
Oso
Oso Pressure Reducer Valve Cartridge (New Style) 2.1 Bar HRP0260
Pressure reducer valve cartridge rated at 2.1 bar for Oso 16 RD, 16 RI, 20 RD, 20 RI cylinders and Vokera Aquaflow.
£63.52
£52.93 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 Oso Pressure Reducer Valve Cartridge (New Style) is a 2.1 bar pressure reducing cartridge used in Oso hot water cylinders. It fits in the cylinder's inlet control group and regulates incoming mains pressure down to the set 2.1 bar. It is supplied in cartridge form, as indicated by the product name.
Signs this part needs replacing
- The cylinder pressure gauge reads above the set 2.1 bar, or the reading drifts and fluctuates.
- Water discharges from the pressure relief valve or tundish with no other identified cause.
- Flow at hot outlets is noticeably reduced or uneven across outlets.
- The cartridge shows scale build-up, debris or visible damage when inspected.
- The inlet control group operates noisily or erratically.
Before you order
- Confirm the cylinder requires a 2.1 bar pressure setting.
- Check whether the existing cartridge is the new style pattern before ordering.
- Confirm the cylinder model against the fit list above.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| OSO 16 RD | — | — | — | |
| OSO 16 RI | — | — | — | |
| OSO 20 RD | — | — | — | |
| OSO 20 RI | — | — | — | |
| VOKERA Aquaflow | — | — | — |
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.
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