SPECIAL OFFERS
Onyx A Rated Domestic Circulator ONYXA
A-rated domestic circulator pump for boiler-fed central heating systems.
£43.19
£35.99 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 A Rated Domestic Circulator is a domestic circulation pump used to move water around a boiler-fed central heating circuit. It is an A-rated circulator, intended for domestic heating applications where efficient circulation is required. It is listed for circulation pump applications.
Signs this part needs replacing
- Radiators fail to heat, or heat unevenly across the system
- The pump is noisy in operation, with humming, whining or grinding
- The boiler locks out or reports a circulation fault
- Water is leaking from the pump body or its connections
- The pump does not run despite the system calling for heat
Before you order
- Check your appliance model against the manufacturer's parts list
- Compare the existing pump's part number and rating with this one
- Confirm the pump connections and orientation suit your installation
- Check that an A-rated circulator is the correct specification for your system
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS Circulation Pumps | — | — | — |
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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