Description

Ariston Microgenus MFFI Return Group

The Ariston Microgenus return group improves heating system efficiency by managing water flow back to the boiler. This boiler return group fits Ariston Microgenus 23 and 27 models, with part numbers 998940 and 999673. It keeps your boiler running smoothly by ensuring optimal water circulation and heat transfer.

Compatible Boilers

To help you choose, this part fits the following models:

Ariston Microgenus 23 MFFI Series:

• Edition 1 (To Serial No 2320005600001) – GC No. 47-116-14

• Edition 2 (From Serial No 2320005600001 To 2320021400002) – GC No. 47-116-14 ED 2

Ariston Microgenus 27 MFFI Series:

• Edition 1 (To Serial No 2320005600001) – GC No. 47-116-15

• Edition 2 (From Serial No 2320005600001 To 2320021400002) – GC No. 47-116-15 ED 2

Why Choose This Product?

This refurbished return group restores your boiler’s water flow for reliable heat delivery. It undergoes strict testing to ensure durability and performance. Using this part helps you avoid costly new boiler purchases. It suits homeowners wanting quality repairs at a fair price. With this return group, your Ariston Microgenus boiler will operate efficiently for years to come.

Delivery and Return 

Order before 2 PM to receive same-day dispatch. Choose from standard or next-day delivery options. Returns accepted within 14 days if the part is unused and in original packaging.

For safety, always use a Gas Safe registered engineer to fit boiler parts correctly.