Elco spare parts – 1,214 genuine parts | Instalpunt.com
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Elco spare parts

In short

1,214 original Elco parts for boilers and burners, starting at €7.51 including VAT, listed under the Elco manufacturer number. Open your series, match the part in the exploded view and get it sent to any EU address by tracked parcel for €9.95 or €12.95 depending on country.

  • 1,214Parts
  • 150Series
  • €7.51from
  • 27EU countries

Elco supplies the larger boilers and burners found in apartment blocks, schools and commercial buildings. The parts market for them is thin; we hold over 1,200 items.

Find your Elco series

150 Elco series are in the catalogue; the figure next to each name is how many parts fit it. The series name is on the rating plate — open it for the exploded view and prices.

All Elco series →

Elco fault codes

What does the fault code on your Elco appliance mean? For every code you see the cause and the matching genuine part.

Elco parts that fit the most models

Ranked by how many Elco models each part fits. Prices are refreshed daily and shown with 21% Dutch VAT; the checkout switches to your own country’s VAT rate (EU One-Stop Shop). Prices as of 12 November 2026, including 21% Dutch VAT; checkout applies your country rate.

PartPart numberPrice
Atag water trap pressure sensor8137098€37.75
Rendamax ignition pin8552127€61.51
Rendamax min. gas pressure switch old no.: RSD0208551885€121.99
Rendamax thermostat imit ls1 3m capillary old no.: RTR105AS8551915€61.51
Rendamax ionisation electrode8551606€61.51
Rendamax sensor SPFS DHW E8/KKM8 old no.: RTV0708551925€94.99
Rendamax cxe expansion PCB old no.: REM006AAAS8551615€685.75
Rendamax outdoor sensor 1k old no.: RTV0158551919€78.79
Rendamax power transformer for KM628 220/24-15-11V old no.: ETR0558551357€248.35
Rendamax BM8 weather-compensated controller old no.: RBM0068551590€424.39
Rendamax sight glass complete old no.: DBG010AS8551175€130.63
Rendamax time relay Finder 85.02.8.240 old no.: ERT0278551311€151.15
Elco Caleffi flow switch (Rendamax)8551892€304.51
Rendamax on/off switch old no.: ELS032AS8551286€45.31
Rendamax sensor 1k old no.: RTV0808551927€99.31
Rendamax spark plug cap ignition/ionisation electrode old no.: EVD0038551373€37.75
Rendamax relay base Finder time relay old no.: ERV0118551318€67.99
Rendamax relay Finder 55.34, 8230.0040 old no.: ERH0318551296€72.31
Rendamax relay Allen Bradley 100-K09-KF10 old no.: ERT0318551312€150.07
Rendamax pressure switch old no.: RSV0408551899€234.31
Rendamax pressure switch old no.: RSD0558551886€879.07
Rendamax E8 group controller old no.: RBM021AS8551592€642.55
Rendamax KKM8 cascade controller old no.: RBM011AS8551591€835.87
Rendamax pressure gauge 1/4 0-4 bar old no.: ROM0258551774€59.35
Rendamax room sensor RFB old no.: EBA0558551259€98.23
Rendamax ionisation cable old no.: EVD001AS8551365€219.19
Rendamax pressure gauge 1/4 0-10 old no.: ROM0378551778€275.35
Rendamax plug for flue gas test point old no.: FSA0018551428€16.15
Rendamax air inlet filter old no.: DDF0058551188€65.83
Rendamax cable old no.: EVS455BS8551392€293.71
Rendamax air pressure switch conversion kit old no.: 2800E1EB8550338€564.79
Rendamax air pressure switch conversion kit 240V (UK) old no.: 2800E1EC8550339€671.71
Rendamax siphon hose old no.: DWS0018551247€199.75
Rendamax sensor 5k flue gas r600 flow sensor old8551924€87.43
Rendamax pressure gauge 1/4 0-6 bar old no.: ROM0158551773€104.71
Rendamax gas valve motor old no.: RMK040BS8551723€820.75
Rendamax gas valve motor old no.: RMK121BS8551728€1,347.79
Rendamax burner control unit KM628 safety time 2.2 sec8551345€1,092.91
Rendamax thermometer pressure gauge 20-120C 6bar old no.: ROT1008551781€113.35
Rendamax relay Finder 55.52.8.230.5000 old no.: ERH0808551300€114.43

Some of these items are listed under the name Rendamax. They are the same parts from the same factory with the same manufacturer number — only the label differs.

One series, several versions Within one series, parts can change by production year or by country version. The full designation and serial number on the rating plate settle it; a photo to info@instalpunt.com saves you a parcel back to the Netherlands.

Shipping across the EU

Elco parts ship by PostNL parcel from our warehouse in Alblasserdam near Rotterdam (the Netherlands) across the EU. Shipping costs €9.95 per order to Austria, Denmark, Italy, Spain and Sweden and €12.95 to the other EU countries, VAT included. Free delivery from €199. 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). You pay by credit card, Apple Pay, Pay by Bank, PayPal or Klarna.

To EU countries outside the Netherlands and Belgium we only ship what can go by parcel post: genuine spare parts and small items (thermostats, taps, filters, sensors, pumps, circuit boards and the like), plus electric heating up to 32 kg. Complete appliances — central heating boilers, heat pumps, storage and heat pump water heaters, radiators, split air conditioners — and home batteries are currently not shipped there; compact kitchen water heaters are. Customers in the Netherlands, Belgium, Germany and France have their own sites: instalpunt.nl, instalpunt.be, instalpunt.de and instalpunt.fr.

Everything about shipping, payment and returns →

Frequently asked questions

I live outside the Netherlands. Can I order Elco parts here?

Yes, from any EU member state. Parts and small items travel by tracked PostNL parcel: €9.95 per order to Austria, Denmark, Italy, Spain and Sweden, €12.95 to the other EU countries, free from €199. Complete appliances are not shipped outside the Netherlands and Belgium — see Shipping.

My Elco appliance was installed in another country. Are the parts the same?

Mostly. Elco uses the same manufacturer part numbers across Europe; what changes between countries is the model name on the casing, sometimes the gas type, and the language on the labels. Go by the series on the rating plate and the number on the old part, not by the marketing name.

How do I make sure I order the right Elco part?

Find the series and model on the rating plate, open that series in the catalogue and match the position number in the exploded view. Or e-mail a photo of the rating plate and the old part to info@instalpunt.com — we reply in English with the part number.

Are these original Elco parts or copies?

Original manufacturer parts. All 1,214 items carry the Elco part number, so your engineer can check it is the exact part they would have ordered.

What if it turns out to be the wrong part?

EU consumers have fourteen days to withdraw. Unused parts go back in their packaging; items ordered specially from the manufacturer and parts that have been fitted are the exceptions. Details on the returns page.

Other brands

Guides: EU heating rules, energy prices & repair

What applies across the EU, last reviewed October 2026 — from fossil boiler rules to the 2028 carbon price.

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