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Sheath Element L=635 Mm

Part number (MPN)
345400
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Parts for the same appliances

OEM Replacement Part & Compatibility Table

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Guide price (£)
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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

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

Frequently asked questions

Which appliances does 345400 fit?

The sources we checked list 345400 (Sheath Element L=635 Mm, Ariston) for: PERFORMANCE 500 HEATER ELEC, PERFORMANCE PLUS 500 HTR ELEC. Always check the model and serial number on the data plate before ordering.

Does 345400 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 345400. Ask a Ariston stockist to confirm.

What should I check before fitting 345400?

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.

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Some lists are dated and the part may have been superseded.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