Onyx
Onyx 1.1/4 Magnetic Filter ONYXFILTER6
Onyx 1.1/4 magnetic filter for central heating systems, capturing black iron oxide and magnetic debris from circulating water.
£180.00
£150.00 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 1.1/4 Magnetic Filter is a magnetic system filter for central heating installations, manufactured by Onyx. It removes black iron oxide and other magnetic debris from circulating system water to help protect the boiler and associated components. It is built with 1.1/4 inch connections.
Signs this part needs replacing
- Black iron oxide or sludge still circulating in the system water despite the filter being fitted
- Radiators heating unevenly or taking noticeably longer to warm up
- Water weeping from the filter housing, cap or seals
- Reduced flow through the filter or across the heating circuit
- The filter no longer retaining captured debris after cleaning
Before you order
- Confirm the pipework connection size required is 1.1/4 inch
- Check there is enough space around the intended installation point for servicing and cleaning
- Verify the filter suits the system type and pipework layout it is being fitted to
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS Onyx | — | — | — |
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.