Bosch HRC 35 TOP (ZWBR8-35A5S0730) spare parts

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In brief

Instalpunt supplies 109 original parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730), including fans, sensors, temperature sensors and NTC sensors. Order online.

109Spare parts
32In stock
€13.57From
24Types

Looking for parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (boiler)? Below are all 109 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 HRC 35 TOP (ZWBR8-35A5S0730)

Part	From	Delivery
Fan Bosch fan for e.g. HRC 30 (ZWB7-26A5S0730) 87172043250	€389.82	In-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 for e.g. HRC 30 (ZWB7-26A5S0730) 87144019990	€74.93	In-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 NTC heat exchanger	€31.01	In-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).
Pump Bosch pump UPMO 15-50 TTAO	€346.98	In-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	€51.36	In-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 HRC 35 TOP (ZWBR8-35A5S0730) (2) all Bosch fans →

Part	Item no. / mfr. no.	Price	Stock
Rewind refurbished fan for Bosch HRS/HRC 35/42 (87172043250)	8930093	€360.90	Made-to-order item	View & order
Bosch fan for e.g. HRC 30 (ZWB7-26A5S0730) 87172043250	8185132 Mfr. no. 87172043250	€389.82	In stock	View & order

Sensors for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch sensors →

Part	Item no. / mfr. no.	Price	Stock
Nefit sensor HR/HRC	8185020 Mfr. no. 87145000870	€36.37	In stock	View & order

Temperature sensors and NTC sensors for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Bosch NTC heat exchanger	8180990 Mfr. no. 87145000540	€31.01	In stock	View & order

Pumps for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch pumps →

Part	Item no. / mfr. no.	Price	Stock
Bosch pump UPMO 15-50 TTAO	8036035 Mfr. no. 8737710972	€346.98	In stock	View & order

Heat exchangers for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (2) all Bosch heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Bosch plate heat exchanger for e.g. HRC 30 (ZWB7-26A5S0730) 87154069500	8184199 Mfr. no. 87154069500	€283.79	Made-to-order item	View & order
Bosch heat exchanger HRS/C 16/22/26/35/42	8127077 Mfr. no. 8737708005	€775.40	Made-to-order item	View & order

Gas valves and gas control for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (2) all Bosch gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Bosch gas valve Junkers CE 427	8126200 Mfr. no. 8738717450	€401.60	Made-to-order item	View & order
Bosch venturi "C"	8185220 Mfr. no. 87082051840	€20.30	In stock	View & order

PCBs and controls for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (2) all Bosch PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Bosch display PCB	8126894 Mfr. no. 87472081500	€403.74	Made-to-order item	View & order
Nefit controller	8181360 Mfr. no. 87174020020	€48.14	Made-to-order item	View & order

Diverter valves and hydroblocks for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch diverter valves and hydroblocks →

Part	Item no. / mfr. no.	Price	Stock
Bosch three-way valve for e.g. HRC 30 (ZWB7-26A5S0730) 87170100620	8184096 Mfr. no. 87170100620	€159.54	In stock	View & order

Ignition and ionisation for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Bosch ignition cable for e.g. HRC 30 (ZWB7-26A5S0730) 87144019990	8185129 Mfr. no. 87144019990	€74.93	In stock	View & order

Expansion vessels for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch expansion vessels →

Part	Item no. / mfr. no.	Price	Stock
Bosch expansion vessel 18 litre	8181031 Mfr. no. 87154072300	€294.49	Made-to-order item	View & order

Siphons and condensate drains for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Bosch siphon HRS/HRC	8184135 Mfr. no. 87107254480	€53.51	In stock	View & order

Burners for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch burners →

Part	Item no. / mfr. no.	Price	Stock
Bosch burner + gasket	8181415 Mfr. no. 87180066580	€352.33	In stock	View & order

Displays and controls for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (2) all Bosch displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Bosch temperature selector knob	8180895 Mfr. no. 87120001040	€51.36	In stock	View & order
Bosch knob 10 pcs	8184222 Mfr. no. 87120000460	€23.52	Made-to-order item	View & order

Maintenance and service kits for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (3)

Part	Item no. / mfr. no.	Price	Stock
Bosch overhaul set water section	8181095 Mfr. no. 87005030540	€32.09	Made-to-order item	View & order
Bosch service set for e.g. HRC 30 (ZWB7-26A5S0730) 87105030310	8184160 Mfr. no. 87105030310	€73.86	Made-to-order item	View & order
Bosch service set for e.g. HRC 30 (ZWB7-26A5S0730) 87199283250	8185266 Mfr. no. 87199283250	€35.29	Made-to-order item	View & order

Valves for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (4) all Bosch valves →

Part	Item no. / mfr. no.	Price	Stock
Bosch safety relief valve 3 bar	8181340 Mfr. no. 87174010120	€40.66	In stock	View & order
Bosch float air vent	8185054 Mfr. no. 87185050140	€40.66	In stock	View & order
Bosch adjustment valve	8184162 Mfr. no. 87133054300	€34.22	Made-to-order item	View & order
Bosch pressure relief valve	8184163 Mfr. no. 87174010160	€25.66	Made-to-order item	View & order

Pressure gauges for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch pressure gauges →

Part	Item no. / mfr. no.	Price	Stock
Bosch pressure gauge for e.g. HRC 30 (ZWB7-26A5S0730) 87172080790	8185172 Mfr. no. 87172080790	€53.51	In stock	View & order

Electrical parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (4) all Bosch electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Bosch fuse set	8185067 Mfr. no. 87445030100	€23.52	Made-to-order item	View & order
Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 19045227300	8185162 Mfr. no. 19045227300	€27.80	Made-to-order item	View & order
Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 19045227400	8185163 Mfr. no. 19045227400	€27.80	Made-to-order item	View & order
Bosch transformer for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87472012690	8185141 Mfr. no. 87472012690	€93.13	Made-to-order item	View & order

Conversion kits for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch conversion kits →

Part	Item no. / mfr. no.	Price	Stock
Bosch gas conversion kit for HRC 35 TOP (ZWBR8-35A5S0730) 7710149041	8186907 Mfr. no. 7710149041	€62.08	Made-to-order item	View & order

Cables and wiring harnesses for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (5) all Bosch cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Bosch cable for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87144019520	8186209 Mfr. no. 87144019520	€23.52	Made-to-order item	View & order
Bosch cable for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87144019680	8187017 Mfr. no. 87144019680	€64.21	Made-to-order item	View & order
Bosch cable set for e.g. HRC 30 (ZWB7-26A5S0730) 87144020860	8180966 Mfr. no. 87144020860	€98.48	In stock	View & order
Bosch plug ZWE..3MFA	8185164 Mfr. no. 87144042260	€47.08	Made-to-order item	View & order
Bosch fan cable	8184045 Mfr. no. 87144112770	€63.14	Made-to-order item	View & order

Gaskets and seals for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (22) all Bosch gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Nefit sealing ring inspection hatch	8185124 Mfr. no. 87101031530	€18.16	In stock	View & order
Bosch burner gasket	8126095 Mfr. no. 87110041680	€36.37	In stock	View & order
Nefit fan gasket	8180559 Mfr. no. 87290001830	€18.16	In stock	View & order
Bosch diaphragm silicone 10 pcs	8184179 Mfr. no. 87005030500	€41.72	In stock	View & order
Nefit gasket flow/return 10 pcs	8184183 Mfr. no. 87101030430	€17.09	In stock	View & order
Nefit gasket DHW + CW 10 pcs	8184184 Mfr. no. 87101030450	€12.80	In stock	View & order
Bosch pump gasket Z/ZW/ZWR 10 pcs	8184185 Mfr. no. 87101030460	€17.09	In stock	View & order
Bosch sealing ring for e.g. HRC II 35 (ZWBR35) 87110042780	8189338 Mfr. no. 87110042780	€19.22	In stock	View & order
Bosch O-ring 17,3 x 2,4 mm 10 pcs	8127011 Mfr. no. 87228353060	€47.08	Made-to-order item	View & order
Nefit gasket ring 1" 10 pcs	8185058 Mfr. no. 87101030140	€25.66	Made-to-order item	View & order
Nefit gasket set 2 x 10 pcs	8185125 Mfr. no. 87101031540	€72.78	Made-to-order item	View & order
Bosch seal gas valve for e.g. HRC 30 (ZWB7-26A5S0730) 87101031650	8185221 Mfr. no. 87101031650	€11.74	Made-to-order item	View & order
Bosch O-ring for e.g. HRC 30 (ZWB7-26A5S0730) 87002050150	8186569 Mfr. no. 87002050150	€32.09	Made-to-order item	View & order
Bosch O-ring for e.g. HRC 30 (ZWB7-26A5S0730) 87102050290	8186583 Mfr. no. 87102050290	€32.09	Made-to-order item	View & order
Bosch O-ring 10 pcs for e.g. HRC 30 (ZWB7-26A5S0730) 87102050560	8186328 Mfr. no. 87102050560	€23.52	Made-to-order item	View & order
Bosch O-ring 10 pcs for e.g. HRC II 35 (ZWBR35) 87102050800	8185166 Mfr. no. 87102050800	€11.74	Made-to-order item	View & order
Bosch O-ring 10 pcs for e.g. HRC 30 (ZWB7-26A5S0730) 87102050850	8185005 Mfr. no. 87102050850	€23.52	Made-to-order item	View & order
Bosch O-ring 10 pcs for e.g. HRC 30 (ZWB7-26A5S0730) 87102050870	8185004 Mfr. no. 87102050870	€25.66	Made-to-order item	View & order
Bosch O-ring for e.g. HRC 30 (ZWB7-26A5S0730) 87402050030	8186560 Mfr. no. 87402050030	€28.87	Made-to-order item	View & order
Bosch O-ring box	8189450 Mfr. no. 87199282530	€137.05	Made-to-order item	View & order
Bosch gasket ring for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87110040980	8186483 Mfr. no. 87110040980	€34.22	Made-to-order item	View & order
Nefit O-ring 10 pcs for e.g. HRC 30 (ZWB7-26A5S0730) 87002051030	8036103 Mfr. no. 87002051030	€24.59	Made-to-order item	View & order

Pipes, tubes and hoses for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (11) all Bosch pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Bosch adapter for e.g. HRC 30 (ZWB7-26A5S0730) 87155044740	8184203 Mfr. no. 87155044740	€50.29	In stock	View & order
Bosch drain pipe for e.g. HRC 30 (ZWB7-26A5S0730) 87107253730	8185226 Mfr. no. 87107253730	€63.14	In stock	View & order
Bosch connector for e.g. HRC 30 (ZWB7-26A5S0730) 87107253740	8185227 Mfr. no. 87107253740	€53.51	In stock	View & order
Bosch connection piece for e.g. HRC 30 (ZWB7-26A5S0730) 87133054810	8184200 Mfr. no. 87133054810	€51.36	Made-to-order item	View & order
Bosch flow pipe for HRC 35 TOP (ZWBR8-35A5S0730) 87107255090	8184089 Mfr. no. 87107255090	€137.05	Made-to-order item	View & order
Bosch flow pipe for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87107255980	8189356 Mfr. no. 87107255980	€218.45	Made-to-order item	View & order
Bosch pipe cold water	8185230 Mfr. no. 87107255140	€61.00	In stock	View & order
Bosch gas pipe 87107255010	8186824 Mfr. no. 87107255010	€49.22	Made-to-order item	View & order
Bosch sleeve + screw	8185224 Mfr. no. 87103052970	€27.80	Made-to-order item	View & order
Bosch return pipe	8185232 Mfr. no. 87107255160	€51.36	Made-to-order item	View & order
Bosch connecting pipe hot for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87107255120	8189254 Mfr. no. 87107255120	€92.06	Made-to-order item	View & order

Casing and panels for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (13) all Bosch casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Bosch cover for e.g. HRC II 35 (ZWBR35) 87110002620	8185242 Mfr. no. 87110002620	€65.28	In stock	View & order
Bosch shield plate for e.g. HRC II 35 (ZWBR35) 87180038360	8189350 Mfr. no. 87180038360	€16.02	In stock	View & order
Bosch cover plates	8185243 Mfr. no. 87110002760	€26.72	Made-to-order item	View & order
Bosch protection light grey for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87172074790	8187456 Mfr. no. 87172074790	€147.76	Made-to-order item	View & order
Bosch protective cover 10 pcs	8189611 Mfr. no. 87105061170	€27.80	Made-to-order item	View & order
Bosch protective cover for e.g. HRC 30 (ZWB7-26A5S0730) 87155033440	8186346 Mfr. no. 87155033440	€23.52	Made-to-order item	View & order
Bosch upper part for e.g. HRC 30 (ZWB7-26A5S0730) 87170021050	8184159 Mfr. no. 87170021050	€73.86	Made-to-order item	View & order
Bosch cover for e.g. HRC 30 (ZWB7-26A5S0730) 87110002190	8185241 Mfr. no. 87110002190	€23.52	Made-to-order item	View & order
Bosch cover for e.g. HRC 30 (ZWB7-26A5S0730) 87113047230	8185247 Mfr. no. 87113047230	€49.22	Made-to-order item	View & order
Bosch cover for e.g. HRC 30 (ZWB7-26A5S0730) 87154063180	8187750 Mfr. no. 87154063180	€370.55	Made-to-order item	View & order
Bosch grey side panels (set)	8185255 Mfr. no. 87155064950	€71.71	Made-to-order item	View & order
Bosch casing for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87154012770	8185252 Mfr. no. 87154012770	€137.05	Made-to-order item	View & order
Bosch panel for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87155065210	8181046 Mfr. no. 87155065210	€76.00	Made-to-order item	View & order

Insulation for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (1) all Bosch insulation →

Part	Item no. / mfr. no.	Price	Stock
Bosch insulation plate	8186744 Mfr. no. 87110030560	€35.29	Made-to-order item	View & order

Fixing material for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (13) all Bosch fixing material →

Part	Item no. / mfr. no.	Price	Stock
Bosch mounting kit flow hood hot water	8126892 Mfr. no. 87103052960	€63.14	In stock	View & order
Bosch screw set 87290002630	8185259 Mfr. no. 87290002630	€64.21	Made-to-order item	View & order
Nefit front plate screw 10 pcs	8184399 Mfr. no. 29106124320	€23.52	Made-to-order item	View & order
Bosch screw 87134010620	8180163 Mfr. no. 87134010620	€23.52	Made-to-order item	View & order
Bosch screw 87134010700	8186206 Mfr. no. 87134010700	€23.52	Made-to-order item	View & order
Bosch screw 87134030290	8186207 Mfr. no. 87134030290	€23.52	Made-to-order item	View & order
Nefit screw 87134010610, 10 pcs	8030103 Mfr. no. 87134010610	€23.52	Made-to-order item	View & order
Nefit screw 87134030130, 10 pcs	8030110 Mfr. no. 87134030130	€23.52	Made-to-order item	View & order
Bosch locking spring for e.g. HRC 30 (ZWB7-26A5S0730) 87147050060	8186344 Mfr. no. 87147050060	€23.52	Made-to-order item	View & order
Bosch clamping bracket for e.g. HRC 30 (ZWB7-26A5S0730) 87113010840	8180011 Mfr. no. 87113010840	€34.22	Made-to-order item	View & order
Bosch plug for e.g. HRC 30 (ZWB7-26A5S0730) 87133011140	8185249 Mfr. no. 87133011140	€11.74	Made-to-order item	View & order
Nefit locking spring (10x) for e.g. HRC 30 (ZWB7-26A5S0730) 87112000150	8021235 Mfr. no. 87112000150	€25.66	Made-to-order item	View & order
Nefit retaining spring (10x) for e.g. HRC 30 (ZWB7-26A5S0730) 87112000160	8021237 Mfr. no. 87112000160	€27.80	Made-to-order item	View & order

Other parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) (13)

Part	Item no. / mfr. no.	Price	Stock
Bosch water section Euro / Cerastar	8181090 Mfr. no. 87170021100	€175.61	In stock	View & order
Nefit grease 30 grams universal	8180761 Mfr. no. 87099184130	€24.59	In stock	View & order
Bosch contact paste 30 grams	8184020 Mfr. no. 87199186580	€64.21	In stock	View & order
Bosch air restrictor for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87110002710	8126083 Mfr. no. 87110002710	€64.21	Made-to-order item	View & order
Bosch gas pipe for e.g. HRC 30 (ZWB7-26A5S0730) 87107254490	8185228 Mfr. no. 87107254490	€104.92	Made-to-order item	View & order
Bosch rubber profile	8185050 Mfr. no. 87107031820	€47.08	Made-to-order item	View & order
Bosch lead seal 10 pcs	8189612 Mfr. no. 87123050230	€27.80	Made-to-order item	View & order
Bosch lead seal 10 pcs	8189377 Mfr. no. 87123050920	€27.80	Made-to-order item	View & order
Bosch washer 10 pcs	8189351 Mfr. no. 87101001900	€47.08	Made-to-order item	View & order
Bosch plugs	8185052 Mfr. no. 87105061990	€27.80	Made-to-order item	View & order
Bosch collector tray for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87180066520	8187317 Mfr. no. 87180066520	€104.92	Made-to-order item	View & order
Bosch connecting pipe	8185231 Mfr. no. 87107255150	€51.36	Made-to-order item	View & order
Bosch water strainer	8184161 Mfr. no. 87005070560	€23.52	Made-to-order item	View & order

Bosch HRC 35 TOP (ZWBR8-35A5S0730) error codes

Is there a code on the display? For each code: what it means for this series, what you can check yourself and which part is usually needed.

Fault code on your Bosch HRC 35 TOP (ZWBR8-35A5S0730)? 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.

Code	What is going on	Part type
2P564	Temperature sensor temperature rising too fast (> 70 K/min).	Sensors
8C373	The burner thermostat has measured an excessive temperature more often than permitted.	Burners
8C374	Insufficient ionisation current has been measured during firing more often than permitted.	Ignition and ionisation
9A235	The KIM is too new for the burner control unit.	Burners
9U233	The burner control unit or the KIM is faulty.	Burners
214 V	Fan switched off during safety time	Fans

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 HRC 35 TOP (ZWBR8-35A5S0730)?

The catalogue lists 109 original parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730), including fans, sensors, temperature sensors and NTC sensors, pumps. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) cost?

The fans for this model cost between €360.90 and €389.82 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) in stock?

32 of the 109 parts are in stock; shipping €9.95 to Austria, Denmark, Italy, Spain and Sweden and €12.95 to the other EU countries, free from €199, 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 HRC 35 TOP (ZWBR8-35A5S0730)?

Search for the part by part number or use the parts list of the Bosch HRC 35 TOP (ZWBR8-35A5S0730).

Are these original Bosch parts?

Yes. All 109 parts in this list are original manufacturer parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730), delivered with the correct part number.

How much do parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) cost?

Parts for the Bosch HRC 35 TOP (ZWBR8-35A5S0730) range from €11.74 to €775.40 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.