PartsByCodespare parts by code

Main Flow Switch Diaphragm - DIA/Eurocombi/Genus

Part number (MPN)
571547
Check compatibility

Type your appliance model: we compare it with the 6 appliances in our sources.

Catalogue numberChecked sources
Direct linkseBay and Amazon
Free to useNo sign-up

Parts for the same appliances

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

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

Frequently asked questions

Which appliances does 571547 fit?

The sources we checked list 571547 (Main Flow Switch Diaphragm - DIA/Eurocombi/Genus, Ariston) for: EUROCOMBI A23 MFFI COMBI NG, EUROCOMBI A27 MFFI COMBI NG, GENUS 27 PLUS ED 3 COMBI NG, Ariston Genus 27 RFFI System, DIA SYSTEM 27 RFFI from serial, DIA SYSTEM 27 RFFI LPG from se. Always check the model and serial number on the data plate before ordering.

Does 571547 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 571547. Ask a Ariston stockist to confirm.

What should I check before fitting 571547?

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.

View on eBay

Some lists are dated and the part may have been superseded.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