Alpha
Alpha Gas Manifold 1.021520
Gas manifold for Alpha HE Cb33 and He33 boilers, part number 1.021520.
At a glance
- Also known as GAS-MANIFOLD-HE-CB33, 1250307
- Ensure installation is carried out by a Gas Safe registered engineer.
Showing prices
£82.93
£69.11 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 Alpha gas manifold (part number 1.021520) is a gas-carrying component for Alpha HE Cb33 and He33 boilers. It forms part of the boiler's gas supply path.
Signs this part needs replacing
- Gas smell or leak around the manifold
- Boiler fails to ignite or fires intermittently
- Visible corrosion or damage to the manifold body
- Boiler lockout or error code related to gas supply
- Unstable flame or poor combustion
Before you order
- Confirm your boiler model is Alpha HE Cb33 or He33.
- Check the part number on your existing manifold matches 1.021520.
- Ensure installation is carried out by a Gas Safe registered engineer.
- Verify the GC number on your boiler matches 47-532-26 or 47-532-43.
Compliance
| Alternative numbers | GAS-MANIFOLD-HE-CB33, 1021520, 1250307 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA HE CB33 | 47-532-26 | 47-532-26 | — | — |
| ALPHA HE33 | 47-532-43 | 47-532-43 | — | — |
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.
No technical questions yet for this part.
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