Water Pressure Switch Beretta Mynute Green 28 C S I Ref. 20166541
RefurbishedBerettaPressure switches

Water Pressure Switch Beretta Mynute Green 28 C S I Ref. 20166541

15 €VAT includedIn stock · 1 unit

Pressure switch: refurbished spare part that controls air or water pressure to authorize operation. Useful if the boiler does not start or shows a draft error. Compatible with Mynute Green 25 CSI, Mynute Green CSI, Mynute Green RSI (ref. 20166541). 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
20166541
Brand
Beretta
Type of part
Pressure switches
Available units
1 unit in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 20166541) equips these models. Verified compatibility; check the reference before purchasing.

Mynute Green

  • Mynute Green 25 CSI
  • Mynute Green CSI
  • Mynute Green RSI

Mynute

  • Mynute N
  • Mynute S 24 CAI E
  • Mynute S 28 CSI
  • Mynute Sinthesi 25 CSI

Hello

  • Ciao N
  • Ciao 24 CSI
  • Ciao 28 CSI N
  • Ciao Green 25 CSI

Junior

  • Junior

Kompakta

  • Kompakta

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)
A04Water pressure switch alarmThe water pressure switch (20166541) does not close due to insufficient circuit pressure or a faulty/defective connection; the PCB detects absence of signal and locks in A04. Verify by increasing the pressure to ~1.0–1.5 bar and checking continuity and wiring of the pressure switch.
How do I know if this pressure switch is for my boiler?
Verify the reference 20166541 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 pressure switch controls the pressure/draught (of air in sealed systems) or water to authorize operation.
Is the boiler not starting or showing a draught fault?
If the fan spins but does not ignite, check the pressure tubes (loose/blocked), the diaphragm, and the fan.
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 tightness of the pressure pipes and the switching of the contact.
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.

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