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Filling Loop Pipe

Part number (MPN)
990737

OEM Replacement Part & Compatibility Table

Brand
Guide price (£)
Not available: check the current price with the seller
Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

  • Ariston ACO 27 Mffi Met
  • Ariston ACO 27 Mffi Met Edition 2
  • Ariston ACO 27 RFFI System
  • Ariston ACO 32 Mffi Met
  • Ariston ACO 32 Mffi Met Edition 2
  • Ariston ACO 32 RFFI System
  • Ariston ACO 35 Hp Mffi
  • Ariston ACO Plus 35
  • Ariston Ecocombi 27 MFFI
  • GENUS HE 35 PLUS COMBI NG
  • Ariston Micro Genus 23 Mffi
  • Ariston Micro Genus 27 Mffi
  • Ariston Microsystem 10 RFFI
  • Ariston Microsystem 15 RFFI
  • Ariston Microsystem 21 RFFI
  • Ariston Microsystem 28 RFFI
  • ECOCOMBI 27 MFFI COMBI NG
  • ECOSYSTEM 27 RFFI from serial
  • MICROGENUS 32 MFFI HE from ser
  • MICROGENUS HE 24 MFFI COMBI NG
  • MICROGENUS HE 28 MFFI COMBI NG
  • MICROGENUS II 24 MFFI COMBI NG
  • MICROGENUS II 28 MFFI COMBI NG
  • MICROGENUS II 31 MFFI COMBI NG

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 990737 fit?

The sources we checked list 990737 (Filling Loop Pipe, Ariston) for: Ariston ACO 27 Mffi Met, Ariston ACO 27 Mffi Met Edition 2, Ariston ACO 27 RFFI System, Ariston ACO 32 Mffi Met, Ariston ACO 32 Mffi Met Edition 2, Ariston ACO 32 RFFI System, Ariston ACO 35 Hp Mffi, Ariston ACO Plus 35, Ariston Ecocombi 27 MFFI, GENUS HE 35 PLUS COMBI NG, Ariston Micro Genus 23 Mffi, Ariston Micro Genus 27 Mffi, Ariston Microsystem 10 RFFI, Ariston Microsystem 15 RFFI, Ariston Microsystem 21 RFFI, Ariston Microsystem 28 RFFI, ECOCOMBI 27 MFFI COMBI NG, ECOSYSTEM 27 RFFI from serial, MICROGENUS 32 MFFI HE from ser, MICROGENUS HE 24 MFFI COMBI NG, MICROGENUS HE 28 MFFI COMBI NG, MICROGENUS II 24 MFFI COMBI NG, MICROGENUS II 28 MFFI COMBI NG, MICROGENUS II 31 MFFI COMBI NG. Always check the model and serial number on the data plate before ordering.

Does 990737 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 990737. Ask a Ariston stockist to confirm.

What should I check before fitting 990737?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Related parts

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.