Baxi
Baxi DHW Cartridge C/W O'Rings 7661822
Baxi DHW cartridge with O-rings, part number 7661822, for 228 and 428 combi boiler hot water control.
At a glance
- Also known as 1132190
£65.71
£54.76 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 DHW cartridge c/w O-rings is a Baxi hot water circuit component, supplied under manufacturer part number 7661822. It regulates the domestic hot water side of the combi boiler, controlling how the boiler responds to a hot water draw-off. The cartridge is supplied with its O-rings.
Signs this part needs replacing
- No hot water from the taps while the boiler still runs for heating
- Hot water temperature fluctuating or drifting from the set point
- Water weeping or dripping from around the cartridge area
- Stiff, gritty or unresponsive hot water temperature control
- Boiler failing to fire on a hot water demand
Before you order
- Check the appliance data plate and confirm the model and GC number match one of the listed combi boilers
- Confirm the cartridge part number 7661822 on the existing component or in the boiler documentation
- Inspect the O-rings and seating faces before refitting, as scale or debris can affect the seal
- Isolate the water supply and depressurise the appliance before removing the cartridge
Compliance
| Alternative numbers | 1132190 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 228 COMBI 2 | 47-077-49 | 47-077-49 | — | — |
| BAXI 228 ErP COMBI | 47-077-22 | 47-077-22 | — | — |
| BAXI 428 ErP COMBI | 47-077-24 | 47-077-24 | — | — |
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.
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