order
Nefit ignition bridge for e.g. F 4055HE-N 871130433708030184
Mfr. no. 87113043370
€29.95Made-to-order itemView & order

Fault code on your Bosch ZSE28-4MFA? 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
227 VNo flame signal after ignitionIgnition and ionisation

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

Other Bosch boilers

← All Bosch parts

Frequently asked questions

Which parts are available for the Bosch ZSE28-4MFA?

The catalogue lists 102 original parts for the Bosch ZSE28-4MFA, including sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches, diverter valves and hydroblocks. All parts are listed above, grouped by type, with part number and price.

How much does a sensor for the Bosch ZSE28-4MFA cost?

The sensors for this model cost €21.57 incl. VAT. Check the table "Sensors" above for the right part number.

Are the parts for the Bosch ZSE28-4MFA in stock?

16 of the 102 parts are in stock; shipping to EU countries from €17.95 (€24.95 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 ZSE28-4MFA?

Search for the part by part number or use the parts list of the Bosch ZSE28-4MFA.

Are these original Bosch parts?

Yes. All 102 parts in this list are original manufacturer parts for the Bosch ZSE28-4MFA, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the Bosch ZSE28-4MFA cost?

Parts for the Bosch ZSE28-4MFA range from €3.92 to €616.81 incl. VAT. The exact price of each part is shown in the tables above.

Can I return a part?

You have a 14-day right of withdrawal. Return unused parts, in their original packaging where possible; details are in our returns conditions.
Scroll to Top