Modulating Gas Valve Ariston Egis NOx 24 FF NG Ref. 65108428
RefurbishedAristonGas valves

Modulating Gas Valve Ariston Egis NOx 24 FF NG Ref. 65108428

45 €VAT includedIn stock · 1 unit

Gas valve: refurbished spare part that regulates and modulates the gas flow to the burner. Useful if there are ignition faults or the flame does not modulate. Compatible with Pigma Nox 24 FF, Pigma Nox 28 FF, Egis Nox 24 FF (ref. 65108428). 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
65108428
Brand
Ariston
Type of part
Gas valves
Available units
1 unit in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 65108428) equips these models. Verified compatibility; check the reference before purchasing.

Chaffoteaux Pigma NOx

  • Pigma NOx 24 FF
  • Pigma NOx 28 FF

Ariston Egis NOx

  • Egis NOx 24 FF
  • Egis NOx 28 FF

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)
E20EVG lockoutThe EVG (gas valve) does not open/close correctly or does not receive the control signal. Check voltage at the valve connectors, continuity of coil/wiring, and pressure at the burner during the ignition attempt.
E21EVG lockoutGas solenoid valve fault or its control (coil/wiring), preventing gas supply. Check power supply to the EVG, coil resistance, and that there is a pressure variation at the test point when ignition is commanded.
E22EVG lockoutMalfunction of the electronic gas valve or absence of control signal from the PCB. Check control signal to the EVG, continuity of the EVG harness, and mechanical operation of the valve (opens/closes) with a manometer at the burner connection.
E23EVG lockoutLockout due to fault in the gas solenoid valve or its wiring, preventing gas flow to the burner. Check power/ground in EVG, wiring continuity, and pressure response at the burner connection when ignition starts.
How do I know if this gas valve is the one for my boiler?
Verify the reference 65108428 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 gas valve regulates and modulates the gas flow to the burner.
Ignition faults, does not modulate, or smells of gas?
It could be the gas valve. IMPORTANT: gas handling ONLY by an authorised technician.
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
Installation and pressure adjustment by authorised technician; mandatory leak check.
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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