
Alpha
Alpha Pressure Switch Cap 1.024863
Pressure switch cap for Alpha ECO 2 and InTEC 2 gas boilers, part number 1.024863.
At a glance
- Part type: pressure switch cap
- Also known as EXPANSION-RELIEF-INDICATORPLUG, 1258755
£4.30
£3.58 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 pressure switch cap is a component of the air pressure switch assembly used on Alpha gas boilers. It is manufactured by Alpha and listed under part number 1.024863. The cap forms part of the pressure sensing arrangement that the boiler uses to confirm fan and flue operation before allowing ignition.
Signs this part needs replacing
- Boiler fails to fire or locks out intermittently
- Pressure switch readings unstable or inconsistent
- Visible cracking, perishing or distortion of the cap
- Dirt, debris or moisture contamination around the cap and switch body
- Fault code or diagnostic indication pointing to the air pressure switch circuit
Before you order
- Confirm the boiler model and GC number against the fitment list above
- Check the existing cap and switch assembly for damage or contamination before replacing
- Verify the part number 1.024863 matches the marking on the component being removed
- Isolate the appliance and follow the manufacturer's instructions when working on the pressure switch circuit
Compliance
| Alternative numbers | EXPANSION-RELIEF-INDICATORPLUG, 1258755 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA ECO 2 | — | — | — | |
| ALPHA ALPHA ECO 2 BOILER | 47-532-60 | 47-532-60 | — | — |
| ALPHA ALPHA ECO 2 PLUS | — | — | — | |
| ALPHA ALPHA ECO 2 PLUS BOILER | 47-532-63 | 47-532-63 | — | — |
| ALPHA ALPHA InTEC 2 20SE | — | — | — | |
| ALPHA ALPHA InTEC 2 25X | — | — | — | |
| ALPHA ALPHA InTEC 2 25XE | — | — | — | |
| ALPHA ALPHA InTEC 2 26CE | — | — | — | |
| ALPHA ALPHA InTEC 2 28X | — | — | — | |
| ALPHA ALPHA InTEC 2 28XE | — | — | — |
Showing 10 of 22 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.
ALPHA appliance manual — ALPHA ECO 2 BOILER (GC 47-532-60)
manualmanualALPHA appliance manual — ALPHA ECO 2 PLUS BOILER (GC 47-532-63)
manualmanualALPHA appliance manual — InTEC 2 20SE (GC 41-532-28), InTEC 2 30SE (GC 41-532-29)
manualmanualALPHA appliance manual — InTEC 2 25X (GC 47-532-61), InTEC 2 28X (GC 47-532-62)
manualmanualALPHA appliance manual — InTEC 2 25XE, InTEC 2 28XE
manualmanualALPHA appliance manual — InTEC 2 26CE (GC 47-532-66), InTEC 2 30CE (GC 47-532-67), InTEC 2 35CE (GC 47-532-68)
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