Ignition Transformer Baxi Roca R / RS 20/20 (ref. 122155360)
Transformer for Baxi Roca RS20/20F boiler and compatible models. According to the label, it is model ZAG 2V (Best Nr. 07000065), powered at 220-240 V / 50-60 Hz, with a power consumption of 3 VA and approved according to DIN DVGW 93.02f142. The manufacturer and the exact function of the transformer beyond its category are not specified.
Spare parts related to Baxi Roca R / NR (gas)
Baxi Roca boilers compatible with reference 122155360
Ignition transformer with reference 122155360. Six confirmed compatibilities with two independent sources: NR 15/20 and R 20/20. Verify the printed reference on your part before purchasing.
Compatibility confirmed
| Boiler model | Family | Verification |
|---|---|---|
| Baxi Roca NR 15/20 | Baxi Roca R / NR (gas) | Confirmed · 2 sources |
| Baxi Roca R 20/20 | Baxi Roca R / NR (gas) | Confirmed · 2 sources |
| Baxi Roca R 20/20 F | Baxi Roca R / NR (gas) | Confirmed · 2 sources |
| Baxi Roca RS 20/20 F | Baxi Roca RS / RSI | Confirmed · 2 sources |
| Baxi Roca RS 20/20 T | Baxi Roca RS / RSI | Confirmed · 2 sources |
| Baxi Roca RSI 20/20 | Baxi Roca RS / RSI | Confirmed · 2 sources |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if ref. 122155360 is the part for your boiler
What determines it is not the boiler model, but the reference printed on the part you already have installed.
- Locate the reference printed on the body of the ignition transformer you have installed: it should indicate 122155360.
- Check your boiler model on the nameplate and look for it in the list of compatible models on this page.
- Compare the connections and the body with the original part before installing.
- If you have any doubts, send us a photo of the screen printing via WhatsApp and we'll confirm it for you before you purchase.
Symptoms and faults resolved by ignition transformer 122155360
The ignition transformer generates the high voltage for the spark of the electrodes. These are the typical symptoms and what to do:
The boiler loses power in a specific electrical function, while the rest continues to operate normally.
Cause: This transformer powers a specific circuit of the boiler; if it fails, it cuts off power to that part only and not the others.
Before replacing it, locate in your model's diagram which component it is connected to: not all boiler transformers power the same thing.
The boiler operates intermittently: sometimes it starts up fine, and other times it stops halfway.
Cause: A transformer with a deteriorated winding provides unstable voltage instead of cutting off abruptly, which causes faults that come and go.
With a multimeter, measure the output voltage of the transformer during several startups and check if it varies significantly before replacing it.
You notice the transformer casing is hotter than usual, or a slight burning smell near it.
Cause: A transformer that starts to fail internally consumes more than it should and heats up more than usual.
Turn off the boiler, let it cool down, and visually check for any dark marks or smell of burnt plastic before deciding to replace it.
These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.
Data sheet for the Baxi Roca ignition transformer 122155360
- OEM reference
- 122155360
- Brand
- Baxi Roca
- Type of part
- Transformers
- Units in stock
- 5 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Data read on the part and in the manufacturer's documentation
What we have not been able to verify does not appear here.
- Model
- ZAG 2V
label - Best Nr. Code
- 07000065
label - Power (Pzu)
- 3 VA
label - Maximum temperature
- +85 °C
label - Voltage
- 220-240 V
label - Frequency
- 50-60 Hz
label - Standard
- DIN DVGW 93.02f142
label - Connections
- PE, N, L
label
- The code printed on the label (ZAG 2V, Best Nr. 07000065) does not match the current catalog reference (122155360). Check the physical code on your transformer before purchasing.
- The manufacturer of the transformer is not listed. 'Best Nr.' is a numbering from a German OEM supplier, not a manufacturer's name.
- The same label and model (ZAG 2V, Best Nr. 07000065) also appear on the SKU sheet TER1520, compatible with Baxi Roca boilers from the 15/20 series; according to the label reading, it could be the same physical part.