Ariston
Ariston DHW Actuator Kit 998941
Ariston DHW actuator kit 998941, a diverter valve insert kit for Microcombi and Microgenus gas boilers.
At a glance
- Also known as 1577422, N1923-B
£59.45
£49.54 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 DHW Actuator Kit, part number 998941, is a diverter valve insert kit for Ariston gas boilers. It is associated with the domestic hot water actuator function within the diverter valve assembly. It is intended for use with compatible Ariston Microcombi and Microgenus appliances.
Signs this part needs replacing
- Domestic hot water runs cold or does not reach the expected temperature.
- DHW temperature fluctuates or is inconsistent.
- The diverter valve does not switch correctly between heating and hot water modes.
- The heating circuit warms when a hot tap is opened.
- The actuator does not respond during a DHW demand.
Before you order
- Confirm the appliance model and serial number against the fitment list.
- Check the GC number where shown for your appliance.
- Verify the part number 998941 matches the existing component.
- Inspect the diverter valve assembly and actuator operation before ordering.
Compliance
| Barcode / EAN | 5411692305666 |
|---|---|
| Alternative numbers | 1577422, N1923-B |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON MICROCOMBI 23 MFFI - FROM SERIAL No 2320033400001 TO SERIAL No 2320101500001 | — | — | — | |
| ARISTON ARISTON MICROGENUS 23 MFFI - FROM SERIAL No 2320005600001 TO 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 MICROGENUS 27 MFFI - FROM SERIAL No 2320005600001 TO SERIAL No 2320021400002 | — | — | — | |
| ARISTON ARISTON MICROGENUS 27 MMFI - LPG - FROM SERIAL No 2319932400027 TO SERIAL No 2320005600001 | — | — | — | |
| ARISTON ARISTON MICROGENUS 27 MMFI - NG - FROM SERIAL No 2319932500011 TO SERIAL No 2320005600001 | — | — | — | |
| ARISTON MICROCOMBI 23 MFFI LPG EDITION 2 (DEC 2000) | 47-116-16 | 47-116-16 | — | — |
| ARISTON MICROCOMBI 23 MFFI NG EDITION 2 (DEC 2000) | 47-116-16 | 47-116-16 | — | — |
| ARISTON MICROGENUS 23 MFFI LPG EDITION 1 (DEC 1999) | 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 — MICROCOMBI 23 MFFI LPG EDITION 2 (DEC 2000) (GC 47-116-16), MICROCOMBI 23 MFFI NG EDITION 2 (DEC 2000) (GC 47-116-16)
manualmanualARISTON 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 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 5 (MAR 2004) (GC 47-116-14), 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 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 5 (MAR 2004) (GC 47-116-15)
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