How do I know if this pressure sensor is the one for my boiler?

Verify the reference 122085040 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Roca (Baxi Roca, original OEM) part.

The pressure sensor measures the water pressure of the circuit for the electronics.

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 connector and the gasket.

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 Pressure sensors

Flow Sensor Baxi Roca RS 20 20 Ref. 122085040

Name: Flow Sensor Baxi Roca RS 20 20 Ref. 122085040
Brand: Baxi Roca
SKU: CFRRS2020
Price: 10 EUR
Availability: InStock

10 €VAT includedIn stock · 3 units

Pressure sensor: refurbished spare part that measures water pressure for the electronics. Useful if there is a pressure fault even though the pressure gauge reads correctly. Compatible with RS 20/20, RS 20/20 F, R 20/20 F (ref. 122085040). 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: 122085040
Brand: Baxi Roca
Type of part: Pressure sensors
Available units: 3 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 122085040) equips these models. Verified compatibility; check the reference before purchasing.

Baxi Roca RS 20/20

RS 20/20
RS 20/20 F

Baxi Roca R 20/20

R 20/20 F
R 20/20 FF

How do I know if this pressure sensor is the one for my boiler?: Verify the reference 122085040 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Roca (Baxi Roca, original OEM) part.
What is it used for?: The pressure sensor measures the water pressure of the circuit for the electronics.
Pressure fault even though the pressure gauge reads correctly?: The sensor is not transmitting the correct pressure to the PCB.
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 connector and the gasket.
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.

Flow Sensor Baxi Roca RS 20 20 Ref. 122085040

Key Data

Baxi Roca RS 20/20

Baxi Roca R 20/20

Spare Parts Related Boiler RS 20 20