Ariston
Ariston Gas Nipple 998666
Ariston 998666 gas nipple with 3/4 inch male/male threads, used in the gas train of compatible Ariston gas boilers.
At a glance
- Also known as 1577246
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
Showing prices
£8.62
£7.18 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 998666 is a gas nipple with 3/4 inch male threads at both ends, used within the gas train of Ariston gas boilers. It forms a threaded connection between gas-carrying components inside the appliance. It is listed by Ariston under gas boiler spares.
Signs this part needs replacing
- Visible corrosion, pitting or surface damage on the threads
- A gas smell or a leak detected at the joint with leak detection fluid
- Cross-threaded or flattened threads that will not pull up gas-tight
- Staining or weeping around the nipple connection
- The nipple is seized or the hex has rounded off during removal
Before you order
- Confirm part number 998666 against your appliance's parts list
- Check that a 3/4 inch male/male threaded nipple is the correct fitting for the joint
- Identify your boiler model and edition from the Fits list above
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
Compliance
| Barcode / EAN | 5411692286248 |
|---|---|
| Alternative numbers | 1577246 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ECOCOMBI 27 MFFI LPG EDITION 1 (OCT 2002) | 47-116-23 | 47-116-23 | — | — |
| ARISTON ECOCOMBI 27 MFFI LPG EDITION 2 (SEPT 2004) | 47-116-23 | 47-116-23 | — | — |
| ARISTON ECOCOMBI 27 MFFI NG EDITION 1 (OCT 2002) | 47-116-23 | 47-116-23 | — | — |
| ARISTON ECOCOMBI 27 MFFI NG EDITION 2 (SEPT 2004) | 47-116-23 | 47-116-23 | — | — |
| 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 | — | — |
| ARISTON ECOGENUS 24 MFFI EDITION 2 NG (JAN 2001) | 47-116-17 | 47-116-17 | — | — |
| ARISTON ECOGENUS 24 MFFI EDITION 3 LPG (OCT 2001) | 47-116-17 | 47-116-17 | — | — |
| ARISTON ECOGENUS 24 MFFI EDITION 3 NG (OCT 2001) | 47-116-17 | 47-116-17 | — | — |
| ARISTON ECOGENUS 24 MFFI EDITION 4 LPG (JULY 2002) | 47-116-17 | 47-116-17 | — | — |
Showing 10 of 21 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 — ECOCOMBI 27 MFFI LPG EDITION 1 (OCT 2002) (GC 47-116-23), ECOCOMBI 27 MFFI LPG EDITION 2 (SEPT 2004) (GC 47-116-23), ECOCOMBI 27 MFFI NG EDITION 1 (OCT 2002) (GC 47-116-23), ECOCOMBI 27 MFFI NG EDITION 2 (SEPT 2004) (GC 47-116-23), ECOSYSTEM 27 RFFI EDITION 1 LPG (OCT 2002) (GC 41-116-08), ECOSYSTEM 27 RFFI EDITION 1 NG (OCT 2002) (GC 41-116-08), ECOSYSTEM 27 RFFI EDITION 2 LPG (SEPT 2004) (GC 41-116-08), ECOSYSTEM 27 RFFI EDITION 2 NG (SEPT 2004) (GC 41-116-08)
manualmanualARISTON 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), ECOGENUS 24 RFFI SYS EDITION 1 LPG (DEC 1999) (GC 41-116-03), ECOGENUS 24 RFFI SYS EDITION 1 NG (DEC 1999) (GC 41-116-03), ECOGENUS 24 RFFI SYS EDITION 2 LPG (JAN 2001) (GC 41-116-03), ECOGENUS 24 RFFI SYS EDITION 2 NG (JAN 2001) (GC 41-116-03), ECOGENUS 24 RFFI SYS EDITION 3 LPG (AUG 2002) (GC 41-116-03), ECOGENUS 24 RFFI SYS EDITION 3 NG (AUG 2002) (GC 41-116-03)
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