
Ariston
Ariston Return Group 999673
Return group for Ariston Microgenus 23 and 27 MFFI gas boilers, covering natural gas and LPG editions.
At a glance
- Appliance family: Microgenus 23 MFFI and 27 MFFI
- Also known as 1577756
£321.30
£267.75 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 Ariston 999673 return group is a hydraulic assembly for Ariston Microgenus MFFI gas boilers. It forms part of the boiler's return water circuit and is supplied as a complete group. It is listed for both natural gas and LPG versions of the appliance.
Signs this part needs replacing
- Water weeping or dripping from the return group or its connections
- Repeated loss of primary circuit pressure, requiring frequent topping up
- Corrosion, scale or debris build-up inside the group
- Restricted flow through the return side of the boiler
Before you order
- Confirm your appliance is an Ariston Microgenus 23 MFFI or 27 MFFI
- Check the edition number and GC number against the list above
- For models listed from serial number 2320021400002, confirm your serial number falls at or after that point
- Confirm whether your boiler is natural gas or LPG
Compliance
| Barcode / EAN | 5411692350253 |
|---|---|
| Alternative numbers | 1577756 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON MICROGENUS 23 MFFI - FROM SERIAL No 2320021400002 | — | — | — | |
| ARISTON ARISTON MICROGENUS 27 MFFI - FROM SERIAL No 2320021400002 | — | — | — | |
| ARISTON MICROGENUS 23 MFFI (CMP2) LPG EDITION 4 (SEPT 2002) | — | — | — | |
| ARISTON MICROGENUS 23 MFFI (CMP2) NG EDITION 4 (SEPT 2002) | — | — | — | |
| ARISTON MICROGENUS 23 MFFI LPG EDITION 1 (DEC 1999) | 47-116-14 | 47-116-14 | — | — |
| ARISTON MICROGENUS 23 MFFI LPG EDITION 2 (APR 2000) | 47-116-14 | 47-116-14 | — | — |
| ARISTON MICROGENUS 23 MFFI LPG EDITION 3 (DEC 2000) | 47-116-14 | 47-116-14 | — | — |
| ARISTON MICROGENUS 23 MFFI LPG EDITION 5 (MAR 2004) | 47-116-14 | 47-116-14 | — | — |
| ARISTON MICROGENUS 23 MFFI NG EDITION 1 (DEC 1999) | 47-116-14 | 47-116-14 | — | — |
| ARISTON MICROGENUS 23 MFFI NG EDITION 2 (APR 2000) | 47-116-14 | 47-116-14 | — | — |
Showing 10 of 22 compatible appliances.
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 technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
