Ariston
Ariston Main Heat Exchanger 998620
Main heat exchanger for Ariston Microgenus 23 MFFI and Microsystem 21 RFFI gas boilers, part number 998620.
At a glance
- Also known as 1577188
£243.36
£202.80 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 998620 is a main heat exchanger for Ariston gas boilers in the Microgenus and Microsystem ranges. It transfers heat from the combustion gases to the heating and domestic hot water circuit. This component is listed under gas boiler spares.
Signs this part needs replacing
- Water leaking from the heat exchanger body or its connections
- Kettling or banging noises from the boiler during operation
- Reduced heating or hot water output despite correct system pressure
- Boiler repeatedly locking out or overheating
- Visible corrosion, scale build-up or soot on the heat exchanger surfaces
Before you order
- Confirm your boiler model and serial number against the Fits list, as some models are covered only within specific serial number ranges.
- Check that part number 998620 matches the existing component or the manufacturer's parts list for your appliance.
- Verify the GC number where shown (47-116-14 or 41-116-06) matches your boiler's data badge.
- If unsure, consult the manufacturer's technical documentation or a qualified heating engineer.
Compliance
| Barcode / EAN | 5411692285647 |
|---|---|
| Alternative numbers | 1577188 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON MICROGENUS 23 MFFI - FROM SERIAL No 2320005600001 TO SERIAL No 2320021400002 | — | — | — | |
| ARISTON ARISTON MICROGENUS 23 MFFI - FROM SERIAL No 2320021400002 | — | — | — | |
| ARISTON ARISTON MICROGENUS 23 MMFI - LPG - FROM SERIAL No 2319932300018 TO SERIAL No 2320005600001 | — | — | — | |
| ARISTON ARISTON MICROGENUS 23 MMFI - NG - FROM SERIAL No 2319932300020 TO SERIAL No 2320005600001 | — | — | — | |
| ARISTON ARISTON MICROSYSTEM 21 RFFI - FROM SERIAL No 2320021100001 TO SERIAL No 2320030800001 | — | — | — | |
| 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 | — | — |
Showing 10 of 21 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.
ARISTON appliance manual — MICROGENUS 23 MFFI LPG EDITION 1 (DEC 1999) (GC 47-116-14), MICROGENUS 23 MFFI LPG EDITION 2 (APR 2000) (GC 47-116-14), MICROGENUS 23 MFFI LPG EDITION 3 (DEC 2000) (GC 47-116-14), MICROGENUS 23 MFFI LPG EDITION 5 (MAR 2004) (GC 47-116-14), MICROGENUS 23 MFFI NG EDITION 1 (DEC 1999) (GC 47-116-14), MICROGENUS 23 MFFI NG EDITION 2 (APR 2000) (GC 47-116-14), MICROGENUS 23 MFFI NG EDITION 3 (DEC 2000) (GC 47-116-14), MICROGENUS 23 MFFI NG EDITION 5 (MAR 2004) (GC 47-116-14)
manualmanualARISTON appliance manual — MICROSYSTEM 21 RFFI LPG EDITION 1 (AUG 2000) (GC 41-116-06), MICROSYSTEM 21 RFFI LPG EDITION 2 (JAN 2004) (GC 41-116-06), MICROSYSTEM 21 RFFI LPG EDITION 3 (SEPT 2004) (GC 41-116-06), MICROSYSTEM 21 RFFI NG EDITION 1 (AUG 2000) (GC 41-116-06), MICROSYSTEM 21 RFFI NG EDITION 2 (JAN 2004) (GC 41-116-06), MICROSYSTEM 21 RFFI NG EDITION 3 (SEPT 2004) (GC 41-116-06)
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