
SPECIAL OFFERS
Onyx 22mm electrolytic scale inhibitor ONYX22
A 22mm in-line electrolytic scale reducer that alters dissolved hardness salts in mains water to reduce limescale build-up in pipework and appliances.
At a glance
£15.12
£12.60 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 ONYX22 is a 22mm in-line electrolytic scale inhibitor from Onyx. It uses electrolytic principles to alter the structure of hardness salts dissolved in the water, reducing the tendency of limescale to form deposits on pipework and appliances in hard-water areas.
Signs this part needs replacing
- Increasing limescale deposits on pipework, cylinders or heat exchangers despite the unit being fitted
- Reduced water flow or pressure through affected pipework
- Visible corrosion or damage to the unit's housing or connections
- The unit has exceeded its rated service life
Before you order
- Match the part number (ONYX22) printed on your existing unit before ordering
- Isolate the water supply before removing or fitting the unit
- Confirm the pipe connection size is 22mm
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS ONYX Products | — | — | — | |
| SPECIAL OFFERS Onyx Products | — | — | — |
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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