How do I know if this 3-way valve is for my boiler?

Verify the reference 122450340 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

The 3-way valve diverts the water between the heating circuit and the domestic hot water (DHW) circuit.

Does it provide hot water but not heat the radiators (or vice versa)?

Typical symptom that the valve or its motor is not switching; check the actuator motor and ensure the body is not seized.

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 if you need the motor, the body, or the complete assembly.

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.

RefurbishedBaxi Roca 3-way valves

3-Way Valve Baxi Roca Laura 20 A Ref. 122450340

Name: 3-Way Valve Baxi Roca Laura 20 A Ref. 122450340
Brand: Baxi Roca
SKU: MVRL20A
Price: 25 EUR
Availability: InStock

25 €VAT includedIn stock · 5 units

3-way valve: refurbished spare part that diverts water between heating and domestic hot water. Useful if it provides hot water but does not heat radiators, or vice versa. Compatible with Laura 20, Laura 20/20, Laura 20/20 F (ref. 122450340). Includes a one-year warranty and delivery within 2–4 working days in the EU.

Consult via WhatsApp

Not sure if it's your part? Send us a photo of the screen printing via WhatsApp and we'll confirm compatibility before you purchase.

Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: 122450340
Brand: Baxi Roca
Type of part: 3-way valves
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 122450340) equips these models. Verified compatibility; check the reference before purchasing.

Baxi Roca Laura

Laura 20
Laura 20/20
Laura 20/20 F

How do I know if this 3-way valve is for my boiler?: Verify the reference 122450340 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 3-way valve diverts the water between the heating circuit and the domestic hot water (DHW) circuit.
Does it provide hot water but not heat the radiators (or vice versa)?: Typical symptom that the valve or its motor is not switching; check the actuator motor and ensure the body is not seized.
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 if you need the motor, the body, or the complete assembly.
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.

3-Way Valve Baxi Roca Laura 20 A Ref. 122450340

Key Data

Baxi Roca Laura

Spare Parts Related Boiler Laura 20 A