Elco (Rendamax) R500/502 SP spare parts

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In brief

Instalpunt supplies 88 original parts for the Elco (Rendamax) R500/502 SP, including fans, temperature sensors and NTC sensors, flow sensors and flow switches. Order online.

88Spare parts
18In stock
€8.47From
21Types

Looking for parts for the Elco (Rendamax) R500/502 SP (boiler)? Below are all 88 original parts, grouped by part type. Choose a type to jump straight to the right table.

Quick left to the right part for the Elco (Rendamax) R500/502 SP

Part	From	Delivery
Fan Rendamax fan old no.: RVA081BS	€509.71	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 Rendamax ionisation electrode	€61.51	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 Rendamax sensor 5k flue gas r600 flow sensor old	€87.43	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 Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) fans →

Part	Item no. / mfr. no.	Price	Stock
Rendamax fan old no.: RVA081BS	8551940 Mfr. no. 64280528	€509.71	In stock	View & order

Temperature sensors and NTC sensors for the Elco (Rendamax) R500/502 SP (3) all Elco (Rendamax) temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Rendamax sensor 5k flue gas r600 flow sensor old	8551924 Mfr. no. 12084575	€87.43	In stock	View & order
Rendamax sensor 1k old no.: RTV080	8551927 Mfr. no. 64921173	€99.31	Made-to-order item	View & order
Rendamax sensor SPFS DHW E8/KKM8 old no.: RTV070	8551925 Mfr. no. 64921172	€94.99	Made-to-order item	View & order

Flow sensors and flow switches for the Elco (Rendamax) R500/502 SP (1)

Part	Item no. / mfr. no.	Price	Stock
Rendamax flow switch old no.: RSS008	8551893 Mfr. no. 64201474	€1,044.31	Made-to-order item	View & order

Pressure switches and differential pressure switches for the Elco (Rendamax) R500/502 SP (2) all Elco (Rendamax) pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Rendamax air pressure monitor	8552136 Mfr. no. 64280407	€128.47	In stock	View & order
Rendamax min. gas pressure switch old no.: RSD020	8551885 Mfr. no. 64401601	€121.99	Made-to-order item	View & order

Gas valves and gas control for the Elco (Rendamax) R500/502 SP (2) all Elco (Rendamax) gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Rendamax gas valve old no.: RKH150CS	8551665 Mfr. no. 65000260	€328.27	Made-to-order item	View & order
Rendamax venturi 45.900.446-051B R301-R502 old no.: RKV011CS	8551706 Mfr. no. 65000270	€164.11	Made-to-order item	View & order

PCBs and controls for the Elco (Rendamax) R500/502 SP (2) all Elco (Rendamax) PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Rendamax cxe expansion PCB old no.: REM006AAAS	8551615 Mfr. no. 64280310-01	€685.75	In stock	View & order
Rendamax COCO2 old no.: RCC006	8551594 Mfr. no. 64200564	€165.19	Made-to-order item	View & order

Burner control units for the Elco (Rendamax) R500/502 SP (2) all Elco (Rendamax) burner control units →

Part	Item no. / mfr. no.	Price	Stock
Rendamax burner control unit KM628 ZW/CVI type 1/2 old no.: RBA058SS	8551578 Mfr. no. 65000243-01	€1,146.91	Made-to-order item	View & order
Rendamax burner control unit KM628 ZW/CVI type 1/2 old no.: RBA058NS	8551573 Mfr. no. 65000238-01	€1,366.15	Made-to-order item	View & order

Ignition and ionisation for the Elco (Rendamax) R500/502 SP (2) all Elco (Rendamax) ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ionisation electrode	8551606 Mfr. no. 64201562	€61.51	In stock	View & order
Rendamax ignition pin	8552127 Mfr. no. 64202263	€61.51	In stock	View & order

Siphons and condensate drains for the Elco (Rendamax) R500/502 SP (2) all Elco (Rendamax) siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Rendamax siphon for 2708	8552129 Mfr. no. 64201836	€52.87	In stock	View & order
Rendamax condensate tray R302, R502 old no.: 502R1A1AS	8550766 Mfr. no. 65108014	€1,298.11	Made-to-order item	View & order

Thermostats and controls for the Elco (Rendamax) R500/502 SP (1)

Part	Item no. / mfr. no.	Price	Stock
Rendamax thermostat imit ls1 3m capillary old no.: RTR105AS	8551915 Mfr. no. 64300004	€61.51	In stock	View & order

Burners for the Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) burners →

Part	Item no. / mfr. no.	Price	Stock
Rendamax burner/heat exchanger old no.: 502URAS	8550769 Mfr. no. 64201505	€20,057.71	Made-to-order item	View & order

Valves for the Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) valves →

Part	Item no. / mfr. no.	Price	Stock
Rendamax fill/drain valve 1/2 old no.: RAK008	8551551 Mfr. no. 64211228	€76.63	Made-to-order item	View & order

Electrical parts for the Elco (Rendamax) R500/502 SP (7) all Elco (Rendamax) electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ignition transformer ETH007E old number: ETH007ES	8551998 Mfr. no. 64201641	€188.95	In stock	View & order
Rendamax relay Allen Bradley 100-K09-KF10 old no.: ERT031	8551312 Mfr. no. 64201538	€150.07	Made-to-order item	View & order
Rendamax relay Finder 55.34, 8230.0040 old no.: ERH031	8551296 Mfr. no. 64211221	€72.31	Made-to-order item	View & order
Rendamax relay conversion kit incl. thermal relay old no.: ERT031AS	8551313 Mfr. no. 64201539	€339.07	Made-to-order item	View & order
Rendamax relay base Finder time relay old no.: ERV011	8551318 Mfr. no. 64211314	€67.99	Made-to-order item	View & order
Rendamax isolating transformer VE016 160VA old no.: ETS005	8551358 Mfr. no. 64211410	€393.07	Made-to-order item	View & order
Rendamax power transformer for KM628 220/24-15-11V old no.: ETR055	8551357 Mfr. no. 64202438	€248.35	Made-to-order item	View & order

Conversion kits for the Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) conversion kits →

Part	Item no. / mfr. no.	Price	Stock
Rendamax conversion kit old no.: Y01G1BS	8551994 Mfr. no. 65000354	€49.63	Made-to-order item	View & order

Cables and wiring harnesses for the Elco (Rendamax) R500/502 SP (7) all Elco (Rendamax) cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ionisation cable old no.: EVD001GS	8551372 Mfr. no. 65108204	€219.19	Made-to-order item	View & order
Rendamax cable old no.: ESK160AS	8551329 Mfr. no. 64210209	€231.07	Made-to-order item	View & order
Rendamax cable old no.: ESK240	8551333 Mfr. no. 65000454	€101.47	Made-to-order item	View & order
Rendamax cable old no.: EVS455AS	8551391 Mfr. no. 64201514	€246.19	Made-to-order item	View & order
Rendamax cable old no.: EKB050	8551268 Mfr. no. 65108168	€100.39	Made-to-order item	View & order
Rendamax ignition cable old no.: ESB025	8551324 Mfr. no. 12067866	€100.39	Made-to-order item	View & order
Rendamax PC communication set old no.: EIO005AS	8551266 Mfr. no. 64200885	€1,045.39	Made-to-order item	View & order

Gasket sets for the Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) gasket sets →

Part	Item no. / mfr. no.	Price	Stock
Rendamax seal kit R302, R502 old no.: 502U2AS	8550768 Mfr. no. 65108015	€630.67	Made-to-order item	View & order

Gaskets and seals for the Elco (Rendamax) R500/502 SP (14) all Elco (Rendamax) gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Rendamax gasket old no.: CRS005	8551161 Mfr. no. 64200264	€44.23	In stock	View & order
Rendamax O-ring old no.: ARO305	8551090 Mfr. no. 65108143	€55.03	Made-to-order item	View & order
Rendamax gasket old no.: 502R104	8550765 Mfr. no. 12037660	€105.79	Made-to-order item	View & order
Rendamax gasket old no.: ARP321	8551117 Mfr. no. 64200986	€52.87	Made-to-order item	View & order
Rendamax gasket old no.: ARP331	8551118 Mfr. no. 64200984	€52.87	Made-to-order item	View & order
Rendamax gasket old no.: 500W1AS	8550741 Mfr. no. 12037561	€335.83	Made-to-order item	View & order
Rendamax gasket old no.: DSN065	8551232 Mfr. no. 17017057	€53.95	Made-to-order item	View & order
Rendamax gasket old no.: 500WWBS	8552005 Mfr. no. 64201675	€575.59	Made-to-order item	View & order
Rendamax gasket old no.: ARP271	8551113 Mfr. no. 64200325	€35.59	Made-to-order item	View & order
Rendamax gasket old no.: TR00V101BS	8551980 Mfr. no. 65000350	€99.31	Made-to-order item	View & order
Rendamax gasket old no.: ARP340	8551119 Mfr. no. 64201334	€52.87	Made-to-order item	View & order
Rendamax gasket old no.: ARP345	8551120 Mfr. no. 12076699	€52.87	Made-to-order item	View & order
Rendamax gasket old no.: ARP055AS	8551099 Mfr. no. 12016166	€115.51	Made-to-order item	View & order
Rendamax gasket old no.: 502M121	8550763 Mfr. no. 12037583	€94.99	In stock	View & order

Pipes, tubes and hoses for the Elco (Rendamax) R500/502 SP (11) all Elco (Rendamax) pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Rendamax immersion sleeve 1/2 old no.: RTP013	8551902 Mfr. no. 17006755	€105.79	Made-to-order item	View & order
Rendamax immersion sleeve 1/4 d7.2 mm old no.: RTP066	8551904 Mfr. no. 64200061	€395.23	Made-to-order item	View & order
Rendamax immersion sleeve 1/4 d8.5 mm old no.: RTP085	8551906 Mfr. no. 64200059	€120.91	Made-to-order item	View & order
Rendamax elbow 1/4 x 8 mm old no.: FKM190	8551417 Mfr. no. 64200854	€62.59	Made-to-order item	View & order
Rendamax elbow 1/8 x 8 mm old no.: FKM185	8551416 Mfr. no. 64200855	€62.59	Made-to-order item	View & order
Rendamax coupling old no.: FKM195	8551418 Mfr. no. 64200853	€61.51	Made-to-order item	View & order
Rendamax plastic hose old no.: DSN005	8551213 Mfr. no. 64280527	€71.23	Made-to-order item	View & order
Rendamax heat distribution piece IP centre 2 old no.: 501WRB1AS	8550760 Mfr. no. 65108010	€1,042.15	Made-to-order item	View & order
Rendamax heat distribution piece IP centre 3 pass R301, R501 old no.: 501WRA1AS	8550759 Mfr. no. 65108009	€968.71	Made-to-order item	View & order
Rendamax heat distribution piece IP R301-R304, R501-R504 old no.: 501BRA1AS	8550744 Mfr. no. 65107999	€711.67	Made-to-order item	View & order
Rendamax flow piece IP R301-R304, R501-R504 old no.: 501BZB1AS	8550746 Mfr. no. 65108001	€2,635.15	Made-to-order item	View & order

Casing and panels for the Elco (Rendamax) R500/502 SP (3) all Elco (Rendamax) casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Rendamax top plate R302, R502 old no.: 502M1MBAS	8550764 Mfr. no. 65108013	€347.71	Made-to-order item	View & order
Rendamax radiation plate rear complete old no.: 502W1N1AS	8550772 Mfr. no. 65108018	€200.83	Made-to-order item	View & order
Rendamax radiation plate front complete old no.: 502W1P1AS	8550773 Mfr. no. 65108019	€206.23	Made-to-order item	View & order

Insulation for the Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) insulation →

Part	Item no. / mfr. no.	Price	Stock
Rendamax air damper insulation old no.: GIN070AS	8551495 Mfr. no. 64210700	€423.31	Made-to-order item	View & order

Fixing material for the Elco (Rendamax) R500/502 SP (1) all Elco (Rendamax) fixing material →

Part	Item no. / mfr. no.	Price	Stock
Rendamax Tesilock nut M4 self-locking old no.: BMV009	8551142 Mfr. no. 17004599	€60.43	Made-to-order item	View & order

Other parts for the Elco (Rendamax) R500/502 SP (22)

Part	Item no. / mfr. no.	Price	Stock
Rendamax sight glass complete old no.: DBG010AS	8551175 Mfr. no. 12083849	€130.63	In stock	View & order
Rendamax on/off switch old no.: ELS032AS	8551286 Mfr. no. 64200294	€45.31	In stock	View & order
Rendamax spark plug cap ignition/ionisation electrode old no.: EVD003	8551373 Mfr. no. 64210410	€37.75	In stock	View & order
Rendamax spark plug cap ionisation electrode old no.: EVD001HS	8552107 Mfr. no. 64210409	€25.87	In stock	View & order
Rendamax silicone sealant high temperature (red) old no.: VKS005	8551986 Mfr. no. 64200009	€88.51	In stock	View & order
Rendamax aluminium tape 75 x 50000 old no.: DTA005	8551238 Mfr. no. 65108158	€94.99	Made-to-order item	View & order
Rendamax auxiliary relay conversion kit old no.: ERH086AS	8551303 Mfr. no. 65000185	€120.91	Made-to-order item	View & order
Rendamax boiler foot adjustable R600 old no.: GIL100AS	8551490 Mfr. no. 64200820	€55.03	Made-to-order item	View & order
Rendamax sight glass complete old no.: DBG010	8551174 Mfr. no. 64200929	€134.95	Made-to-order item	View & order
Rendamax test nipple old no.: RKD001	8551640 Mfr. no. 64211101	€16.15	In stock	View & order
Rendamax bypass piece R301-R507 old no.: 500WRE1AS	8550742 Mfr. no. 65107997	€1,869.43	Made-to-order item	View & order
Rendamax bypass piece l.b. R300/R500 old no.: 500BRC1AS	8550740 Mfr. no. 65107996	€2,246.35	Made-to-order item	View & order
Rendamax return piece IP R301, R501 old no.: 501WZD1AS	8550762 Mfr. no. 65108012	€935.23	Made-to-order item	View & order
Rendamax choke coil old no.: ETN025	8551354 Mfr. no. 12016276	€136.03	Made-to-order item	View & order
Rendamax snap fastener R6605 old no.: BSS090	8551144 Mfr. no. 64200502	€48.55	Made-to-order item	View & order
Rendamax time relay Finder 85.02.8.240 old no.: ERT027	8551311 Mfr. no. 17008295	€151.15	Made-to-order item	View & order
Rendamax Gluecon 1000 heat-resistant adhesive 64210202 old no.	8551987 Mfr. no. 64210202	€72.31	Made-to-order item	View & order
Rendamax Omnivisc 1050 64210199 old no.: VLS003	8551988 Mfr. no. 64210199	€116.59	Made-to-order item	View & order
Rendamax Permabond A1312 64200600 old no.: VLS050	8551990 Mfr. no. 64200600	€141.43	In stock	View & order
Rendamax Permabond LH197 65000351 old no.: VLS053	8551991 Mfr. no. 65000351	€118.75	Made-to-order item	View & order
Rendamax Permabond MH052 65000353 old no.: VLS059	8551993 Mfr. no. 65000353	€164.11	Made-to-order item	View & order
Rendamax Permabond old no.: VLS058	8551992 Mfr. no. 65000352	€152.23	Made-to-order item	View & order

Fault code on your Elco (Rendamax) R500/502 SP? 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
11	Incorrect flame signal. An ionisation current higher than 1 µA was measured while the burner was off.	Ignition and ionisation

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) R500/502 SP?

The catalogue lists 88 original parts for the Elco (Rendamax) R500/502 SP, including fans, 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 fan for the Elco (Rendamax) R500/502 SP cost?

The fans for this model cost €592.76 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Elco (Rendamax) R500/502 SP in stock?

18 of the 88 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) R500/502 SP?

Search for the part by part number or use the parts list of the Elco (Rendamax) R500/502 SP.

Are these original Elco (Rendamax) parts?

Yes. All 88 parts in this list are original manufacturer parts for the Elco (Rendamax) R500/502 SP, delivered with the correct part number.

How much do parts for the Elco (Rendamax) R500/502 SP cost?

Parts for the Elco (Rendamax) R500/502 SP range from €8.47 to €22,934.34 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.