Alpha
Alpha air/gas intake seal kit 3.025324
Genuine Alpha air/gas intake seal kit for the Eco² Plus and InTec² boiler range, part number 3.025324.
At a glance
- Also known as 1258831
- This is gas-related work on some circuits and must be carried out by a Gas Safe registered engineer
Showing prices
£26.89
£22.41 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Alpha air/gas intake seal kit reseals the joints in the boiler's combustion air and gas intake circuit. It is a genuine Alpha part, number 3.025324.
Signs this part needs replacing
- Water, gas or flue-gas leakage from the joints the kit reseals
- Old seals found perished, cracked or flattened when the assembly is stripped down
- The boiler fails a tightness or leak test at the relevant joint
Before you order
- Confirm which assembly you are servicing before ordering, as seal kits are matched to a specific joint or circuit
- Isolate power and the relevant gas or water supply before starting work
- This is gas-related work on some circuits and must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | AIRGAS-INTAKE-SEAL-KIT, 1258831 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA ECO 2 | — | — | — | |
| ALPHA ALPHA ECO 2 BOILER | 47-532-60 | 47-532-60 | — | — |
| 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 | — | — | — | |
| ALPHA ALPHA InTEC 2 30CE | — | — | — | |
| ALPHA ALPHA InTEC 2 30SE | — | — | — |
Showing 10 of 20 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
ALPHA appliance manual — ALPHA ECO 2 BOILER (GC 47-532-60)
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)
manualNo technical questions yet for this part.
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