Elco (Rendamax) R18/210 spare parts

In brief

Instalpunt supplies 101 original parts for the Elco (Rendamax) R18/210, including sensors, temperature sensors and NTC sensors, flow sensors and flow switches. Order online.

101Spare parts
5In stock
€19.60From
21Types

Looking for parts for the Elco (Rendamax) R18/210 (boiler)? Below are all 101 original parts, grouped by part type. Choose a type to jump straight to the right table.

Sensors for the Elco (Rendamax) R18/210 (1)

Part	Item no. / mfr. no.	Price	Stock
Rendamax agm30 old no.: RBF001	8551589 Mfr. no. 17007085	€152.95	Made-to-order item	View & order

Temperature sensors and NTC sensors for the Elco (Rendamax) R18/210 (2) all Elco (Rendamax) temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Rendamax sensor QAD22 old no.: RTV002	8551916 Mfr. no. 64300902	€155.95	Made-to-order item	View & order
Rendamax sensor QAE2120.010 old no.: RTV100	8551930 Mfr. no. 17017680	€359.95	Made-to-order item	View & order

Flow sensors and flow switches for the Elco (Rendamax) R18/210 (1)

Part	Item no. / mfr. no.	Price	Stock
Elco Caleffi flow switch (Rendamax)	8551892 Mfr. no. 64210206-01	€281.95	In stock	View & order

Pressure switches and differential pressure switches for the Elco (Rendamax) R18/210 (4) all Elco (Rendamax) pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Rendamax pressure switch old no.: RSV021	8551897 Mfr. no. 64400401	€517.95	Made-to-order item	View & order
Rendamax pressure switch old no.: RSV026	8551898 Mfr. no. 17006931	€3,174.95	Made-to-order item	View & order
Rendamax pressure switch old no.: RSD016	8551884 Mfr. no. 64201433	€285.95	Made-to-order item	View & order
Rendamax min. gas pressure switch old no.: RSD020	8551885 Mfr. no. 64401601	€112.95	Made-to-order item	View & order

Heat exchangers for the Elco (Rendamax) R18/210 (3) all Elco (Rendamax) heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Rendamax heat exchanger old no.: 8210W299AS	8551036 Mfr. no. 65108115	€18,740.95	Made-to-order item	View & order
Rendamax heat exchanger old no.: 8210W199AS	8551035 Mfr. no. 65108114	€19,836.95	Made-to-order item	View & order
Rendamax heat exchanger R18-210 old no.: 8210WT99AS	8551040 Mfr. no. 65108119	€19,899.95	Made-to-order item	View & order

Gas valves and gas control for the Elco (Rendamax) R18/210 (1) all Elco (Rendamax) gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Rendamax gas valve old no.: RKM003	8551682 Mfr. no. 17016180	€1,972.95	Made-to-order item	View & order

PCBs and controls for the Elco (Rendamax) R18/210 (2) all Elco (Rendamax) PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Rendamax pressure regulator old no.: RDG001	8551595 Mfr. no. 64211210	€140.95	Made-to-order item	View & order
Rendamax controller old no.: RRW031AS	8551879 Mfr. no. 64201537	€2,189.95	Made-to-order item	View & order

Burner control units for the Elco (Rendamax) R18/210 (2) all Elco (Rendamax) burner control units →

Part	Item no. / mfr. no.	Price	Stock
Rendamax burner control unit LFL1.122 old no.: RBA005	8551559 Mfr. no. 64300804	€946.95	Made-to-order item	View & order
Rendamax burner control unit LFL1.148 old no.: RBA004	8551558 Mfr. no. 64200797	€1,161.95	Made-to-order item	View & order

Thermostats and controls for the Elco (Rendamax) R18/210 (3)

Part	Item no. / mfr. no.	Price	Stock
Rendamax thermostat imit ls1 3m capillary old no.: RTR105AS	8551915 Mfr. no. 64300004	€56.95	In stock	View & order
Rendamax thermostat Jumo EMF-1 old no.: RTR054	8551910 Mfr. no. 64211402	€568.95	Made-to-order item	View & order
Rendamax thermostat Jumo ETHF 70/U 20-150C old no.: RTR055	8551911 Mfr. no. 64211405	€588.95	Made-to-order item	View & order

Burners for the Elco (Rendamax) R18/210 (1) all Elco (Rendamax) burners →

Part	Item no. / mfr. no.	Price	Stock
Mueller burner with 2nd ionisation R18 old no.: 0000B1BA	8550002 Mfr. no. 17006524	€248.95	Made-to-order item	View & order

Filters for the Elco (Rendamax) R18/210 (1)

Part	Item no. / mfr. no.	Price	Stock
Rendamax mains filter FN670-6/06 old no.: ETN051	8551356 Mfr. no. 64220079	€183.95	Made-to-order item	View & order

Valves for the Elco (Rendamax) R18/210 (5) all Elco (Rendamax) valves →

Part	Item no. / mfr. no.	Price	Stock
Rendamax air control damper R18-210 old no.: 8210L1K1AS	8551032 Mfr. no. 65108111	€2,596.95	Made-to-order item	View & order
Rendamax solenoid valve 1/4 PV-1000-3302 cable old no.: RKS025BS	8551689 Mfr. no. 65000265	€410.95	Made-to-order item	View & order
Rendamax safety valve old no.: ROH002	8551740 Mfr. no. 17007844	€1,172.95	Made-to-order item	View & order
Rendamax butterfly valve lever set R18-132/280 old no.: 8000G1C1AS	8550963 Mfr. no. 65108062	€1,369.95	Made-to-order item	View & order
Rendamax butterfly valve propane old no.: CKA054	8551153 Mfr. no. 64210010	€762.95	Made-to-order item	View & order

Motors for the Elco (Rendamax) R18/210 (4) all Elco (Rendamax) motors →

Part	Item no. / mfr. no.	Price	Stock
Rendamax gas valve motor old no.: RMK030AS	8551720 Mfr. no. 64300710	€691.95	Made-to-order item	View & order
Rendamax gas valve motor old no.: RMK040AS	8551722 Mfr. no. 64200094	€613.95	Made-to-order item	View & order
Rendamax gas valve motor old no.: RMK120AS	8551725 Mfr. no. 64200092	€807.95	Made-to-order item	View & order
Rendamax gas valve motor old no.: RMK016AS	8551718 Mfr. no. 64300702	€908.95	Made-to-order item	View & order

Electrical parts for the Elco (Rendamax) R18/210 (5) all Elco (Rendamax) electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Rendamax on/off switch old no.: ELS020	8551284 Mfr. no. 64210708	€69.95	Made-to-order item	View & order
Rendamax ignition transformer old no.: ETH007DS	8552002 Mfr. no. 64201670	€201.95	Made-to-order item	View & order
Rendamax relay Finder 55.34, 8230.0040 old no.: ERH031	8551296 Mfr. no. 64211221	€66.95	Made-to-order item	View & order
Rendamax relay base Finder time relay old no.: ERV011	8551318 Mfr. no. 64211314	€62.95	Made-to-order item	View & order
Rendamax isolating transformer VE016 160VA old no.: ETS005	8551358 Mfr. no. 64211410	€363.95	Made-to-order item	View & order

Conversion kits for the Elco (Rendamax) R18/210 (2) all Elco (Rendamax) conversion kits →

Part	Item no. / mfr. no.	Price	Stock
Rendamax conversion kit to natural gas old no.: 8210G1AS	8551030 Mfr. no. 64201028	€477.95	Made-to-order item	View & order
Rendamax conversion kit to propane old no.: 8210G1PS	8551031 Mfr. no. 65108110	€5,494.95	Made-to-order item	View & order

Cables and wiring harnesses for the Elco (Rendamax) R18/210 (11) all Elco (Rendamax) cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ionisation cable old no.: EVD001CS	8551368 Mfr. no. 17007316	€200.95	Made-to-order item	View & order
Rendamax cable old no.: ESK005AS	8551325 Mfr. no. 65108190	€94.95	Made-to-order item	View & order
Rendamax ignition cable old no.: ESB010	8551322 Mfr. no. 64210208	€102.95	Made-to-order item	View & order
Rendamax plug male old no.: EVS030	8551385 Mfr. no. 64200861	€69.95	Made-to-order item	View & order
Rendamax plug male old no.: EVS050	8551387 Mfr. no. 64211116	€83.95	Made-to-order item	View & order
Rendamax plug male old no.: EVS020	8551383 Mfr. no. 64200862	€96.95	Made-to-order item	View & order
Rendamax plug male old no.: EVS010	8551382 Mfr. no. 64200863	€198.95	Made-to-order item	View & order
Rendamax plug female old no.: EVC040	8551363 Mfr. no. 65000401	€70.95	Made-to-order item	View & order
Rendamax plug female old no.: EVC030	8551362 Mfr. no. 17008570	€70.95	Made-to-order item	View & order
Rendamax plug female old no.: EVC010	8551360 Mfr. no. 64200870	€230.95	Made-to-order item	View & order
Rendamax plug set complete R18/R2000 old no.: 2000E1AS	8550006 Mfr. no. 64211098	€223.95	Made-to-order item	View & order

Gaskets and seals for the Elco (Rendamax) R18/210 (6) all Elco (Rendamax) gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Rendamax O-ring old no.: ARO050AS	8551076 Mfr. no. 64201677	€329.95	Made-to-order item	View & order
Rendamax O-ring old no.: ARO110	8551078 Mfr. no. 17007789	€48.95	Made-to-order item	View & order
Rendamax O-ring old no.: DLS020	8551207 Mfr. no. 64200919	€128.95	Made-to-order item	View & order
Rendamax gasket old no.: ARQ035	8551136 Mfr. no. 64210809	€50.95	Made-to-order item	View & order
Rendamax gasket old no.: ARQ010	8551134 Mfr. no. 64210804	€48.95	Made-to-order item	View & order
Rendamax gasket old no.: ARP070	8551104 Mfr. no. 64200995	€50.95	Made-to-order item	View & order

Pipes, tubes and hoses for the Elco (Rendamax) R18/210 (12) all Elco (Rendamax) pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Rendamax flow piece IP tested r18-132/280 old no.: 8000WXB1AS	8550977 Mfr. no. 65108071	€2,163.95	Made-to-order item	View & order
Rendamax flow piece std old no.: 8000W1E1AS	8550966 Mfr. no. 64200213	€2,140.95	Made-to-order item	View & order
Rendamax flow piece intermediate plate r18-132/280 old no.: 8000WAE1AS	8550972 Mfr. no. 65108067	€1,730.95	Made-to-order item	View & order
Rendamax flow piece TÜV tested r18-132/280 old no.: 8000W1J1AS	8550969 Mfr. no. 65108064	€1,186.95	Made-to-order item	View & order
Rendamax adapter frame rwf40 old no.: DDR007	8551189 Mfr. no. 1758803985	€100.95	Made-to-order item	View & order
Rendamax aluminium wire old no.: GDA001AS	8551444 Mfr. no. 65108214	€64.95	Made-to-order item	View & order
Rendamax aluminium tube 6 mm old no.: GBA460AS	8551441 Mfr. no. 64211407	€106.95	Made-to-order item	View & order
Rendamax lead-through block for pilot burner old no.: 0000B102	8550001 Mfr. no. 12067690	€63.95	Made-to-order item	View & order
Rendamax elbow 1/4 x 6 mm old no.: FKM010	8551404 Mfr. no. 64211227	€85.95	Made-to-order item	View & order
Rendamax elbow 1/8 x 6 mm old no.: FKM005	8551403 Mfr. no. 64211226	€70.95	Made-to-order item	View & order
Rendamax coupling old no.: FKM055	8551407 Mfr. no. 64211225	€68.95	Made-to-order item	View & order
Rendamax coupling old no.: FKM050	8551406 Mfr. no. 64211224	€67.95	Made-to-order item	View & order

Casing and panels for the Elco (Rendamax) R18/210 (2) all Elco (Rendamax) casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Rendamax return piece intermediate plate R18-132/280 old no.: 8000WAF1AS	8550973 Mfr. no. 65108068	€1,677.95	Made-to-order item	View & order
Rendamax intermediate plate R18 old no.: 7000W102	8550950 Mfr. no. 64211118	€96.95	Made-to-order item	View & order

Insulation for the Elco (Rendamax) R18/210 (1) all Elco (Rendamax) insulation →

Part	Item no. / mfr. no.	Price	Stock
Rendamax insulation R18 old no.: GIB090AS	8551472 Mfr. no. 17016346	€148.95	Made-to-order item	View & order

Fixing material for the Elco (Rendamax) R18/210 (4) all Elco (Rendamax) fixing material →

Part	Item no. / mfr. no.	Price	Stock
Rendamax insulation spacer r2048, r2105 old no.: 2048S108	8550124 Mfr. no. 17015503	€91.95	Made-to-order item	View & order
Rendamax gas valve shaft natural gas old no.: CKA003	8551151 Mfr. no. 64210003	€112.95	Made-to-order item	View & order
Rendamax stop for butterfly valve housing 2.1/2 old no.: CKB006	8551155 Mfr. no. 17015908	€202.95	Made-to-order item	View & order
Rendamax spring for air damper lever old no.: BVT001	8551147 Mfr. no. 17008845	€218.95	Made-to-order item	View & order

Other parts for the Elco (Rendamax) R18/210 (28)

Part	Item no. / mfr. no.	Price	Stock
Rendamax sight glass complete old no.: DBG010AS	8551175 Mfr. no. 12083849	€120.95	In stock	View & order
Rendamax spark plug cap ionisation electrode old no.: EVD001HS	8552107 Mfr. no. 64210409	€23.95	In stock	View & order
Rendamax connection base for lfl1.148 old no.: RBV004	8551593 Mfr. no. 64300901	€106.95	Made-to-order item	View & order
Rendamax ignition burner universal	8550003 Mfr. no. 64211205	€253.95	In stock	View & order
Rendamax cover profile old no.: 8210B1BS	8551026 Mfr. no. 65108109	€1,443.95	Made-to-order item	View & order
Rendamax bottom grate comp. R18-210 old no.: 8210B1TS	8551027 Mfr. no. 64200616	€2,151.95	Made-to-order item	View & order
Rendamax spark plug cap ionisation electrode old no.: EVD001DS	8551369 Mfr. no. 17015694	€52.95	Made-to-order item	View & order
Rendamax burner hold-down centre R18-210 old no.: 8210B1AS	8551025 Mfr. no. 64211362	€1,318.95	Made-to-order item	View & order
Rendamax dismantling set R18/132-280 old no.: DEMON8000	8551204 Mfr. no. 65108155	€222.95	Made-to-order item	View & order
Rendamax limit switch old no.: RSE002	8551888 Mfr. no. 17008405	€105.95	Made-to-order item	View & order
Rendamax auxiliary relay CS4-P11 old no.: ERB001	8551288 Mfr. no. 65108170	€94.95	Made-to-order item	View & order
Rendamax centre bridge old no.: 8154W1B1	8551005 Mfr. no. 64201031	€196.95	Made-to-order item	View & order
Rendamax reversing piece IP, tested R18-132/280 old no.: 8000WXC1AS	8550978 Mfr. no. 65108072	€1,384.95	Made-to-order item	View & order
Rendamax reversing piece std old no.: 8000W1D1AS	8550965 Mfr. no. 64200215	€1,279.95	Made-to-order item	View & order
Rendamax reversing piece intermediate plate R18-132/280 old no.: 8000WAD1AS	8550971 Mfr. no. 65108066	€770.95	Made-to-order item	View & order
Rendamax reversing piece TUV, tested R18-132/280 old no.: 8000W1H1AS	8550968 Mfr. no. 65108063	€2,344.95	Made-to-order item	View & order
Rendamax return piece IP, tested R18-132/280 old no.: 8000WTA1AS	8550975 Mfr. no. 65108069	€1,897.95	Made-to-order item	View & order
Rendamax return piece std old no.: 8000W1F1AS	8550967 Mfr. no. 64200214	€2,112.95	Made-to-order item	View & order
Rendamax return piece TUV tested R18-132/280 old no.: 8000W1K1AS	8550970 Mfr. no. 65108065	€1,122.95	Made-to-order item	View & order
Rendamax stainless steel wire old no.: GDR002AS	8551445 Mfr. no. 65000455	€108.95	Made-to-order item	View & order
Rendamax signal lamp green old no.: ELL010	8551280 Mfr. no. 64200883	€68.95	Made-to-order item	View & order
Rendamax signal lamp red old no.: ELL011	8551281 Mfr. no. 64211502	€66.95	Made-to-order item	View & order
Rendamax stone holder R18-210 old no.: 8210S1SBBS	8551034 Mfr. no. 65108113	€1,057.95	Made-to-order item	View & order
Rendamax stone set R18-210 old no.: 8210S1SBAS	8551033 Mfr. no. 65108112	€1,939.95	Made-to-order item	View & order
Rendamax thermometer pressure gauge 20-120C 6bar old no.: ROT100	8551781 Mfr. no. 64210901	€104.95	Made-to-order item	View & order
Rendamax butterfly natural gas old no.: 8210G112	8551028 Mfr. no. 17016468	€215.95	Made-to-order item	View & order
Rendamax butterfly valve housing R18-210/280 old no.: 8210G1A1	8551029 Mfr. no. 17017679	€1,301.95	Made-to-order item	View & order
Rendamax grease Molykote BR2 6510 8157 old no.: DLS013	8551206 Mfr. no. 65108157	€90.95	Made-to-order item	View & order

Fault code on your Elco (Rendamax) R18/210? This is the part type involved

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

Code	What is going on	Part type
1	High-limit thermostat (STB) has tripped.	Thermostats and controls
2	Blocking input was interrupted outside burner operation. An external safety device connected to terminals (18 19) has tripped.	Burners
3	Blocking input was interrupted during burner operation	Burners
4	No flame signal during burner start	Burners
7	Max. flue gas thermostat has tripped	Thermostats and controls
12	Defective flow temperature sensor. The measured resistance of the flow temperature sensor is outside the range of –10 to +126°C.	Sensors

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

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Frequently asked questions

Which parts are available for the Elco (Rendamax) R18/210?

The catalogue lists 101 original parts for the Elco (Rendamax) R18/210, including sensors, temperature sensors and NTC sensors, flow sensors and flow switches, pressure switches and differential pressure switches. All parts are listed above, grouped by type, with part number and price.

How much does a sensor for the Elco (Rendamax) R18/210 cost?

The sensors for this model cost €154.20 incl. VAT. Check the table "Sensors" above for the right part number.

Are the parts for the Elco (Rendamax) R18/210 in stock?

5 of the 101 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 Elco (Rendamax) R18/210?

Search for the part by part number or use the parts list of the Elco (Rendamax) R18/210.

Are these original Elco (Rendamax) parts?

Yes. All 101 parts in this list are original manufacturer parts for the Elco (Rendamax) R18/210, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the Elco (Rendamax) R18/210 cost?

Parts for the Elco (Rendamax) R18/210 range from €19.60 to €22,754.00 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.