Hamworthy
Hamworthy PRV Assy Unvented 22 mm 531905022
Hamworthy pressure relief valve assembly for unvented 22 mm hot water systems, part number 531905022.
£171.29
£142.74 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
The Hamworthy PRV Assy Unvented 22 mm is a pressure relief valve assembly supplied under part number 531905022. It is manufactured by Hamworthy and is listed in the boiler category of its spare parts range. The assembly forms part of the pressure relief arrangement for an unvented hot water system, where it limits pressure build-up within the system.
Before you order
- Confirm the system is unvented and that the 22 mm connection matches the existing valve and pipework.
- Check the existing part number or the appliance documentation to verify compatibility with your Hamworthy unit.
- Ensure the replacement is installed and commissioned in line with the manufacturer's instructions and applicable regulations.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HAMWORTHY HAMWORTHY SPARE PARTS | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.