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Expansion Relief Valve - 6 Bar - Genus 27

Part number (MPN)
573139
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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 573139 fit?

The sources we checked list 573139 (Expansion Relief Valve - 6 Bar - Genus 27, Ariston) for: GENUS 27 PLUS ED 3 COMBI NG, Ariston Genus 27 Bffi Plus, Ariston Genus 27 Bffi UK. Always check the model and serial number on the data plate before ordering.

Does 573139 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 573139. Ask a Ariston stockist to confirm.

What should I check before fitting 573139?

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Some lists are dated and the part may have been superseded.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.