Ariston Microgenus 27 MFFI Magnetic Flow Switch Ref. 65100519
RefurbishedAristonFlow Detectors

Ariston Microgenus 27 MFFI Magnetic Flow Switch Ref. 65100519

20 €VAT includedIn stock · 1 unit

Flow meter: refurbished spare part that detects water flow to activate domestic hot water. Useful if no hot water comes out when the tap is opened despite having flow. Compatible with Microgenus 23 MFFI, Microgenus 27 MFFI, Genus 23 MFFI (ref. 65100519). Includes a one-year warranty and delivery within 2–4 working days in the EU.

1
Consult via WhatsApp
Delivery in 2–4 working days
1-year warranty
14-day return
Technical support

Key Data

Reference
65100519
Brand
Ariston
Type of part
Flow Detectors
Available units
1 unit in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 65100519) equips these models. Verified compatibility; check the reference before purchasing.

Microgenus

  • Microgenus 23 MFFI
  • Microgenus 27 MFFI

Genus

  • Genus 23 MFFI
  • Genus 27 MFFI
  • Genus 27 BFFI
  • Genus 27 RFFI
  • Genus 30 MFFI

EuroCombi

  • EuroCombi A23 MFFI
  • EuroCombi A27 MFFI

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

CodeWhat does it mean?Cause and diagnosis (this part)
A10Primary circuit flow switch (flow switch).Fault/blockage of the primary magnetic flow switch (ref. 65100519): the micro switch does not activate and the PCB does not detect flow in heating. Check the continuity of the micro switch and its operation when the pump starts; if it does not change state, clean or replace the assembly.
How do I know if this flow meter / flow detector is the one for my boiler?
Verify the reference 65100519 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?
The flow meter/flow detector detects the passage of water to activate the domestic hot water (DHW).
Does not provide hot water when the tap is opened even though there is flow?
The flow meter turbine does not detect water flow.
Which models is it suitable for?
Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations
Check the turbine and ensure it is not blocked by limescale.
What does refurbished mean and what coverage does it have?
Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

Spare Parts Related Boiler Microgenus 27 MFFI

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