Elco (Rendamax) R600/604 KM 628 spare parts

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In brief

Instalpunt supplies 71 original parts for the Elco (Rendamax) R600/604 KM 628, including fans, temperature sensors and NTC sensors, flow sensors and flow switches. Order online.

71Spare parts
9In stock
€51.98From
19Types

Looking for parts for the Elco (Rendamax) R600/604 KM 628 (boiler)? Below are all 71 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) R600/604 KM 628

Part	From	Delivery
Ignition part Rendamax ionisation electrode	€61.00	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).
Flow sensor Elco Caleffi flow switch (Rendamax)	€301.99	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 outdoor sensor 1k old no.: RTV015	€78.14	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) R600/604 KM 628 (1) all Elco (Rendamax) fans →

Part	Item no. / mfr. no.	Price	Stock
Rendamax fan old no.: RVA074AS	8551939 Mfr. no. 12084311	€926.42	Made-to-order item	View & order

Temperature sensors and NTC sensors for the Elco (Rendamax) R600/604 KM 628 (6) 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	€86.71	In stock	View & order
Rendamax outdoor sensor 1k old no.: RTV015	8551919 Mfr. no. 64921170	€78.14	In stock	View & order
Rendamax flow sensor comp. R600 old no.: EVS455CS	8551393 Mfr. no. 12084597	€203.46	Made-to-order item	View & order
Rendamax flue gas sensor comp. R600 old no.: EVS455DS	8551394 Mfr. no. 12084608	€334.13	Made-to-order item	View & order
Rendamax sensor 1k old no.: RTV080	8551927 Mfr. no. 64921173	€98.48	Made-to-order item	View & order
Rendamax sensor SPFS DHW E8/KKM8 old no.: RTV070	8551925 Mfr. no. 64921172	€94.20	Made-to-order item	View & order

Flow sensors and flow switches for the Elco (Rendamax) R600/604 KM 628 (1)

Part	Item no. / mfr. no.	Price	Stock
Elco Caleffi flow switch (Rendamax)	8551892 Mfr. no. 64210206-01	€301.99	In stock	View & order

Pressure switches and differential pressure switches for the Elco (Rendamax) R600/604 KM 628 (4) all Elco (Rendamax) pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Rendamax pressure switch old no.: RSD060	8551887 Mfr. no. 12084366	€216.31	Made-to-order item	View & order
Rendamax pressure switch old no.: RSV040	8551899 Mfr. no. 64201242	€232.37	Made-to-order item	View & order
Rendamax pressure switch old no.: RSD055	8551886 Mfr. no. 64201241	€871.80	Made-to-order item	View & order
Rendamax min. gas pressure switch old no.: RSD020	8551885 Mfr. no. 64401601	€120.98	Made-to-order item	View & order

Heat exchangers for the Elco (Rendamax) R600/604 KM 628 (1) all Elco (Rendamax) heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Rendamax heat exchanger old no.: 604W1AS	8550912 Mfr. no. 12083717	€7,517.82	Made-to-order item	View & order

Gas valves and gas control for the Elco (Rendamax) R600/604 KM 628 (3) all Elco (Rendamax) gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Rendamax gas valve old no.: RKH205DS	8551673 Mfr. no. 12084498	€220.60	Made-to-order item	View & order
Rendamax gas valve old no.: RKH207	8551674 Mfr. no. 65000444	€2,269.56	Made-to-order item	View & order
Rendamax injector 11.0 mm old no.: RIS076	8551635 Mfr. no. 64201569	€94.20	Made-to-order item	View & order

PCBs and controls for the Elco (Rendamax) R600/604 KM 628 (3) 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	€680.09	In stock	View & order
Rendamax COCO2 old no.: RCC006	8551594 Mfr. no. 64200564	€163.82	Made-to-order item	View & order
Rendamax E8 group controller old no.: RBM021AS	8551592 Mfr. no. 65000252	€637.24	Made-to-order item	View & order

Burner control units for the Elco (Rendamax) R600/604 KM 628 (1) all Elco (Rendamax) burner control units →

Part	Item no. / mfr. no.	Price	Stock
Rendamax burner control unit KM628 R602-R607 old no.: RBA058XS	8551583 Mfr. no. 12087138-01	€1,083.88	Made-to-order item	View & order

Ignition and ionisation for the Elco (Rendamax) R600/604 KM 628 (1) all Elco (Rendamax) ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ionisation electrode	8551606 Mfr. no. 64201562	€61.00	In stock	View & order

Siphons and condensate drains for the Elco (Rendamax) R600/604 KM 628 (1) all Elco (Rendamax) siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Rendamax condensate tray R604 bottom fix.	8552190 Mfr. no. 64201967	€1,198.49	Made-to-order item	View & order

Thermostats and controls for the Elco (Rendamax) R600/604 KM 628 (1)

Part	Item no. / mfr. no.	Price	Stock
Rendamax thermostat imit ls1 3m capillary old no.: RTR105AS	8551915 Mfr. no. 64300004	€61.00	In stock	View & order

Valves for the Elco (Rendamax) R600/604 KM 628 (3) all Elco (Rendamax) valves →

Part	Item no. / mfr. no.	Price	Stock
Rendamax air vent Spirotop 1/2 old no.: RAO020	8551557 Mfr. no. 17013674	€240.95	Made-to-order item	View & order
Rendamax safety valve old no.: ROV015	8551792 Mfr. no. 64201239	€715.43	Made-to-order item	View & order
Rendamax fill/drain valve 1/2 old no.: RAK008	8551551 Mfr. no. 64211228	€76.00	Made-to-order item	View & order

Pressure gauges for the Elco (Rendamax) R600/604 KM 628 (1)

Part	Item no. / mfr. no.	Price	Stock
Rendamax pressure gauge 1/4 0-6 bar old no.: ROM015	8551773 Mfr. no. 64201240	€103.85	Made-to-order item	View & order

Electrical parts for the Elco (Rendamax) R600/604 KM 628 (4) all Elco (Rendamax) electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ignition transformer ETH007E old number: ETH007ES	8551998 Mfr. no. 64201641	€187.39	In stock	View & order
Rendamax relay Allen Bradley 100-K09-KF10 old no.: ERT031	8551312 Mfr. no. 64201538	€148.82	Made-to-order item	View & order
Rendamax relay Finder 55.52.8.120.5000 old no.: ERH085	8551301 Mfr. no. 12084641	€70.64	Made-to-order item	View & order
Rendamax relay Tyco Schrack old no.: ERH086	8551302 Mfr. no. 12084652	€64.21	Made-to-order item	View & order

Cables and wiring harnesses for the Elco (Rendamax) R600/604 KM 628 (6) all Elco (Rendamax) cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Rendamax ionisation cable old no.: ESS100AS	8551335 Mfr. no. 12084542	€97.42	Made-to-order item	View & order
Rendamax cable old no.: RKF058AS	8551641 Mfr. no. 12084619	€273.07	Made-to-order item	View & order
Rendamax cable old no.: RKF061AS	8551642 Mfr. no. 12084630	€250.58	Made-to-order item	View & order
Rendamax wiring harness R600 old no.: EKB070	8551278 Mfr. no. 12084520	€1,126.72	Made-to-order item	View & order
Rendamax ignition cable old no.: EKB075	8551279 Mfr. no. 12084531	€144.54	Made-to-order item	View & order
Rendamax fan plug PWM signal R600 old no.: EVS500AS	8551396 Mfr. no. 12084586	€203.46	Made-to-order item	View & order

Gaskets and seals for the Elco (Rendamax) R600/604 KM 628 (3) all Elco (Rendamax) gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Rendamax gasket old no.: ARP030	8551096 Mfr. no. 64201425	€54.58	Made-to-order item	View & order
Rendamax gasket old no.: AVS003AS	8552111 Mfr. no. 64201669	€47.08	Made-to-order item	View & order
Rendamax gasket old no.: CRS007	8551162 Mfr. no. 11001556	€57.79	Made-to-order item	View & order

Pipes, tubes and hoses for the Elco (Rendamax) R600/604 KM 628 (10) all Elco (Rendamax) pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Rendamax flow pipe old no.: 604L1A1AS	8550898 Mfr. no. 12084905	€283.79	Made-to-order item	View & order
Rendamax immersion sleeve 1/2 old no.: RTP010	8551901 Mfr. no. 64200062	€104.92	Made-to-order item	View & order
Rendamax immersion sleeve 1/2 old no.: RTP013	8551902 Mfr. no. 17006755	€104.92	Made-to-order item	View & order
Rendamax air intake box old no.: RAI010	8551549 Mfr. no. 12085070	€607.25	Made-to-order item	View & order
Rendamax return pipe old no.: 604L1B1AS	8550899 Mfr. no. 12084949	€238.80	Made-to-order item	View & order
Rendamax heat distribution piece burner in/out CH R604-R607 old no.: 604B111AS	8550893 Mfr. no. 12084696	€1,109.58	Made-to-order item	View & order
Rendamax heat distribution piece burner reversing CH R604-R607 old no.: 604B112AS	8550894 Mfr. no. 12084718	€953.21	Made-to-order item	View & order
Rendamax heat distribution piece heat exchanger 3 pass CH R604-R607 old no.: 604W111AS	8550909 Mfr. no. 12084740	€1,045.32	Made-to-order item	View & order
Rendamax heat distribution piece heat exchanger in/out CH R604-R607 old no.: 604W113AS	8550911 Mfr. no. 12084784	€1,077.46	Made-to-order item	View & order
Rendamax heat distribution piece heat exchanger reversing CH R604-R607 old no.: 604W112AS	8550910 Mfr. no. 12084762	€1,000.33	Made-to-order item	View & order

Casing and panels for the Elco (Rendamax) R600/604 KM 628 (7) all Elco (Rendamax) casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Rendamax top plate blue R601, R604 old no.: 601P106B1AS	8550852 Mfr. no. 12083992	€276.29	Made-to-order item	View & order
Rendamax top plate grey R601, R604 old no.: 601P106E1AS	8550854 Mfr. no. 12084036	€283.79	Made-to-order item	View & order
Rendamax service top plate R604 old no.: 604M202AS	8550901 Mfr. no. 64201581	€824.68	Made-to-order item	View & order
Rendamax front plate blue R600 old no.: 600P1C1B1AS	8550836 Mfr. no. 12083970	€381.25	Made-to-order item	View & order
Rendamax front plate grey R600 old no.: 600P1C1E1AS	8550838 Mfr. no. 12083981	€1,027.12	Made-to-order item	View & order
Rendamax side plate left R604 old no.: 604P102AS	8550903 Mfr. no. 12084190	€534.42	Made-to-order item	View & order
Rendamax side plate right R604 old no.: 604P101AS	8550902 Mfr. no. 12084113	€503.35	Made-to-order item	View & order

Fixing material for the Elco (Rendamax) R600/604 KM 628 (2) all Elco (Rendamax) fixing material →

Part	Item no. / mfr. no.	Price	Stock
Rendamax spacer set heat exchanger old no.: 600B114AS	8550835 Mfr. no. 64201536	€253.80	Made-to-order item	View & order
Rendamax sticker set old no.: DPE075AS	8551209 Mfr. no. 12084245	€114.55	Made-to-order item	View & order

Other parts for the Elco (Rendamax) R600/604 KM 628 (12)

Part	Item no. / mfr. no.	Price	Stock
Rendamax sight glass complete old no.: DBG010AS	8551175 Mfr. no. 12083849	€129.55	In stock	View & order
Rendamax on/off switch old no.: ELS032AS	8551286 Mfr. no. 64200294	€44.94	In stock	View & order
Rendamax BM8 weather-compensated controller old no.: RBM006	8551590 Mfr. no. 64200788	€420.89	Made-to-order item	View & order
Rendamax boiler foot adjustable R600 old no.: GIL100AS	8551490 Mfr. no. 64200820	€54.58	Made-to-order item	View & order
Rendamax KKM8 cascade controller old no.: RBM011AS	8551591 Mfr. no. 65000251	€828.96	Made-to-order item	View & order
Rendamax leak tester VPS504 old no.: RLC011	8551714 Mfr. no. 64201535	€644.74	Made-to-order item	View & order
Rendamax mixing system complete old no.: RKH205AS	8551672 Mfr. no. 12085037	€3,868.67	Made-to-order item	View & order
Rendamax bypass piece 1st/CH R604-R607 old no.: 604W104AS	8550907 Mfr. no. 12084806	€623.32	Made-to-order item	View & order
Rendamax bypass piece 2nd/CH R604 old no.: 604W103AS	8550905 Mfr. no. 12084861	€551.56	Made-to-order item	View & order
Rendamax bypass piece burner/CH R604-R607 old no.: 604W105AS	8550908 Mfr. no. 12084828	€631.88	Made-to-order item	View & order
Rendamax thermometer pressure gauge 20-120C 6bar old no.: ROT100	8551781 Mfr. no. 64210901	€112.42	Made-to-order item	View & order
Rendamax time relay Finder 85.02.8.240 old no.: ERT027	8551311 Mfr. no. 17008295	€149.90	Made-to-order item	View & order

Fault code on your Elco (Rendamax) R600/604 KM 628? 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
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
20	Fault in gas valve control V1	Gas valves and gas control
21	Fault in gas valve control V1	Gas valves and gas control
24	Incorrect minimum fan speed	Fans

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) R600/604 KM 628?

The catalogue lists 71 original parts for the Elco (Rendamax) R600/604 KM 628, 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) R600/604 KM 628 cost?

The fans for this model cost €926.42 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Elco (Rendamax) R600/604 KM 628 in stock?

9 of the 71 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 Elco (Rendamax) R600/604 KM 628?

Search for the part by part number or use the parts list of the Elco (Rendamax) R600/604 KM 628.

Are these original Elco (Rendamax) parts?

Yes. All 71 parts in this list are original manufacturer parts for the Elco (Rendamax) R600/604 KM 628, delivered with the correct part number.

How much do parts for the Elco (Rendamax) R600/604 KM 628 cost?

Parts for the Elco (Rendamax) R600/604 KM 628 range from €44.94 to €7,517.82 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.