Ariston
Ariston DHW Heat Exchanger 998483
DHW (secondary) heat exchanger for Ariston gas boilers, transferring heat from the primary circuit to the domestic hot water supply.
At a glance
- Part type: DHW heat exchanger (secondary heat exchanger)
- Also known as 1577102, N7547-1
Showing prices
£82.31
£68.59 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Ariston 998483 is a DHW (domestic hot water) heat exchanger, also referred to as a secondary heat exchanger, for Ariston gas boilers. It transfers heat from the boiler's primary circuit to the domestic hot water supply. This component is used across a range of Ariston Genus, Microgenus, Ecogenus and Eurocombi models.
Signs this part needs replacing
- Domestic hot water runs lukewarm or cold even when the boiler is firing.
- Hot water temperature fluctuates or is inconsistent.
- Visible water leaks or drips from the heat exchanger.
- Reduced hot water flow rate due to internal scale or blockage.
- Boiler fails to deliver hot water on demand or locks out.
Before you order
- Confirm your boiler model and serial number against the Fits list.
- Check the existing part number is 998483.
- Inspect whether new seals or gaskets are required for your boiler.
- Ensure the system is isolated and drained before replacement.
Compliance
| Barcode / EAN | 5411692277352 |
|---|---|
| Alternative numbers | 1577102, N7547-1 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON GENUS 30 MFFI UK - FROM SERIAL No 2320004900093 | — | — | — | |
| ARISTON ARISTON GENUS 30 MFFI UK FROM SERIAL No 2320015700001 TO SERIAL No 2320004900093 | — | — | — | |
| ARISTON ARISTON MICROGENUS 24 MFFI HE - FROM SERIAL No 2320429900001 | — | — | — | |
| ARISTON ARISTON MICROGENUS 28 MFFI HE - FROM SERIAL No 2320429900001 | — | — | — | |
| ARISTON ARISTON MICROGENUS 32 MFFI HE - FROM SERIAL No 2320429900001 | — | — | — | |
| ARISTON ARISTON MICROGENUS II 24 MFFI UK - FROM SERIAL No 2320402900001 | — | — | — | |
| ARISTON ARISTON MICROGENUS II 28 MFFI UK - FROM SERIAL No 2320402900001 | — | — | — | |
| ARISTON ARISTON MICROGENUS II 31 MFFI UK - FROM SERIAL No 2320402900001 | — | — | — | |
| ARISTON ECOGENUS 24 MFFI EDITION 1 (DEC 1999) | 47-116-17 | 47-116-17 | — | — |
| ARISTON ECOGENUS 24 MFFI EDITION 2 LPG (JAN 2001) | 47-116-17 | 47-116-17 | — | — |
Showing 10 of 47 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
ARISTON appliance manual — ECOGENUS 24 MFFI EDITION 1 (DEC 1999) (GC 47-116-17), ECOGENUS 24 MFFI EDITION 2 LPG (JAN 2001) (GC 47-116-17), ECOGENUS 24 MFFI EDITION 2 NG (JAN 2001) (GC 47-116-17), ECOGENUS 24 MFFI EDITION 3 LPG (OCT 2001) (GC 47-116-17), ECOGENUS 24 MFFI EDITION 3 NG (OCT 2001) (GC 47-116-17), ECOGENUS 24 MFFI EDITION 4 LPG (JULY 2002) (GC 47-116-17), ECOGENUS 24 MFFI EDITION 4 NG (JULY 2002) (GC 47-116-17)
manualmanualARISTON appliance manual — EUROCOMBI A27 MFFI LPG UK EDITION 1 (OCT 2007) (GC 47-116-12), EUROCOMBI A27 MFFI NG UK EDITION 1 (OCT 2007) (GC 47-116-12)
manualmanualARISTON appliance manual — GENUS 27 MFFI UK EDITION 1 LPG (JUN 1998) (GC 47-116-09), GENUS 27 MFFI UK EDITION 1 NG (JUN 1998) (GC 47-116-09), GENUS 27 MFFI UK EDITION 2 LPG (JAN 1999) (GC 47-116-09), GENUS 27 MFFI UK EDITION 2 NG (JAN 1999) (GC 47-116-09), GENUS 27 MFFI UK EDITION 3 LPG (SEPT 2000) (GC 47-116-09), GENUS 27 MFFI UK EDITION 3 NG (SEPT 2000) (GC 47-116-09), GENUS 30 MFFI UK LPG EDITION 2 (JUL 2000) (GC 47-116-13), GENUS 30 MFFI UK LPG EDITION 3 (OCT 2000) (GC 47-116-13), GENUS 30 MFFI UK NG EDITION 2 (JUL 2000) (GC 47-116-13), GENUS 30 MFFI UK NG EDITION 3 (OCT 2000) (GC 47-116-13)
manualmanualARISTON appliance manual — MICROGENUS 24 MFFI HE UK NG (GC 47-116-37), MICROGENUS 28 MFFI HE UK LPG (GC 47-116-38), MICROGENUS 32 MFFI HE UK NG (GC 47-116-39)
manualmanualARISTON appliance manual — MICROGENUS 27 MFFI LPG EDITION 1 (DEC 1999) (GC 47-116-15), MICROGENUS 27 MFFI LPG EDITION 2 (APR 2000) (GC 47-116-15), MICROGENUS 27 MFFI LPG EDITION 3 (DEC 2000) (GC 47-116-15), MICROGENUS 27 MFFI LPG EDITION 5 (MAR 2004) (GC 47-116-15), MICROGENUS 27 MFFI NG EDITION 1 (DEC 1999) (GC 47-116-15), MICROGENUS 27 MFFI NG EDITION 2 (APR 2000) (GC 47-116-15), MICROGENUS 27 MFFI NG EDITION 3 (DEC 2000) (GC 47-116-15), MICROGENUS 27 MFFI NG EDITION 5 (MAR 2004) (GC 47-116-15)
manualmanualARISTON appliance manual — MICROGENUS II 24 MFFI UK LPG, MICROGENUS II 24 MFFI UK MET (GC 47-116-25), MICROGENUS II 28 MFFI UK LPG, MICROGENUS II 28 MFFI UK MET (GC 47-116-26), MICROGENUS II 31 MFFI UK LPG (GC 47-116-27), MICROGENUS II 31 MFFI UK MET (GC 47-116-27)
manualNo 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.