Ariston
Ariston Return Group 990708
Ariston 990708 return group, a hydraulic component fitted at the rear of the pump on compatible Ecosystem 27 RFFI and Microsystem RFFI boilers.
At a glance
- Also known as 1576068
Showing prices
£32.24
£26.87 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 990708 return group is a hydraulic component fitted at the rear of the pump on compatible Ariston boilers. It forms part of the boiler return circuit and is used across the Ecosystem 27 RFFI and Microsystem RFFI ranges. The part is manufactured by Ariston.
Signs this part needs replacing
- Water weeping or dripping from the return group at the rear of the pump
- Visible corrosion, scale or cracking on the return group body
- Unexplained loss of system pressure
- Noise or vibration from the pump and return area during operation
- Leaks at the joint between the return group and the pump
Before you order
- Confirm the boiler model and, where applicable, the serial number — the Ecosystem 27 RFFI fitment applies from serial number 2320224700001.
- Check the GC number on the appliance data badge against the list above.
- Verify the existing part number 990708 or the return group position at the rear of the pump.
- Ensure the system is drained and safe to work on before fitting.
Compliance
| Barcode / EAN | 5411692442750 |
|---|---|
| Alternative numbers | 1576068 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ARISTON ARISTON ECOSYSTEM 27 RFFI - FROM SERIAL No 2320224700001 | — | — | — | |
| ARISTON ECOSYSTEM 27 RFFI EDITION 1 LPG (OCT 2002) | 41-116-08 | 41-116-08 | — | — |
| ARISTON ECOSYSTEM 27 RFFI EDITION 1 NG (OCT 2002) | 41-116-08 | 41-116-08 | — | — |
| ARISTON ECOSYSTEM 27 RFFI EDITION 2 LPG (SEPT 2004) | 41-116-08 | 41-116-08 | — | — |
| ARISTON ECOSYSTEM 27 RFFI EDITION 2 NG (SEPT 2004) | 41-116-08 | 41-116-08 | — | — |
| ARISTON MICROSYSTEM 10 RFFI LPG EDITION 3 (FEB 2004) | 41-116-04 | 41-116-04 | — | — |
| ARISTON MICROSYSTEM 10 RFFI LPG EDITION 4 (SEPT 2004) | 41-116-04 | 41-116-04 | — | — |
| ARISTON MICROSYSTEM 10 RFFI NG EDITION 3 (FEB 2004) | 41-116-04 | 41-116-04 | — | — |
| ARISTON MICROSYSTEM 10 RFFI NG EDITION 4 (SEPT 2004) | 41-116-04 | 41-116-04 | — | — |
| ARISTON MICROSYSTEM 15 RFFI LPG EDITION 3 (FEB 2004) | 41-116-05 | 41-116-05 | — | — |
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 — 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 — MICROSYSTEM 10 RFFI LPG EDITION 3 (FEB 2004) (GC 41-116-04), MICROSYSTEM 10 RFFI LPG EDITION 4 (SEPT 2004) (GC 41-116-04), MICROSYSTEM 10 RFFI NG EDITION 3 (FEB 2004) (GC 41-116-04), MICROSYSTEM 10 RFFI NG EDITION 4 (SEPT 2004) (GC 41-116-04)
manualmanualARISTON appliance manual — MICROSYSTEM 15 RFFI LPG EDITION 3 (FEB 2004) (GC 41-116-05), MICROSYSTEM 15 RFFI LPG EDITION 4 (SEPT 2004) (GC 41-116-05), MICROSYSTEM 15 RFFI NG EDITION 3 (FEB 2004) (GC 41-116-05), MICROSYSTEM 15 RFFI NG EDITION 4 (SEPT 2004) (GC 41-116-05)
manualmanualARISTON appliance manual — 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 2 (JAN 2004) (GC 41-116-06), MICROSYSTEM 21 RFFI NG EDITION 3 (SEPT 2004) (GC 41-116-06), MICROSYSTEM 28 RFFI LPG EDITION 2 (JAN 2004) (GC 41-116-07), MICROSYSTEM 28 RFFI LPG EDITION 3 (SEPT 2004) (GC 41-116-07), MICROSYSTEM 28 RFFI NG EDITION 2 (JAN 2004) (GC 41-116-07), MICROSYSTEM 28 RFFI NG EDITION 3 (SEPT 2004) (GC 41-116-07)
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