Baxi
Baxi 5137529 Air Pressure Switch
Baxi 5137529 fan pressure switch for Baxi domestic heating appliances, monitoring fan airflow to allow the ignition sequence to proceed.
At a glance
- Part type: Fan pressure switch
- Also known as BAXI5137529
£58.80
£49.00 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 5137529 is a fan pressure switch used in Baxi domestic heating appliances. It senses the pressure change created by the fan and signals the appliance control board that airflow has been established, allowing the ignition sequence to continue. It is supplied as a spare part under part number 5137529.
Signs this part needs replacing
- The appliance locks out during or shortly after the ignition sequence
- The fan runs but the boiler does not fire
- Repeated lockouts that clear on reset and then return
- Fault codes relating to fan or air pressure
- Intermittent operation that changes with fan or flue behaviour
Before you order
- Check the appliance GC number and serial number against the compatibility information before ordering
- Compare the part number on the existing switch with 5137529 to confirm a match
- Inspect the sensing tube and its connections for blockage, splits or loose fit while the switch is being replaced
Mechanical
| Part type | Pressure Switches |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | BAXI5137529 |
|---|---|
| GC number | 393-947 |
| Commodity code | 8536 50 80 90 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | 5039177730743, BAXI5137529, BAXI5137529, BAXI5137529, 254889043201, 43375412 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI COMBI 105E | 47-075-08 | 47-075-08 | — | — |
| BAXI COMBI 80 ECO | 47-075-05 | 47-075-05 | — | — |
| BAXI COMBI 80E | 47-075-06 | 47-075-06 | — | — |
| BAXI COMBI INSTANT 105E | 47-075-09 | 47-075-09 | — | — |
| BAXI COMBI INSTANT 80E | 47-075-13 | 47-075-13 | — | — |
| BAXI MAXFLOW COMBI WM | 47-075-03 | 47-075-03 | — | — |
| BAXI SYSTEM 35/60 | 41-075-18 | 41-075-18 | — | — |
| BAXI SYSTEM 35/80 IE | — | — | — | |
| BAXI SYSTEM 60/100 | 41-075-19 | 41-075-19 | — | — |
| BAXI SYSTEM 60/100 IE | — | — | — |
Showing 10 of 17 compatible appliances.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
BAXI appliance manual — COMBI 105E (GC 47-075-08), COMBI 80E (GC 47-075-06)
manualmanualBAXI appliance manual — COMBI 80 ECO (GC 47-075-05)
manualmanualBAXI appliance manual — COMBI INSTANT 105E (GC 47-075-09), COMBI INSTANT 80E (GC 47-075-13)
manualmanualBAXI appliance manual — MAXFLOW COMBI WM (GC 47-075-03)
manualmanualBAXI appliance manual — SYSTEM 35/60 (GC 41-075-18), SYSTEM 60/100 (GC 41-075-19)
manualmanualPOTTERTON appliance manual — PERFORMA 24 (GC 47-393-06)
manualmanualPOTTERTON appliance manual — PERFORMA 28 (GC 47-393-07)
manualmanualPOTTERTON appliance manual — PERFORMA 28I (GC 47-393-08)
manualmanualPOTTERTON appliance manual — PERFORMA SYSTEM 12E (GC 41-590-88), PERFORMA SYSTEM 18E (GC 41-590-89), PERFORMA SYSTEM 24E (GC 41-590-90), PERFORMA SYSTEM 28E (GC 41-590-91)
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