
Baxi
Baxi Printed Circuit Board NG Key 720841701
Baxi 720841701 PCB, NG keyed variant, for Neta-Tec and Neta-Tec Plus Combi 28 GA and 128 ErP Combi boilers. Alternative number 1119944.
At a glance
- Part type: Printed circuit board (PCB)
- Also known as 1119944
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£62.40
£52.00 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Baxi 720841701 is a printed circuit board (PCB) supplied in the NG keyed variant for Baxi Neta-Tec and Neta-Tec Plus gas combi boilers. It is the main control board, handling ignition sequencing, gas valve and fan control, pump and heating circuit management, and the appliance's safety interlocks. The board is a direct replacement item for the listed Neta-Tec and 128 ErP Combi models.
Signs this part needs replacing
- The boiler locks out or fails to fire, with the fault returning after a reset.
- No heating or no hot water despite the appliance receiving a demand from the programmer or thermostat.
- Repeated lockouts, intermittent shutdowns or erratic fan and pump behaviour.
- Error or fault codes displayed on the boiler control panel that point to board or ignition faults.
- Visible damage to the board, such as scorching, burnt tracks, swollen capacitors or corrosion.
Before you order
- Check the GC number and, where relevant, the serial number of your appliance against the compatibility list before ordering.
- Confirm the alternative number 1119944 matches the board currently fitted to your appliance.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Printed Circuit Boards (PCB) |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 720841701 |
|---|---|
| GC number | H90-614 |
| Barcode / EAN | 720841701 |
| Commodity code | 8537 10 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 1119944 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI 128 ErP COMBI - SERIAL NUMBER ENDING AC | 47-077-26 | 47-077-26 | — | — |
| BAXI BAXI NETA-TEC COMBI 28 GA | — | — | — | |
| BAXI BAXI NETA-TEC PLUS COMBI 28 GA | — | — | — | |
| BAXI NETA-TEC COMBI 28 GA | 47-075-52 | 47-075-52 | — | — |
| BAXI NETA-TEC PLUS COMBI 28 GA | 47-075-65 | 47-075-65 | — | — |
Documents & drawings
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