Alpha
Alpha Pocket Flange 1.021354
Alpha pocket flange, part number 1.021354, for use with listed Alpha gas boiler models.
At a glance
- Also known as POCKET-FLANGE, 1250302
Showing prices
£21.18
£17.65 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 Pocket Flange is a component manufactured by Alpha for use in the listed Alpha gas boiler appliances. It forms part of the boiler assembly and is identified by Alpha part number 1.021354.
Signs this part needs replacing
- Visible corrosion, pitting or staining at the flange face
- Weeping or dampness around the flange joint
- Flange face distortion or damage preventing a clean seating
- Loose or degraded fastening at the flange
Before you order
- Confirm the boiler model matches one of the listed appliances
- Check the existing component against Alpha part number 1.021354
- Verify the appliance's GC number before ordering
Compliance
| Alternative numbers | POCKET-FLANGE, 1021354, 1250302 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD13R | 41-532-05 | 41-532-05 | — | — |
| ALPHA CD13R (LPG) | 41-532-11 | 41-532-11 | — | — |
| ALPHA CD18R | 41-532-03 | 41-532-03 | — | — |
| ALPHA CD18R (LPG) | 41-532-09 | 41-532-09 | — | — |
| ALPHA CD24R | 41-532-04 | 41-532-04 | — | — |
| ALPHA CD24R (LPG) | 41-532-10 | 41-532-10 | — | — |
| ALPHA HE CB33 | 47-532-26 | 47-532-26 | — | — |
| ALPHA HE CB33 (LPG) | 47-532-44 | 47-532-44 | — | — |
| ALPHA HE25 | 47-532-41 | 47-532-41 | — | — |
| ALPHA HE25 (LPG) | 47-532-42 | 47-532-42 | — | — |
Showing 10 of 12 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 — CD13R (GC 41-532-05), CD13R (LPG) (GC 41-532-11), CD18R (GC 41-532-03), CD18R (LPG) (GC 41-532-09), CD24R (GC 41-532-04), CD24R (LPG) (GC 41-532-10)
manualmanualALPHA appliance manual — HE CB33 (GC 47-532-26), HE CB33 (LPG) (GC 47-532-44)
manualmanualALPHA appliance manual — HE25 (GC 47-532-41), HE25 (LPG) (GC 47-532-42), HE33 (GC 47-532-43), HE33 (LPG) (GC 47-532-44)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.