SPECIAL OFFERS
Onyx 35L Potable Vessel ONYX35LPOT
Onyx 35 litre white potable water vessel with 3/4 connection, 2 bar rating and feet.
At a glance
£54.72
£45.60 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 Onyx 35L potable vessel is a white expansion vessel rated at 2 bar with a 3/4 connection, supplied with feet. It is used in potable water systems to accommodate the expansion of heated water and limit pressure rise within the system. The vessel forms part of the Onyx pressure vessel and accessories range.
Signs this part needs replacing
- The pressure relief valve discharges during heating cycles
- System pressure rises sharply as the water heats
- Water appears at the air valve on the vessel
- Corrosion, weeping or staining around the connection
- The vessel feels heavy or sounds waterlogged when tapped
Before you order
- Confirm a 35 litre capacity suits the system volume and expansion requirement
- Check the system connection matches the 3/4 fitting on the vessel
- Confirm the 2 bar rating is suitable for the system operating pressure
- Check that the supplied feet suit the intended mounting position
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS Pressure Vessels & Accessories | — | — | — |
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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