Ucp
Ariston 573139 6 bar expansion relief valve - Genus 27
6 bar expansion relief valve for the Ariston Genus 27 BFFI Plus boiler, part number 573139.
At a glance
- Also known as 2081374
- Use a Gas Safe registered engineer
£19.43
£16.19 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
A 6 bar expansion relief valve made for the Ariston Genus 27 BFFI Plus gas combi boiler, part number 573139. It opens proportionally as system pressure rises to stop pressure building to a level that could damage the expansion vessel or other components.
Signs this part needs replacing
- Water dripping or weeping from the discharge pipe
- Boiler losing pressure repeatedly
- Valve fails to reseat fully after opening
- Corrosion or scale visible on the valve body
Before you order
- Isolate and safely depressurise the system before removal
- Match part number 573139 stamped on the old valve
- Use a Gas Safe registered engineer
Compliance
| Barcode / EAN | 5029125623494 |
|---|---|
| Alternative numbers | 2081374 |
No fitment data held for this part.
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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