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Electrode - Contract/STD/STI

Part number (MPN)
340407

OEM Replacement Part & Compatibility Table

Brand
Guide price (£)
Not available: check the current price with the seller
Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

  • Ariston 500 Std UK Proteck
  • Ariston 500 Sti UK Proteck
  • CONTRACT 125 STI PROTECH ELEC
  • CONTRACT 150 STI PROTECH ELEC
  • CONTRACT 210 STI PROTECH ELEC
  • CONTRACT 300 STI PROTECH ELEC
  • PROTECH 500 STD ELEC
  • PROTECH 500 STI ELEC
  • COMFORT STI 125 PROTECH from s
  • COMFORT STI 150 PROTECH from s
  • COMFORT STI 210 PROTECH from s
  • CONTRACT STD 100 PROTECH
  • CONTRACT STD 125 PROTECH
  • CONTRACT STD 150 PROTECH
  • CONTRACT STD 210 PROTECH
  • CONTRACT STD 300 PROTECH from
  • CONTRACT STI 125 PROTECH
  • CONTRACT STI 150 PROTECH
  • CONTRACT STI 210 PROTECH
  • CONTRACT STI 300 PROTECH from

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 340407 fit?

The sources we checked list 340407 (Electrode - Contract/STD/STI, Ariston) for: Ariston 500 Std UK Proteck, Ariston 500 Sti UK Proteck, CONTRACT 125 STI PROTECH ELEC, CONTRACT 150 STI PROTECH ELEC, CONTRACT 210 STI PROTECH ELEC, CONTRACT 300 STI PROTECH ELEC, PROTECH 500 STD ELEC, PROTECH 500 STI ELEC, COMFORT STI 125 PROTECH from s, COMFORT STI 150 PROTECH from s, COMFORT STI 210 PROTECH from s, CONTRACT STD 100 PROTECH, CONTRACT STD 125 PROTECH, CONTRACT STD 150 PROTECH, CONTRACT STD 210 PROTECH, CONTRACT STD 300 PROTECH from, CONTRACT STI 125 PROTECH, CONTRACT STI 150 PROTECH, CONTRACT STI 210 PROTECH, CONTRACT STI 300 PROTECH from. Always check the model and serial number on the data plate before ordering.

Does 340407 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 340407. Ask a Ariston stockist to confirm.

What should I check before fitting 340407?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Related parts

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.